Collection: Bearings - Single Row Ball

Bearings -> Single Row Ball
ID (d) O.D. (D) Width (B) Inner Ring Width (Bn) Flange Diameter (DF) Flange Width (BF) Indicative
Image
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Double shielded standard bearing
Part Number: 684A-ZZ-MC3 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Sep 13, 2026
Regular price $2.95 AUD
Regular price Sale price $2.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d) O.D. (D) Width (B) Inner Ring Width (Bn) Indicative
Image
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Double shielded standard bearing
Part Number: 684A-ZZ-MC3 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Sep 13, 2026
Regular price $2.95 AUD
Regular price Sale price $2.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 684A-2RS-MC3 (Each)
173 Available Now | Further orders can be expected around Sun, Sep 13, 2026
Regular price $5.32 AUD
Regular price Sale price $5.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 173 available can be backordered.
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 684A-2RS-MC3 (Each)
173 Available Now | Further orders can be expected around Sun, Sep 13, 2026
Regular price $5.32 AUD
Regular price Sale price $5.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

173 Available Now. Backorder if more than 173.
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.007
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged
Double shielded P6 precision stainless steel bearing
Part Number: S684A-ZZ-MC3-JP6 (Each)
4 Available Now | Further orders can be expected around Sun, Sep 13, 2026
Regular price $4.77 AUD
Regular price Sale price $4.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 4 available can be backordered.
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.007
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged
Double shielded P6 precision stainless steel bearing
Part Number: S684A-ZZ-MC3-JP6 (Each)
4 Available Now | Further orders can be expected around Sun, Sep 13, 2026
Regular price $4.77 AUD
Regular price Sale price $4.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

4 Available Now. Backorder if more than 4.
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
9.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Deleted Item. Available while stocks last.
Part Number: 684A-ZZS-ECO (Pack of 5)
4 units (20 pcs) Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.49 AUD
Regular price $4.19 AUD Sale price $3.49 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

4 units (20 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
9.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Deleted Item. Available while stocks last.
Part Number: 684A-ZZS-ECO (Pack of 5)
4 units (20 pcs) Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.49 AUD
Regular price $4.19 AUD Sale price $3.49 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

4 units (20 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
O.D. (D)
9.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S684A-ZZS-ECO (Each)
90 Available Now | Further orders can be expected around Mon, Sep 07, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 90 available can be backordered.
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
O.D. (D)
9.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S684A-ZZS-ECO (Each)
90 Available Now | Further orders can be expected around Mon, Sep 07, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

90 Available Now. Backorder if more than 90.
Single Row Ball Bearings - 4x9x4 mm Flanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: SF684A-ZZ-MC3 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Sep 13, 2026
Regular price $465.68 AUD
Regular price $1,046.52 AUD Sale price $465.68 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x9x4 mm Flanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 1.000 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: SF684A-ZZ-MC3 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Sep 13, 2026
Regular price $465.68 AUD
Regular price $1,046.52 AUD Sale price $465.68 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x9x4 mm Flanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
O.D. (D)
9.000
mm
Width (B)
4.000
mm
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: SF684A-ZZ-ECO (Each)
8 Available Now | Further orders can be expected around Wed, Sep 16, 2026
Regular price $3.41 AUD
Regular price $8.26 AUD Sale price $3.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 8 available can be backordered.
Single Row Ball Bearings - 4x9x4 mm Flanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
O.D. (D)
9.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 1.000 mm    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: SF684A-ZZ-ECO (Each)
8 Available Now | Further orders can be expected around Wed, Sep 16, 2026
Regular price $3.41 AUD
Regular price $8.26 AUD Sale price $3.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

8 Available Now. Backorder if more than 8.
Single Row Ball Bearings - 4x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
10.000
mm
Width (B)
3.000
mm
Single Row Ball Bearings - 4x10x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Deleted Item. Available while stocks last. Non ISO Width
Part Number: MR104-2RB-ECO (Each)
179 Available Now | Item Discontinued - Up to 179 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.00 AUD
Regular price $7.60 AUD Sale price $4.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

179 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
10.000
mm
Width (B)
3.000
mm
Single Row Ball Bearings - 4x10x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Deleted Item. Available while stocks last. Non ISO Width
Part Number: MR104-2RB-ECO (Each)
179 Available Now | Item Discontinued - Up to 179 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.00 AUD
Regular price $7.60 AUD Sale price $4.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

179 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
10.000
mm
Width (B)
3.000
mm
Single Row Ball Bearings - 4x10x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Non ISO Width
Part Number: MR104-ZZS-ECO (Each)
576 Available Now | Further orders can be expected around Mon, Sep 07, 2026
Regular price $2.50 AUD
Regular price Sale price $2.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 576 available can be backordered.
Single Row Ball Bearings - 4x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
10.000
mm
Width (B)
3.000
mm
Single Row Ball Bearings - 4x10x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Non ISO Width
Part Number: MR104-ZZS-ECO (Each)
576 Available Now | Further orders can be expected around Mon, Sep 07, 2026
Regular price $2.50 AUD
Regular price Sale price $2.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

576 Available Now. Backorder if more than 576.
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
10.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Deleted Item. Available while stocks last. Double blue rubber sealed economy bearing
Part Number: MR104A-2RB-ECO (Pack of 10)
18 units (180 pcs) Available Now | Item Discontinued - Up to 18 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $20.00 AUD
Regular price $38.00 AUD Sale price $20.00 AUD
Priced, Stocked and Sold Per pack of 10
Excludes GST and overseas Taxes & Duties
Quantity Required

18 units (180 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
10.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Deleted Item. Available while stocks last. Double blue rubber sealed economy bearing
Part Number: MR104A-2RB-ECO (Pack of 10)
18 units (180 pcs) Available Now | Item Discontinued - Up to 18 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $20.00 AUD
Regular price $38.00 AUD Sale price $20.00 AUD
Priced, Stocked and Sold Per pack of 10
Excludes GST and overseas Taxes & Duties
Quantity Required

18 units (180 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
10.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Double black rubber sealed economy bearing
Part Number: MR104A-2RS-ECO (Pack of 2)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Sep 07, 2026
Regular price $1.23 AUD
Regular price $2.10 AUD Sale price $1.23 AUD
Priced, Stocked and Sold Per pack of 2
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
10.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Double black rubber sealed economy bearing
Part Number: MR104A-2RS-ECO (Pack of 2)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Sep 07, 2026
Regular price $1.23 AUD
Regular price $2.10 AUD Sale price $1.23 AUD
Priced, Stocked and Sold Per pack of 2
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
10.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Double shielded economy bearing
Part Number: MR104A-ZZ-ECO (Pack of 5)
25 units (125 pcs) Available Now | Further orders can be expected around Mon, Sep 07, 2026
Regular price $5.59 AUD
Regular price Sale price $5.59 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 25 available can be backordered.
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
10.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Double shielded economy bearing
Part Number: MR104A-ZZ-ECO (Pack of 5)
25 units (125 pcs) Available Now | Further orders can be expected around Mon, Sep 07, 2026
Regular price $5.59 AUD
Regular price Sale price $5.59 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

25 units (125 pcs) Available Now. Backorder if more than 25.
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Double shielded standard bearing
Part Number: MR104A-ZZ-MC3 (Each)
72 Available Now | Further orders can be expected around Sun, Sep 13, 2026
Regular price $3.50 AUD
Regular price Sale price $3.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 72 available can be backordered.
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Double shielded standard bearing
Part Number: MR104A-ZZ-MC3 (Each)
72 Available Now | Further orders can be expected around Sun, Sep 13, 2026
Regular price $3.50 AUD
Regular price Sale price $3.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

72 Available Now. Backorder if more than 72.
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Double shielded low-torque stainless steel bearing with light oil lubricant
Part Number: SMR104A-ZZ-MC3-AF12 (Each)
65 Available Now | Further orders can be expected around Sun, Sep 13, 2026
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 65 available can be backordered.
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Double shielded low-torque stainless steel bearing with light oil lubricant
Part Number: SMR104A-ZZ-MC3-AF12 (Each)
65 Available Now | Further orders can be expected around Sun, Sep 13, 2026
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

65 Available Now. Backorder if more than 65.
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Double shielded standard stainless steel bearing
Part Number: SMR104A-ZZ-MC3 (Each)
302 Available Now | Further orders can be expected around Mon, Sep 07, 2026
Regular price $6.68 AUD
Regular price Sale price $6.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 302 available can be backordered.
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Double shielded standard stainless steel bearing
Part Number: SMR104A-ZZ-MC3 (Each)
302 Available Now | Further orders can be expected around Mon, Sep 07, 2026
Regular price $6.68 AUD
Regular price Sale price $6.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

302 Available Now. Backorder if more than 302.
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.007
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged
Double shielded P6 precision stainless steel bearing
Part Number: SMR104A-ZZ-MC3-JP6 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Sep 20, 2026
Regular price $11.59 AUD
Regular price $13.91 AUD Sale price $11.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.007
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged
Double shielded P6 precision stainless steel bearing
Part Number: SMR104A-ZZ-MC3-JP6 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Sep 20, 2026
Regular price $11.59 AUD
Regular price $13.91 AUD Sale price $11.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x10x4 mm Flanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Flange Diameter (DF)
11.600
mm
Flange Width (BF)
0.800
mm
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: SFMR104A-ZZ-MC3 (Each)
25 Available Now | Further orders can be expected around Sun, Sep 13, 2026
Regular price $6.32 AUD
Regular price Sale price $6.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 25 available can be backordered.
Single Row Ball Bearings - 4x10x4 mm Flanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 11.600 mm    Flange Width (BF): 0.800 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: SFMR104A-ZZ-MC3 (Each)
25 Available Now | Further orders can be expected around Sun, Sep 13, 2026
Regular price $6.32 AUD
Regular price Sale price $6.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

25 Available Now. Backorder if more than 25.
Single Row Ball Bearings - 4x10x4 mm Flanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Flange Diameter (DF)
11.600
mm
Flange Width (BF)
0.800
mm
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Double shielded flanged bearing
Part Number: FMR104A-ZZ-MC3 (Each)
69 Available Now | Further orders can be expected around Sun, Sep 13, 2026
Regular price $5.77 AUD
Regular price Sale price $5.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 69 available can be backordered.
Single Row Ball Bearings - 4x10x4 mm Flanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 11.600 mm    Flange Width (BF): 0.800 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Double shielded flanged bearing
Part Number: FMR104A-ZZ-MC3 (Each)
69 Available Now | Further orders can be expected around Sun, Sep 13, 2026
Regular price $5.77 AUD
Regular price Sale price $5.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

69 Available Now. Backorder if more than 69.
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
11.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Double shielded standard bearing
Part Number: 694-ZZ-MC3 (Each)
168 Available Now | Further orders can be expected around Sun, Sep 13, 2026
Regular price $3.14 AUD
Regular price Sale price $3.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 168 available can be backordered.
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
11.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Double shielded standard bearing
Part Number: 694-ZZ-MC3 (Each)
168 Available Now | Further orders can be expected around Sun, Sep 13, 2026
Regular price $3.14 AUD
Regular price Sale price $3.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

168 Available Now. Backorder if more than 168.
Single Row Ball Bearings - 4x11x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
11.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Double shielded standard stainless steel bearing
Part Number: S694-ZZ-MC3 (Each)
252 Available Now | Further orders can be expected around Sun, Sep 13, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 252 available can be backordered.
Single Row Ball Bearings - 4x11x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
11.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Double shielded standard stainless steel bearing
Part Number: S694-ZZ-MC3 (Each)
252 Available Now | Further orders can be expected around Sun, Sep 13, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

252 Available Now. Backorder if more than 252.
Single Row Ball Bearings - 4x11x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
11.000
mm
+ 0.000 / - 0.007
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged
Double shielded P6 precision stainless steel bearing
Part Number: S694-ZZ-MC3-JP6 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Sep 13, 2026
Regular price $5.41 AUD
Regular price $6.49 AUD Sale price $5.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x11x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
11.000
mm
+ 0.000 / - 0.007
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged
Double shielded P6 precision stainless steel bearing
Part Number: S694-ZZ-MC3-JP6 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Sep 13, 2026
Regular price $5.41 AUD
Regular price $6.49 AUD Sale price $5.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x11x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
11.000
mm
+ 0.000 / - 0.007
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged
Deleted Item. Available while stocks last.
Part Number: S694-MC3-JP6-AF12 (Pack of 2)
28 units (56 pcs) Available Now | Item Discontinued - Up to 28 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.54 AUD
Regular price $5.44 AUD Sale price $4.54 AUD
Priced, Stocked and Sold Per pack of 2
Excludes GST and overseas Taxes & Duties
Quantity Required

28 units (56 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x11x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
11.000
mm
+ 0.000 / - 0.007
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged
Deleted Item. Available while stocks last.
Part Number: S694-MC3-JP6-AF12 (Pack of 2)
28 units (56 pcs) Available Now | Item Discontinued - Up to 28 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.54 AUD
Regular price $5.44 AUD Sale price $4.54 AUD
Priced, Stocked and Sold Per pack of 2
Excludes GST and overseas Taxes & Duties
Quantity Required

28 units (56 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
11.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Deleted Item. Available while stocks last.
Part Number: 694-2RS-ECO (Pack of 5)
181 units (905 pcs) Available Now | Item Discontinued - Up to 181 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $5.36 AUD
Regular price $6.44 AUD Sale price $5.36 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

181 units (905 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
11.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Deleted Item. Available while stocks last.
Part Number: 694-2RS-ECO (Pack of 5)
181 units (905 pcs) Available Now | Item Discontinued - Up to 181 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $5.36 AUD
Regular price $6.44 AUD Sale price $5.36 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

181 units (905 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
11.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Deleted Item. Available while stocks last.
Part Number: 694-ZZS-ECO (Pack of 5)
11 units (55 pcs) Available Now | Item Discontinued - Up to 11 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.64 AUD
Regular price $6.37 AUD Sale price $3.64 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

11 units (55 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
11.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Deleted Item. Available while stocks last.
Part Number: 694-ZZS-ECO (Pack of 5)
11 units (55 pcs) Available Now | Item Discontinued - Up to 11 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.64 AUD
Regular price $6.37 AUD Sale price $3.64 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

11 units (55 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.