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)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
O.D. (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (W)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
W2
40.000
mm
N
2.000
mm
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: F6904-ECO (Each) Single Row Ball Bearings - 20x37x9 mm Flanged - Chrome Steel SAE 52100 Bearing
4 Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
$3.00 AUD
$5.70 AUD $3.00 AUD
Each
ID (d) O.D. (D) Width (W) W1 Indicative
Image
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
O.D. (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (W)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    W2: 40.000 mm    N: 2.000 mm    Type: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: F6904-ECO (Each) Single Row Ball Bearings - 20x37x9 mm Flanged - Chrome Steel SAE 52100 Bearing
4 Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
$3.00 AUD
$5.70 AUD $3.00 AUD
Each
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
O.D. (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (W)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
W2
40.000
mm
N
2.000
mm
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: F6904-2RS-ECO (Each) Single Row Ball Bearings - 20x37x9 mm Flanged - Chrome Steel SAE 52100 Bearing
1 Available Now | Further orders can be expected around Sat, Jul 25, 2026
$6.95 AUD
$6.95 AUD
Each
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
O.D. (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (W)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    W2: 40.000 mm    N: 2.000 mm    Type: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: F6904-2RS-ECO (Each) Single Row Ball Bearings - 20x37x9 mm Flanged - Chrome Steel SAE 52100 Bearing
1 Available Now | Further orders can be expected around Sat, Jul 25, 2026
$6.95 AUD
$6.95 AUD
Each
View the product page first if you are unsure.
ID (d)
20.000
mm
O.D. (D)
40.000
mm
Width (W)
12.000
mm
Single Row Ball Bearings - 20x40x12 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: MR4020-2RS-ECO (Each) Single Row Ball Bearings - 20x40x12 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | More stock due: 30 around Mon, Sep 07, 2026 | Further orders can be expected around Sat, Jul 25, 2026
$7.41 AUD
$7.41 AUD
Each
ID (d)
20.000
mm
O.D. (D)
40.000
mm
Width (W)
12.000
mm
Single Row Ball Bearings - 20x40x12 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: MR4020-2RS-ECO (Each) Single Row Ball Bearings - 20x40x12 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | More stock due: 30 around Mon, Sep 07, 2026 | Further orders can be expected around Sat, Jul 25, 2026
$7.41 AUD
$7.41 AUD
Each
View the product page first if you are unsure.
ID (d)
20.000
mm
O.D. (D)
40.000
mm
Width (W)
14.000
mm
W1
22.000
mm
W2
40.000
mm
N
1998
mm
Thrust Ball Bearings - 20x40x14 mm / 22 mm Grooved - Chrome Steel
Material: Chrome Steel   
Category: Bearings - Thrust Ball - Grooved
Part Number: T-0200-0400-G-51204-ECO (Each) Thrust Ball Bearings - 20x40x14 mm / 22 mm Grooved - Chrome Steel Bearing
69 Available Now | Further orders can be expected around Sat, Jul 25, 2026
$3.14 AUD
$3.14 AUD
Each
ID (d)
20.000
mm
O.D. (D)
40.000
mm
Width (W)
14.000
mm
W1
22.000
mm
Thrust Ball Bearings - 20x40x14 mm / 22 mm Grooved - Chrome Steel
Material: Chrome Steel    W2: 40.000 mm    N: 1998 mm   
Category: Bearings - Thrust Ball - Grooved
Part Number: T-0200-0400-G-51204-ECO (Each) Thrust Ball Bearings - 20x40x14 mm / 22 mm Grooved - Chrome Steel Bearing
69 Available Now | Further orders can be expected around Sat, Jul 25, 2026
$3.14 AUD
$3.14 AUD
Each
View the product page first if you are unsure.
ID (d)
20.000
mm
O.D. (D)
42.000
mm
Width (W)
8.000
mm
Single Row Ball Bearings - 20x42x8 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6004B-2RS-ECO (Each) Single Row Ball Bearings - 20x42x8 mm Unflanged - Stainless Steel AISI 440C Bearing
21 Available Now | Further orders can be expected around Sat, Jul 25, 2026
$13.95 AUD
$13.95 AUD
Each
ID (d)
20.000
mm
O.D. (D)
42.000
mm
Width (W)
8.000
mm
Single Row Ball Bearings - 20x42x8 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6004B-2RS-ECO (Each) Single Row Ball Bearings - 20x42x8 mm Unflanged - Stainless Steel AISI 440C Bearing
21 Available Now | Further orders can be expected around Sat, Jul 25, 2026
$13.95 AUD
$13.95 AUD
Each
View the product page first if you are unsure.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
O.D. (D)
42.000
mm
+ 0.000 / - 0.011
(Equiv. 1.654 in.)
Width (W)
8.000
mm
+ 0.000 / - 0.120
(Equiv. 0.315 in.)
Single Row Ball Bearings - 20x42x8 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6004B-ZZ (Each) Single Row Ball Bearings - 20x42x8 mm Unflanged - Chrome Steel SAE 52100 Bearing
2 Available Now | Further orders can be expected around Wed, Jul 08, 2026
$22.32 AUD
$22.32 AUD
Each
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
O.D. (D)
42.000
mm
+ 0.000 / - 0.011
(Equiv. 1.654 in.)
Width (W)
8.000
mm
+ 0.000 / - 0.120
(Equiv. 0.315 in.)
Single Row Ball Bearings - 20x42x8 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6004B-ZZ (Each) Single Row Ball Bearings - 20x42x8 mm Unflanged - Chrome Steel SAE 52100 Bearing
2 Available Now | Further orders can be expected around Wed, Jul 08, 2026
$22.32 AUD
$22.32 AUD
Each
View the product page first if you are unsure.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
O.D. (D)
42.000
mm
+ 0.000 / - 0.011
(Equiv. 1.654 in.)
Width (W)
8.000
mm
+ 0.000 / - 0.120
(Equiv. 0.315 in.)
Single Row Ball Bearings - 20x42x8 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6004B (Each) Single Row Ball Bearings - 20x42x8 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Wed, Jul 08, 2026
$22.32 AUD
$22.32 AUD
Each
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
O.D. (D)
42.000
mm
+ 0.000 / - 0.011
(Equiv. 1.654 in.)
Width (W)
8.000
mm
+ 0.000 / - 0.120
(Equiv. 0.315 in.)
Single Row Ball Bearings - 20x42x8 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6004B (Each) Single Row Ball Bearings - 20x42x8 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Wed, Jul 08, 2026
$22.32 AUD
$22.32 AUD
Each
View the product page first if you are unsure.
ID (d)
20.000
mm
+ 0.102 / - 0.000
(Equiv. 0.787 in.)
O.D. (D)
42.000
mm
+ 0.000 / - 0.127
(Equiv. 1.654 in.)
Width (W)
8.000
mm
+ 0.127 / - 0.000
(Equiv. 0.315 in.)
Plastic Bearings - 20x42x8 mm - Acetal with Stainless 316 Balls
Material: Acetal with Stainless 316 Balls    Max RPM in Air: 840   
Category: Bearings - Plastic - Acetal
Part Number: P-6004B-AS6 (Each) Plastic Bearings - 20x42x8 mm - Acetal with Stainless 316 Balls Bearing
96 Available Now | Further orders can be expected around Sat, Aug 15, 2026
$19.50 AUD
$35.74 AUD $19.50 AUD
Each
ID (d)
20.000
mm
+ 0.102 / - 0.000
(Equiv. 0.787 in.)
O.D. (D)
42.000
mm
+ 0.000 / - 0.127
(Equiv. 1.654 in.)
Width (W)
8.000
mm
+ 0.127 / - 0.000
(Equiv. 0.315 in.)
Plastic Bearings - 20x42x8 mm - Acetal with Stainless 316 Balls
Material: Acetal with Stainless 316 Balls    Max RPM in Air: 840   
Category: Bearings - Plastic - Acetal
Part Number: P-6004B-AS6 (Each) Plastic Bearings - 20x42x8 mm - Acetal with Stainless 316 Balls Bearing
96 Available Now | Further orders can be expected around Sat, Aug 15, 2026
$19.50 AUD
$35.74 AUD $19.50 AUD
Each
View the product page first if you are unsure.
ID (d)
20.000
mm
+ 0.102 / - 0.000
(Equiv. 0.787 in.)
O.D. (D)
42.000
mm
+ 0.000 / - 0.127
(Equiv. 1.654 in.)
Width (W)
12.000
mm
+ 0.127 / - 0.000
(Equiv. 0.472 in.)
Single Row Ball Bearings - 20x42x12 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Type: Semi-Precision   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S316-6004-2PE (Each) Single Row Ball Bearings - 20x42x12 mm Unflanged - Stainless Steel 316 Similar to A4, 18-10 Bearing
10 Available Now | Further orders can be expected around Sat, Jul 25, 2026
$20.59 AUD
$20.59 AUD
Each
ID (d)
20.000
mm
+ 0.102 / - 0.000
(Equiv. 0.787 in.)
O.D. (D)
42.000
mm
+ 0.000 / - 0.127
(Equiv. 1.654 in.)
Width (W)
12.000
mm
+ 0.127 / - 0.000
(Equiv. 0.472 in.)
Single Row Ball Bearings - 20x42x12 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Type: Semi-Precision   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S316-6004-2PE (Each) Single Row Ball Bearings - 20x42x12 mm Unflanged - Stainless Steel 316 Similar to A4, 18-10 Bearing
10 Available Now | Further orders can be expected around Sat, Jul 25, 2026
$20.59 AUD
$20.59 AUD
Each
View the product page first if you are unsure.
ID (d)
20.000
mm
O.D. (D)
42.000
mm
Width (W)
12.000
mm
Single Row Ball Bearings - 20x42x12 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6004-ZZ-ECO (Each) Single Row Ball Bearings - 20x42x12 mm Unflanged - Stainless Steel AISI 440C Bearing
3 Available Now | Further orders can be expected around Mon, Aug 03, 2026
$12.23 AUD
$12.23 AUD
Each
ID (d)
20.000
mm
O.D. (D)
42.000
mm
Width (W)
12.000
mm
Single Row Ball Bearings - 20x42x12 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6004-ZZ-ECO (Each) Single Row Ball Bearings - 20x42x12 mm Unflanged - Stainless Steel AISI 440C Bearing
3 Available Now | Further orders can be expected around Mon, Aug 03, 2026
$12.23 AUD
$12.23 AUD
Each
View the product page first if you are unsure.
ID (d)
20.000
mm
O.D. (D)
42.000
mm
Width (W)
12.000
mm
Single Row Ball Bearings - 20x42x12 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6004-2RS-ECO (Each) Single Row Ball Bearings - 20x42x12 mm Unflanged - Stainless Steel AISI 440C Bearing
14 Available Now | Further orders can be expected around Sat, Jul 25, 2026
$4.95 AUD
$8.74 AUD $4.95 AUD
Each
ID (d)
20.000
mm
O.D. (D)
42.000
mm
Width (W)
12.000
mm
Single Row Ball Bearings - 20x42x12 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6004-2RS-ECO (Each) Single Row Ball Bearings - 20x42x12 mm Unflanged - Stainless Steel AISI 440C Bearing
14 Available Now | Further orders can be expected around Sat, Jul 25, 2026
$4.95 AUD
$8.74 AUD $4.95 AUD
Each
View the product page first if you are unsure.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
O.D. (D)
42.000
mm
+ 0.000 / - 0.011
(Equiv. 1.654 in.)
Width (W)
12.000
mm
+ 0.000 / - 0.120
(Equiv. 0.472 in.)
Single Row Ball Bearings - 20x42x12 mm - Ceramic Silicon Nitride - PTFE Cage - PTFE Seals
Material: Ceramic Silicon Nitride - PTFE Cage - PTFE Seals    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: CSN-6004-TTS-C3-TF-DRY (PK-10) Single Row Ball Bearings - 20x42x12 mm Unflanged - Ceramic Silicon Nitride - PTFE Cage - PTFE Seals Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 25, 2026
$703.23 AUD
$703.23 AUD
Per 10
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
O.D. (D)
42.000
mm
+ 0.000 / - 0.011
(Equiv. 1.654 in.)
Width (W)
12.000
mm
+ 0.000 / - 0.120
(Equiv. 0.472 in.)
Single Row Ball Bearings - 20x42x12 mm - Ceramic Silicon Nitride - PTFE Cage - PTFE Seals
Material: Ceramic Silicon Nitride - PTFE Cage - PTFE Seals    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: CSN-6004-TTS-C3-TF-DRY (PK-10) Single Row Ball Bearings - 20x42x12 mm Unflanged - Ceramic Silicon Nitride - PTFE Cage - PTFE Seals Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 25, 2026
$703.23 AUD
$703.23 AUD
Per 10
View the product page first if you are unsure.
ID (d)
20.000
mm
O.D. (D)
42.000
mm
Width (W)
12.000
mm
Single Row Ball Bearings - 20x42x12 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6004-2RS-ECO (Each) Single Row Ball Bearings - 20x42x12 mm Unflanged - Chrome Steel SAE 52100 Bearing
4 Available Now | Further orders can be expected around Mon, Aug 03, 2026
$8.05 AUD
$8.05 AUD
Each
ID (d)
20.000
mm
O.D. (D)
42.000
mm
Width (W)
12.000
mm
Single Row Ball Bearings - 20x42x12 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6004-2RS-ECO (Each) Single Row Ball Bearings - 20x42x12 mm Unflanged - Chrome Steel SAE 52100 Bearing
4 Available Now | Further orders can be expected around Mon, Aug 03, 2026
$8.05 AUD
$8.05 AUD
Each
View the product page first if you are unsure.
ID (d)
20.000
mm
O.D. (D)
42.000
mm
Width (W)
12.000
mm
Single Row Ball Bearings - 20x42x12 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: 1.350   
Category: Bearings - Single Row Ball - with Snap Ring
Part Number: 6004-ZZ-NR-ECO (Each) Single Row Ball Bearings - 20x42x12 mm with Snap Ring - Chrome Steel SAE 52100 Bearing
30 Available Now | Item Discontinued - Up to 30 may be ordered online. No backorders. Please contact us if you need a larger quantity
$3.19 AUD
$7.08 AUD $3.19 AUD
Each
ID (d)
20.000
mm
O.D. (D)
42.000
mm
Width (W)
12.000
mm
Single Row Ball Bearings - 20x42x12 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: 1.350   
Category: Bearings - Single Row Ball - with Snap Ring
Part Number: 6004-ZZ-NR-ECO (Each) Single Row Ball Bearings - 20x42x12 mm with Snap Ring - Chrome Steel SAE 52100 Bearing
30 Available Now | Item Discontinued - Up to 30 may be ordered online. No backorders. Please contact us if you need a larger quantity
$3.19 AUD
$7.08 AUD $3.19 AUD
Each
ID (d)
20.000
mm
O.D. (D)
42.000
mm
Width (W)
12.000
mm
1125234 | 6004-Z-T9H-ACO-ECO (Each) --- Single Row Ball Bearings - 20x42x12 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6004-Z-T9H-ACO-ECO (Each) Single Row Ball Bearings - 20x42x12 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 08, 2026
$52.14 AUD
$62.56 AUD $52.14 AUD
Each
ID (d)
20.000
mm
O.D. (D)
42.000
mm
Width (W)
12.000
mm
1125234 | 6004-Z-T9H-ACO-ECO (Each) --- Single Row Ball Bearings - 20x42x12 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6004-Z-T9H-ACO-ECO (Each) Single Row Ball Bearings - 20x42x12 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 08, 2026
$52.14 AUD
$62.56 AUD $52.14 AUD
Each
View the product page first if you are unsure.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
O.D. (D)
42.000
mm
+ 0.000 / - 0.011
(Equiv. 1.654 in.)
Width (W)
12.000
mm
+ 0.000 / - 0.120
(Equiv. 0.472 in.)
Single Row Ball Bearings - 20x42x12 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6004 (Each) Single Row Ball Bearings - 20x42x12 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Wed, Jul 08, 2026
$7.50 AUD
$9.00 AUD $7.50 AUD
Each
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
O.D. (D)
42.000
mm
+ 0.000 / - 0.011
(Equiv. 1.654 in.)
Width (W)
12.000
mm
+ 0.000 / - 0.120
(Equiv. 0.472 in.)
Single Row Ball Bearings - 20x42x12 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6004 (Each) Single Row Ball Bearings - 20x42x12 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Wed, Jul 08, 2026
$7.50 AUD
$9.00 AUD $7.50 AUD
Each
View the product page first if you are unsure.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
O.D. (D)
42.000
mm
+ 0.000 / - 0.011
(Equiv. 1.654 in.)
Width (W)
12.000
mm
+ 0.000 / - 0.120
(Equiv. 0.472 in.)
Single Row Ball Bearings - 20x42x12 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6004-2RS (Each) Single Row Ball Bearings - 20x42x12 mm Unflanged - Chrome Steel SAE 52100 Bearing
4 Available Now | Further orders can be expected around Wed, Jul 08, 2026
$13.32 AUD
$13.32 AUD
Each
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
O.D. (D)
42.000
mm
+ 0.000 / - 0.011
(Equiv. 1.654 in.)
Width (W)
12.000
mm
+ 0.000 / - 0.120
(Equiv. 0.472 in.)
Single Row Ball Bearings - 20x42x12 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6004-2RS (Each) Single Row Ball Bearings - 20x42x12 mm Unflanged - Chrome Steel SAE 52100 Bearing
4 Available Now | Further orders can be expected around Wed, Jul 08, 2026
$13.32 AUD
$13.32 AUD
Each
View the product page first if you are unsure.
ID (d)
20.000
mm
O.D. (D)
42.000
mm
Width (W)
12.000
mm
Single Row Ball Bearings - 20x42x12 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6004-ZZ-ECO (Each) Single Row Ball Bearings - 20x42x12 mm Unflanged - Chrome Steel SAE 52100 Bearing
6 Available Now | Further orders can be expected around Mon, Aug 03, 2026
$7.68 AUD
$7.68 AUD
Each
ID (d)
20.000
mm
O.D. (D)
42.000
mm
Width (W)
12.000
mm
Single Row Ball Bearings - 20x42x12 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6004-ZZ-ECO (Each) Single Row Ball Bearings - 20x42x12 mm Unflanged - Chrome Steel SAE 52100 Bearing
6 Available Now | Further orders can be expected around Mon, Aug 03, 2026
$7.68 AUD
$7.68 AUD
Each
View the product page first if you are unsure.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
O.D. (D)
42.000
mm
+ 0.000 / - 0.011
(Equiv. 1.654 in.)
Width (W)
12.000
mm
+ 0.000 / - 0.120
(Equiv. 0.472 in.)
Single Row Ball Bearings - 20x42x12 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6004-ZZ (Each) Single Row Ball Bearings - 20x42x12 mm Unflanged - Chrome Steel SAE 52100 Bearing
2 Available Now | Further orders can be expected around Wed, Jul 08, 2026
$11.95 AUD
$11.95 AUD
Each
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
O.D. (D)
42.000
mm
+ 0.000 / - 0.011
(Equiv. 1.654 in.)
Width (W)
12.000
mm
+ 0.000 / - 0.120
(Equiv. 0.472 in.)
Single Row Ball Bearings - 20x42x12 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6004-ZZ (Each) Single Row Ball Bearings - 20x42x12 mm Unflanged - Chrome Steel SAE 52100 Bearing
2 Available Now | Further orders can be expected around Wed, Jul 08, 2026
$11.95 AUD
$11.95 AUD
Each
View the product page first if you are unsure.
ID (d)
20.000
mm
+ 0.102 / - 0.000
(Equiv. 0.787 in.)
O.D. (D)
42.000
mm
+ 0.000 / - 0.127
(Equiv. 1.654 in.)
Width (W)
12.000
mm
+ 0.127 / - 0.000
(Equiv. 0.472 in.)
Plastic Bearings - 20x42x12 mm - Acetal with Stainless 316 Balls
Material: Acetal with Stainless 316 Balls    Max RPM in Air: 840   
Category: Bearings - Plastic - Acetal
Part Number: P-6004-AS6 (PK-25) Plastic Bearings - 20x42x12 mm - Acetal with Stainless 316 Balls Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 15, 2026
$693.05 AUD
$693.05 AUD
Per 25
ID (d)
20.000
mm
+ 0.102 / - 0.000
(Equiv. 0.787 in.)
O.D. (D)
42.000
mm
+ 0.000 / - 0.127
(Equiv. 1.654 in.)
Width (W)
12.000
mm
+ 0.127 / - 0.000
(Equiv. 0.472 in.)
Plastic Bearings - 20x42x12 mm - Acetal with Stainless 316 Balls
Material: Acetal with Stainless 316 Balls    Max RPM in Air: 840   
Category: Bearings - Plastic - Acetal
Part Number: P-6004-AS6 (PK-25) Plastic Bearings - 20x42x12 mm - Acetal with Stainless 316 Balls Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 15, 2026
$693.05 AUD
$693.05 AUD
Per 25
View the product page first if you are unsure.
ID (d)
20.000
mm
O.D. (D)
42.000
mm
Width (W)
12.000
mm
W2
45.000
mm
N
3.000
mm
Single Row Ball Bearings - 20x42x12 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: F6004-2RS-ECO (Each) Single Row Ball Bearings - 20x42x12 mm Flanged - Chrome Steel SAE 52100 Bearing
77 Available Now | Further orders can be expected around Sat, Jul 25, 2026
$10.05 AUD
$10.05 AUD
Each
ID (d)
20.000
mm
O.D. (D)
42.000
mm
Width (W)
12.000
mm
Single Row Ball Bearings - 20x42x12 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    W2: 45.000 mm    N: 3.000 mm    Type: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: F6004-2RS-ECO (Each) Single Row Ball Bearings - 20x42x12 mm Flanged - Chrome Steel SAE 52100 Bearing
77 Available Now | Further orders can be expected around Sat, Jul 25, 2026
$10.05 AUD
$10.05 AUD
Each
View the product page first if you are unsure.
ID (d)
20.00
mm
O.D. (D)
47.00
mm
Width (W)
14.00
mm
One Way Bearings - 20x47x14 mm - Chrome Steel
Material: Chrome Steel    Max RPM in Air: Unsealed - Keyway in inner race only   
Category: Bearings - One Way - Sprag
Part Number: OW-0200-0470-0140-K (Each) One Way Bearings - 20x47x14 mm Sprag - Chrome Steel Bearing
1 Available Now | Further orders can be expected around Sat, Aug 08, 2026
$44.59 AUD
$79.58 AUD $44.59 AUD
Each
ID (d)
20.00
mm
O.D. (D)
47.00
mm
Width (W)
14.00
mm
One Way Bearings - 20x47x14 mm - Chrome Steel
Material: Chrome Steel    Max RPM in Air: Unsealed - Keyway in inner race only   
Category: Bearings - One Way - Sprag
Part Number: OW-0200-0470-0140-K (Each) One Way Bearings - 20x47x14 mm Sprag - Chrome Steel Bearing
1 Available Now | Further orders can be expected around Sat, Aug 08, 2026
$44.59 AUD
$79.58 AUD $44.59 AUD
Each
View the product page first if you are unsure.
ID (d)
20.000
mm
O.D. (D)
47.000
mm
Width (W)
14.000
mm
Single Row Ball Bearings - 20x47x14 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6204-ZZ-ECO (Each) Single Row Ball Bearings - 20x47x14 mm Unflanged - Stainless Steel AISI 440C Bearing
10 Available Now | Further orders can be expected around Mon, Aug 03, 2026
$16.05 AUD
$16.05 AUD
Each
ID (d)
20.000
mm
O.D. (D)
47.000
mm
Width (W)
14.000
mm
Single Row Ball Bearings - 20x47x14 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6204-ZZ-ECO (Each) Single Row Ball Bearings - 20x47x14 mm Unflanged - Stainless Steel AISI 440C Bearing
10 Available Now | Further orders can be expected around Mon, Aug 03, 2026
$16.05 AUD
$16.05 AUD
Each
View the product page first if you are unsure.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
O.D. (D)
47.000
mm
+ 0.000 / - 0.011
(Equiv. 1.85 in.)
Width (W)
14.000
mm
+ 0.000 / - 0.120
(Equiv. 0.551 in.)
Single Row Ball Bearings - 20x47x14 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6204-ECO-DRY (Each) Single Row Ball Bearings - 20x47x14 mm Unflanged - Stainless Steel AISI 440C Bearing
32 Available Now | Further orders can be expected around Sat, Jul 25, 2026
$8.05 AUD
$14.53 AUD $8.05 AUD
Each
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
O.D. (D)
47.000
mm
+ 0.000 / - 0.011
(Equiv. 1.85 in.)
Width (W)
14.000
mm
+ 0.000 / - 0.120
(Equiv. 0.551 in.)
Single Row Ball Bearings - 20x47x14 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6204-ECO-DRY (Each) Single Row Ball Bearings - 20x47x14 mm Unflanged - Stainless Steel AISI 440C Bearing
32 Available Now | Further orders can be expected around Sat, Jul 25, 2026
$8.05 AUD
$14.53 AUD $8.05 AUD
Each
View the product page first if you are unsure.