Collection: Bearings

2050 Products in this selection
Combined category including sub-categories of bearings. These include needle roller inner rings, one way, needle roller with inner ring, needle roller without inner ring, plastic, conveyor, pivot, single row ball, grooved od, spherical od, thrust ball, double row ball, thrust ball washers only, thrust roller, yoyo, tapered roller set, tapered roller cup, tapered roller cone, self clinching, spherical od radial ball, angular contact, 4 point contact, special applications, disk cleaning applications, pool equipment, mri tables, special type, and dental applications.
Small Parts & Bearings

Additional resources:

A more comprehensive listing may be found on the MBA Minibearings main store at Bearings.
ID (d) O.D. (D) Width (W) W1 W2 N Indicative
Image
ID (d)
4.000
mm
+ 0.076 / - 0.000
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.076
(Equiv. 0.512 in.)
Width (W)
5.000
mm
+ 0.127 / - 0.000
(Equiv. 0.197 in.)
Plastic Bearings - 4x13x5 mm - Acetal with Glass Balls
Material: Acetal with Glass Balls    Max RPM in Air: 3167   
Category: Bearings - Plastic - Acetal
Part Number: P-624-AGL (Each) Plastic Bearings - 4x13x5 mm - Acetal with Glass Balls Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 15, 2026
Regular price $31.77 AUD
Regular price Sale price $31.77 AUD
Each
ID (d) O.D. (D) Width (W) W1 Indicative
Image
ID (d)
4.000
mm
+ 0.076 / - 0.000
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.076
(Equiv. 0.512 in.)
Width (W)
5.000
mm
+ 0.127 / - 0.000
(Equiv. 0.197 in.)
Plastic Bearings - 4x13x5 mm - Acetal with Glass Balls
Material: Acetal with Glass Balls    Max RPM in Air: 3167   
Category: Bearings - Plastic - Acetal
Part Number: P-624-AGL (Each) Plastic Bearings - 4x13x5 mm - Acetal with Glass Balls Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 15, 2026
Regular price $31.77 AUD
Regular price Sale price $31.77 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.076 / - 0.000
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.076
(Equiv. 0.512 in.)
Width (W)
5.000
mm
+ 0.127 / - 0.000
(Equiv. 0.197 in.)
Plastic Bearings - 4x13x5 mm - Acetal with Stainless 316 Balls
Material: Acetal with Stainless 316 Balls    Max RPM in Air: 3167   
Category: Bearings - Plastic - Acetal
Part Number: P-624-AS6 (Each) Plastic Bearings - 4x13x5 mm - Acetal with Stainless 316 Balls Bearing
24 Available Now | Further orders can be expected around Sat, Aug 15, 2026
Regular price $14.32 AUD
Regular price $26.13 AUD Sale price $14.32 AUD
Each
ID (d)
4.000
mm
+ 0.076 / - 0.000
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.076
(Equiv. 0.512 in.)
Width (W)
5.000
mm
+ 0.127 / - 0.000
(Equiv. 0.197 in.)
Plastic Bearings - 4x13x5 mm - Acetal with Stainless 316 Balls
Material: Acetal with Stainless 316 Balls    Max RPM in Air: 3167   
Category: Bearings - Plastic - Acetal
Part Number: P-624-AS6 (Each) Plastic Bearings - 4x13x5 mm - Acetal with Stainless 316 Balls Bearing
24 Available Now | Further orders can be expected around Sat, Aug 15, 2026
Regular price $14.32 AUD
Regular price $26.13 AUD Sale price $14.32 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
O.D. (D)
13.000
mm
Width (W)
5.000
mm
Single Row Ball Bearings - 4x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 624-2RS-ECO (PK-5) Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
101 units (505 pcs) Available Now | Item Discontinued - Up to 101 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.64 AUD
Regular price $4.36 AUD Sale price $3.64 AUD
Per 5
ID (d)
4.000
mm
O.D. (D)
13.000
mm
Width (W)
5.000
mm
Single Row Ball Bearings - 4x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 624-2RS-ECO (PK-5) Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
101 units (505 pcs) Available Now | Item Discontinued - Up to 101 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.64 AUD
Regular price $4.36 AUD Sale price $3.64 AUD
Per 5
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (W)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 624-2RS-MC3 (Each) Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
106 Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $4.59 AUD
Regular price Sale price $4.59 AUD
Each
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (W)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 624-2RS-MC3 (Each) Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
106 Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $4.59 AUD
Regular price Sale price $4.59 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (W)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 624-ZZ-MC3 (Each) Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 31, 2026
Regular price $5.95 AUD
Regular price Sale price $5.95 AUD
Each
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (W)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 624-ZZ-MC3 (Each) Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 31, 2026
Regular price $5.95 AUD
Regular price Sale price $5.95 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
O.D. (D)
13.000
mm
Width (W)
5.000
mm
Single Row Ball Bearings - 4x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 624-ZZS-ECO (PK-5) Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
36 units (180 pcs) Available Now | Item Discontinued - Up to 36 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.49 AUD
Regular price $6.50 AUD Sale price $3.49 AUD
Per 5
ID (d)
4.000
mm
O.D. (D)
13.000
mm
Width (W)
5.000
mm
Single Row Ball Bearings - 4x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 624-ZZS-ECO (PK-5) Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
36 units (180 pcs) Available Now | Item Discontinued - Up to 36 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.49 AUD
Regular price $6.50 AUD Sale price $3.49 AUD
Per 5
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (W)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 624-2RU-MC3 (Each) Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
95 Available Now | Item Discontinued - Up to 95 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.68 AUD
Regular price $5.22 AUD Sale price $2.68 AUD
Each
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (W)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 624-2RU-MC3 (Each) Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
95 Available Now | Item Discontinued - Up to 95 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.68 AUD
Regular price $5.22 AUD Sale price $2.68 AUD
Each
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (W)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
W2
15.000
mm
N
1.000
mm
Single Row Ball Bearings - 4x13x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: SF624-ZZ-MC3 (PK-50) Single Row Ball Bearings - 4x13x5 mm Flanged - Stainless Steel AISI 440C Bearing
26 units (1300 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $530.41 AUD
Regular price Sale price $530.41 AUD
Per 50
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (W)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    W2: 15.000 mm    N: 1.000 mm    Type: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: SF624-ZZ-MC3 (PK-50) Single Row Ball Bearings - 4x13x5 mm Flanged - Stainless Steel AISI 440C Bearing
26 units (1300 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $530.41 AUD
Regular price Sale price $530.41 AUD
Per 50
View the product page first if you are unsure.
ID (d)
4.000
mm
O.D. (D)
13.000
mm
Width (W)
6.000
mm
Grooved OD Bearings - 4x13x6 mm - Chrome Steel
Material: Chrome Steel    Max RPM in Air: 120    Type: ZZ   
Category: Bearings - Grooved OD - Vee Groove
Part Number: V624B-ZZ-04-120-ECO (PK-2) Grooved OD Bearings - 4x13x6 mm Vee Groove - Chrome Steel Bearing
12 units (24 pcs) Available Now | Further orders can be expected around Sat, Jul 25, 2026
Regular price $3.68 AUD
Regular price Sale price $3.68 AUD
Per 2
ID (d)
4.000
mm
O.D. (D)
13.000
mm
Width (W)
6.000
mm
Grooved OD Bearings - 4x13x6 mm - Chrome Steel
Material: Chrome Steel    Max RPM in Air: 120    Type: ZZ   
Category: Bearings - Grooved OD - Vee Groove
Part Number: V624B-ZZ-04-120-ECO (PK-2) Grooved OD Bearings - 4x13x6 mm Vee Groove - Chrome Steel Bearing
12 units (24 pcs) Available Now | Further orders can be expected around Sat, Jul 25, 2026
Regular price $3.68 AUD
Regular price Sale price $3.68 AUD
Per 2
View the product page first if you are unsure.
ID (d)
4.000
mm
O.D. (D)
13.000
mm
Width (W)
6.000
mm
Grooved OD Bearings - 4x13x6 mm - Chrome Steel
Material: Chrome Steel    Max RPM in Air: 90    Type: ZZ   
Category: Bearings - Grooved OD - Vee Groove
Part Number: V624B-ZZ-04-090-ECO (Each) Grooved OD Bearings - 4x13x6 mm Vee Groove - Chrome Steel Bearing
40 Available Now | Further orders can be expected around Sat, Jul 25, 2026
Regular price $4.41 AUD
Regular price Sale price $4.41 AUD
Each
ID (d)
4.000
mm
O.D. (D)
13.000
mm
Width (W)
6.000
mm
Grooved OD Bearings - 4x13x6 mm - Chrome Steel
Material: Chrome Steel    Max RPM in Air: 90    Type: ZZ   
Category: Bearings - Grooved OD - Vee Groove
Part Number: V624B-ZZ-04-090-ECO (Each) Grooved OD Bearings - 4x13x6 mm Vee Groove - Chrome Steel Bearing
40 Available Now | Further orders can be expected around Sat, Jul 25, 2026
Regular price $4.41 AUD
Regular price Sale price $4.41 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
O.D. (D)
13.000
mm
Width (W)
7.000
mm
Grooved OD Bearings - 4x13x7 mm - Chrome Steel
Material: Chrome Steel    Max RPM in Air: 5.5    Type: ZZ   
Category: Bearings - Grooved OD - U Groove
Part Number: U624C-ZZ-09-ECO (Each) Grooved OD Bearings - 4x13x7 mm U Groove - Chrome Steel Bearing
50 Available Now | Further orders can be expected around Sat, Jul 25, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Each
ID (d)
4.000
mm
O.D. (D)
13.000
mm
Width (W)
7.000
mm
Grooved OD Bearings - 4x13x7 mm - Chrome Steel
Material: Chrome Steel    Max RPM in Air: 5.5    Type: ZZ   
Category: Bearings - Grooved OD - U Groove
Part Number: U624C-ZZ-09-ECO (Each) Grooved OD Bearings - 4x13x7 mm U Groove - Chrome Steel Bearing
50 Available Now | Further orders can be expected around Sat, Jul 25, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
O.D. (D)
13.000
mm
Width (W)
7.000
mm
Grooved OD Bearings - 4x13x7 mm - Chrome Steel
Material: Chrome Steel    Max RPM in Air: 5.5    Type: ZZ   
Category: Bearings - Grooved OD - U Groove
Part Number: U624C-ZZ-10-SG (PK-5) Grooved OD Bearings - 4x13x7 mm U Groove - Chrome Steel Bearing
48 units (240 pcs) Available Now | Further orders can be expected around Sat, Jul 25, 2026
Regular price $5.32 AUD
Regular price Sale price $5.32 AUD
Per 5
ID (d)
4.000
mm
O.D. (D)
13.000
mm
Width (W)
7.000
mm
Grooved OD Bearings - 4x13x7 mm - Chrome Steel
Material: Chrome Steel    Max RPM in Air: 5.5    Type: ZZ   
Category: Bearings - Grooved OD - U Groove
Part Number: U624C-ZZ-10-SG (PK-5) Grooved OD Bearings - 4x13x7 mm U Groove - Chrome Steel Bearing
48 units (240 pcs) Available Now | Further orders can be expected around Sat, Jul 25, 2026
Regular price $5.32 AUD
Regular price Sale price $5.32 AUD
Per 5
View the product page first if you are unsure.
ID (d)
4.000
mm
O.D. (D)
14.000
mm
Width (W)
5.000
mm
Grooved OD Bearings - 4x14x5 mm - Chrome Steel
Material: Chrome Steel    Max RPM in Air: 135    Type: ZZ   
Category: Bearings - Grooved OD - Vee Groove
Part Number: VMR144-ZZ-04-135-ECO (Each) Grooved OD Bearings - 4x14x5 mm Vee Groove - Chrome Steel Bearing
44 Available Now | Further orders can be expected around Sat, Jul 25, 2026
Regular price $5.41 AUD
Regular price Sale price $5.41 AUD
Each
ID (d)
4.000
mm
O.D. (D)
14.000
mm
Width (W)
5.000
mm
Grooved OD Bearings - 4x14x5 mm - Chrome Steel
Material: Chrome Steel    Max RPM in Air: 135    Type: ZZ   
Category: Bearings - Grooved OD - Vee Groove
Part Number: VMR144-ZZ-04-135-ECO (Each) Grooved OD Bearings - 4x14x5 mm Vee Groove - Chrome Steel Bearing
44 Available Now | Further orders can be expected around Sat, Jul 25, 2026
Regular price $5.41 AUD
Regular price Sale price $5.41 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
16.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.63 in.)
Width (W)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x16x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S634-ZZ-MC3 (Each) Single Row Ball Bearings - 4x16x5 mm Unflanged - Stainless Steel AISI 440C Bearing
100 Available Now | More stock due: 1000 around Tue, Jun 30, 2026 | Further orders can be expected around Fri, Jul 31, 2026
Regular price $4.86 AUD
Regular price Sale price $4.86 AUD
Each
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
16.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.63 in.)
Width (W)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x16x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S634-ZZ-MC3 (Each) Single Row Ball Bearings - 4x16x5 mm Unflanged - Stainless Steel AISI 440C Bearing
100 Available Now | More stock due: 1000 around Tue, Jun 30, 2026 | Further orders can be expected around Fri, Jul 31, 2026
Regular price $4.86 AUD
Regular price Sale price $4.86 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
16.000
mm
+ 0.000 / - 0.007
(Equiv. 0.63 in.)
Width (W)
5.000
mm
+ 0.000 / - 0.120
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x16x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: P6   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S634-MC3-JP6-AF12 (Each) Single Row Ball Bearings - 4x16x5 mm Unflanged - Stainless Steel AISI 440C Bearing
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.41 AUD
Regular price $4.69 AUD Sale price $2.41 AUD
Each
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
16.000
mm
+ 0.000 / - 0.007
(Equiv. 0.63 in.)
Width (W)
5.000
mm
+ 0.000 / - 0.120
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x16x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: P6   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S634-MC3-JP6-AF12 (Each) Single Row Ball Bearings - 4x16x5 mm Unflanged - Stainless Steel AISI 440C Bearing
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.41 AUD
Regular price $4.69 AUD Sale price $2.41 AUD
Each
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
16.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.63 in.)
Width (W)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x16x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S634-2RS-MC3 (Each) Single Row Ball Bearings - 4x16x5 mm Unflanged - Stainless Steel AISI 440C Bearing
10 Available Now | Further orders can be expected around Sun, Oct 04, 2026
Regular price $4.32 AUD
Regular price Sale price $4.32 AUD
Each
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
16.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.63 in.)
Width (W)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x16x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S634-2RS-MC3 (Each) Single Row Ball Bearings - 4x16x5 mm Unflanged - Stainless Steel AISI 440C Bearing
10 Available Now | Further orders can be expected around Sun, Oct 04, 2026
Regular price $4.32 AUD
Regular price Sale price $4.32 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
O.D. (D)
16.000
mm
Width (W)
5.000
mm
Single Row Ball Bearings - 4x16x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 634-ZZ-ECO (PK-5) Single Row Ball Bearings - 4x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
77 units (385 pcs) Available Now | Item Discontinued - Up to 77 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.71 AUD
Regular price $7.64 AUD Sale price $3.71 AUD
Per 5
ID (d)
4.000
mm
O.D. (D)
16.000
mm
Width (W)
5.000
mm
Single Row Ball Bearings - 4x16x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 634-ZZ-ECO (PK-5) Single Row Ball Bearings - 4x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
77 units (385 pcs) Available Now | Item Discontinued - Up to 77 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.71 AUD
Regular price $7.64 AUD Sale price $3.71 AUD
Per 5
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
16.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.63 in.)
Width (W)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x16x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 634-2RS-MC3 (Each) Single Row Ball Bearings - 4x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
7 Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $4.68 AUD
Regular price Sale price $4.68 AUD
Each
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
16.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.63 in.)
Width (W)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x16x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 634-2RS-MC3 (Each) Single Row Ball Bearings - 4x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
7 Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $4.68 AUD
Regular price Sale price $4.68 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
O.D. (D)
16.000
mm
Width (W)
5.000
mm
Single Row Ball Bearings - 4x16x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 634-2RS-ECO (Each) Single Row Ball Bearings - 4x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Mon, Aug 03, 2026
Regular price $4.23 AUD
Regular price Sale price $4.23 AUD
Each
ID (d)
4.000
mm
O.D. (D)
16.000
mm
Width (W)
5.000
mm
Single Row Ball Bearings - 4x16x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 634-2RS-ECO (Each) Single Row Ball Bearings - 4x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Mon, Aug 03, 2026
Regular price $4.23 AUD
Regular price Sale price $4.23 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
16.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.63 in.)
Width (W)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
W2
18.000
mm
N
1.000
mm
Single Row Ball Bearings - 4x16x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: SF634-ZZ-MC3 (Each) Single Row Ball Bearings - 4x16x5 mm Flanged - Stainless Steel AISI 440C Bearing
21 Available Now | Item Discontinued - Up to 21 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.91 AUD
Regular price $9.00 AUD Sale price $4.91 AUD
Each
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
16.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.63 in.)
Width (W)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x16x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    W2: 18.000 mm    N: 1.000 mm    Type: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: SF634-ZZ-MC3 (Each) Single Row Ball Bearings - 4x16x5 mm Flanged - Stainless Steel AISI 440C Bearing
21 Available Now | Item Discontinued - Up to 21 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.91 AUD
Regular price $9.00 AUD Sale price $4.91 AUD
Each
ID (d)
4.000
mm
O.D. (D)
16.500
mm
Width (W)
7.000
mm
Grooved OD Bearings - 4x16.5x7 mm - Chrome Steel
Material: Chrome Steel    Max RPM in Air: 4.5    Type: ZZ   
Category: Bearings - Grooved OD - U Groove
Part Number: UMR165-4-ZZ-14-ECO (Each) Grooved OD Bearings - 4x16.5x7 mm U Groove - Chrome Steel Bearing
38 Available Now | Further orders can be expected around Sat, Jul 25, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Each
ID (d)
4.000
mm
O.D. (D)
16.500
mm
Width (W)
7.000
mm
Grooved OD Bearings - 4x16.5x7 mm - Chrome Steel
Material: Chrome Steel    Max RPM in Air: 4.5    Type: ZZ   
Category: Bearings - Grooved OD - U Groove
Part Number: UMR165-4-ZZ-14-ECO (Each) Grooved OD Bearings - 4x16.5x7 mm U Groove - Chrome Steel Bearing
38 Available Now | Further orders can be expected around Sat, Jul 25, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
O.D. (D)
18.000
mm
Width (W)
7.000
mm
W1
8.000
mm
Grooved OD Bearings - 4x18x7 mm / 8 mm - Chrome Steel
Material: Chrome Steel    Max RPM in Air: 5.0    Type: ZZ   
Category: Bearings - Grooved OD - U Groove
Part Number: UWMR184A-ZZ-13-ECO (Each) Grooved OD Bearings - 4x18x7 mm / 8 mm U Groove - Chrome Steel Bearing
71 Available Now | Further orders can be expected around Sat, Jul 25, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Each
ID (d)
4.000
mm
O.D. (D)
18.000
mm
Width (W)
7.000
mm
W1
8.000
mm
Grooved OD Bearings - 4x18x7 mm / 8 mm - Chrome Steel
Material: Chrome Steel    Max RPM in Air: 5.0    Type: ZZ   
Category: Bearings - Grooved OD - U Groove
Part Number: UWMR184A-ZZ-13-ECO (Each) Grooved OD Bearings - 4x18x7 mm / 8 mm U Groove - Chrome Steel Bearing
71 Available Now | Further orders can be expected around Sat, Jul 25, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Each
View the product page first if you are unsure.
ID (d)
4.760
mm
O.D. (D)
8.730
mm
Width (W)
6.350
mm
W1
217
mm
W2
206
mm
N
6050
mm
Needle Roller without Inner Ring Bearings - 4.76x8.73x6.35 mm / 217 mm - Chrome Steel Shell
Material: Chrome Steel    Max RPM in Air: 11000    Type: None   
Category: Bearings - Needle Roller without Inner Ring - Shell Type
Part Number: NSO-0048-0087-0064-FC (Each) Needle Roller without Inner Ring Bearings - 4.76x8.73x6.35 mm / 217 Kgf Shell Type - Chrome Steel Bearing
1 Available Now | Further orders can be expected around Wed, Jul 08, 2026
Regular price $8.23 AUD
Regular price $14.74 AUD Sale price $8.23 AUD
Each
ID (d)
4.760
mm
O.D. (D)
8.730
mm
Width (W)
6.350
mm
W1
217
mm
Needle Roller without Inner Ring Bearings - 4.76x8.73x6.35 mm / 217 mm - Chrome Steel Shell
Material: Chrome Steel    W2: 206 mm    N: 6050 mm    Max RPM in Air: 11000    Type: None   
Category: Bearings - Needle Roller without Inner Ring - Shell Type
Part Number: NSO-0048-0087-0064-FC (Each) Needle Roller without Inner Ring Bearings - 4.76x8.73x6.35 mm / 217 Kgf Shell Type - Chrome Steel Bearing
1 Available Now | Further orders can be expected around Wed, Jul 08, 2026
Regular price $8.23 AUD
Regular price $14.74 AUD Sale price $8.23 AUD
Each
View the product page first if you are unsure.
ID (d)
4.760
mm
O.D. (D)
8.730
mm
Width (W)
9.520
mm
W1
376
mm
W2
419
mm
N
6050
mm
Needle Roller without Inner Ring Bearings - 4.76x8.73x9.52 mm / 376 mm - Chrome Steel Shell
Material: Chrome Steel    Max RPM in Air: 11000    Type: None   
Category: Bearings - Needle Roller without Inner Ring - Shell Type
Part Number: NSO-0048-0087-0095-FC (Each) Needle Roller without Inner Ring Bearings - 4.76x8.73x9.52 mm / 376 Kgf Shell Type - Chrome Steel Bearing
1 Available Now | Further orders can be expected around Wed, Jul 08, 2026
Regular price $9.50 AUD
Regular price $17.20 AUD Sale price $9.50 AUD
Each
ID (d)
4.760
mm
O.D. (D)
8.730
mm
Width (W)
9.520
mm
W1
376
mm
Needle Roller without Inner Ring Bearings - 4.76x8.73x9.52 mm / 376 mm - Chrome Steel Shell
Material: Chrome Steel    W2: 419 mm    N: 6050 mm    Max RPM in Air: 11000    Type: None   
Category: Bearings - Needle Roller without Inner Ring - Shell Type
Part Number: NSO-0048-0087-0095-FC (Each) Needle Roller without Inner Ring Bearings - 4.76x8.73x9.52 mm / 376 Kgf Shell Type - Chrome Steel Bearing
1 Available Now | Further orders can be expected around Wed, Jul 08, 2026
Regular price $9.50 AUD
Regular price $17.20 AUD Sale price $9.50 AUD
Each
View the product page first if you are unsure.