Bearings - Grooved OD - U Groove

12 Products in this selection
  • Special OD Bearings.
  • Contact us for tolerances.
Miniature Bearings Australia (Minibearings)

Additional resources:
A more concise listing may be found on the Smallparts store at Bearings - Grooved OD - U Groove. Smallparts promote the most popular MBA products.
ID (d) OD (D) Width (B) Inner Ring Width (Bn) Groove Base Diameter (GD) Groove Width (GB) Indicative
Image
ID (d)
3.000
mm

(0.118 in.)
OD (D)
10.000
mm

(0.394 in.)
Width (B)
4.000
mm

(0.157 in.)
Grooved OD Bearings - 3x10x4 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 2.0 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 8.8 mm   
Part Number: U623-ZZ-09-ECO (2 Pcs) Grooved OD Bearings - 3x10x4 mm - Chrome Steel
60 units (120 pcs) Available Immediately | Further orders can be expected around Sun, Jul 27, 2025
$6.05 AUD
$6.05 AUD
Per 2
ID (d) OD (D) Width (B) Inner Ring Width (Bn) Indicative
Image
ID (d)
3.000
mm

(0.118 in.)
OD (D)
10.000
mm

(0.394 in.)
Width (B)
4.000
mm

(0.157 in.)
Grooved OD Bearings - 3x10x4 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 2.0 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 8.8 mm   
Part Number: U623-ZZ-09-ECO (2 Pcs) Grooved OD Bearings - 3x10x4 mm - Chrome Steel
60 units (120 pcs) Available Immediately | Further orders can be expected around Sun, Jul 27, 2025
$6.05 AUD
$6.05 AUD
Per 2
View the product page first if you are unsure.
ID (d)
4.000
mm

(0.157 in.)
OD (D)
12.000
mm

(0.472 in.)
Width (B)
4.000
mm

(0.157 in.)
Grooved OD Bearings - 4x12x4 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 2.0 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 10.0 mm   
Part Number: U604-ZZ-10-ECO (2 Pcs) Grooved OD Bearings - 4x12x4 mm - Chrome Steel
16 units (32 pcs) Available Immediately | Further orders can be expected around Sun, Jul 27, 2025
$5.50 AUD
$5.50 AUD
Per 2
ID (d)
4.000
mm

(0.157 in.)
OD (D)
12.000
mm

(0.472 in.)
Width (B)
4.000
mm

(0.157 in.)
Grooved OD Bearings - 4x12x4 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 2.0 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 10.0 mm   
Part Number: U604-ZZ-10-ECO (2 Pcs) Grooved OD Bearings - 4x12x4 mm - Chrome Steel
16 units (32 pcs) Available Immediately | Further orders can be expected around Sun, Jul 27, 2025
$5.50 AUD
$5.50 AUD
Per 2
View the product page first if you are unsure.
ID (d)
4.000
mm

(0.157 in.)
OD (D)
12.000
mm

(0.472 in.)
Width (B)
4.000
mm

(0.157 in.)
Inner Ring Width (Bn)
5.000
mm
Grooved OD Bearings - 4x12x4 mm / 5 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 2.0 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 10.5 mm   
Part Number: UW604A-ZZ-11-ECO (2 Pcs) Grooved OD Bearings - 4x12x4 mm / 5 mm - Chrome Steel
24 units (48 pcs) Available Immediately | Further orders can be expected around Sun, Jul 27, 2025
$5.50 AUD
$5.50 AUD
Per 2
ID (d)
4.000
mm

(0.157 in.)
OD (D)
12.000
mm

(0.472 in.)
Width (B)
4.000
mm

(0.157 in.)
Inner Ring Width (Bn)
5.000
mm
Grooved OD Bearings - 4x12x4 mm / 5 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 2.0 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 10.5 mm   
Part Number: UW604A-ZZ-11-ECO (2 Pcs) Grooved OD Bearings - 4x12x4 mm / 5 mm - Chrome Steel
24 units (48 pcs) Available Immediately | Further orders can be expected around Sun, Jul 27, 2025
$5.50 AUD
$5.50 AUD
Per 2
View the product page first if you are unsure.
ID (d)
4.000
mm

(0.157 in.)
OD (D)
13.000
mm

(0.512 in.)
Width (B)
4.000
mm

(0.157 in.)
Grooved OD Bearings - 4x13x4 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 2.0 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 12.0 mm   
Part Number: U624A-ZZ-12-ECO (2 Pcs) Grooved OD Bearings - 4x13x4 mm U Groove - Chrome Steel
22 units (44 pcs) Available Immediately | Further orders can be expected around Sun, Jul 27, 2025
$5.50 AUD
$5.50 AUD
Per 2
ID (d)
4.000
mm

(0.157 in.)
OD (D)
13.000
mm

(0.512 in.)
Width (B)
4.000
mm

(0.157 in.)
Grooved OD Bearings - 4x13x4 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 2.0 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 12.0 mm   
Part Number: U624A-ZZ-12-ECO (2 Pcs) Grooved OD Bearings - 4x13x4 mm U Groove - Chrome Steel
22 units (44 pcs) Available Immediately | Further orders can be expected around Sun, Jul 27, 2025
$5.50 AUD
$5.50 AUD
Per 2
View the product page first if you are unsure.
ID (d)
4.000
mm

(0.157 in.)
OD (D)
13.000
mm

(0.512 in.)
Width (B)
4.000
mm

(0.157 in.)
Grooved OD Bearings - 4x13x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 11.0 mm    Groove Radius (+/- 0.05) (GR): 1.250 mm   
Part Number: US624A-ZZ-11 Grooved OD Bearings - 4x13x4 mm U Groove - Stainless Steel AISI 440C
200 Available Immediately | Item Discontinued - Up to 200 may be ordered online. No backorders. Please contact us if you need a larger quantity
$4.68 AUD
$8.26 AUD $4.68 AUD
Each
ID (d)
4.000
mm

(0.157 in.)
OD (D)
13.000
mm

(0.512 in.)
Width (B)
4.000
mm

(0.157 in.)
Grooved OD Bearings - 4x13x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 11.0 mm    Groove Radius (+/- 0.05) (GR): 1.250 mm   
Part Number: US624A-ZZ-11 Grooved OD Bearings - 4x13x4 mm U Groove - Stainless Steel AISI 440C
200 Available Immediately | Item Discontinued - Up to 200 may be ordered online. No backorders. Please contact us if you need a larger quantity
$4.68 AUD
$8.26 AUD $4.68 AUD
Each
ID (d)
4.000
mm

(0.157 in.)
OD (D)
13.000
mm

(0.512 in.)
Width (B)
5.000
mm

(0.197 in.)
Grooved OD Bearings - 4x13x5 mm - Chrome Steel
Material: Chrome Steel    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 12.3 mm    Groove Radius (+/- 0.05) (GR): 0.350 mm   
Part Number: U624-ZZ-12-ECO (5 Pcs) Grooved OD Bearings - 4x13x5 mm - Chrome Steel
1 pack (5 pcs) Available Immediately | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Per 5
ID (d)
4.000
mm

(0.157 in.)
OD (D)
13.000
mm

(0.512 in.)
Width (B)
5.000
mm

(0.197 in.)
Grooved OD Bearings - 4x13x5 mm - Chrome Steel
Material: Chrome Steel    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 12.3 mm    Groove Radius (+/- 0.05) (GR): 0.350 mm   
Part Number: U624-ZZ-12-ECO (5 Pcs) Grooved OD Bearings - 4x13x5 mm - Chrome Steel
1 pack (5 pcs) Available Immediately | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Per 5
ID (d)
4.000
mm

(0.157 in.)
OD (D)
13.000
mm

(0.512 in.)
Width (B)
7.000
mm

(0.276 in.)
Grooved OD Bearings - 4x13x7 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 5.5 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 9.5 mm   
Part Number: U624C-ZZ-10-SG (5 Pcs) Grooved OD Bearings - 4x13x7 mm U Groove - Chrome Steel
63 units (315 pcs) Available Immediately | Further orders can be expected around Sun, Jul 27, 2025
$5.77 AUD
$5.77 AUD
Per 5
ID (d)
4.000
mm

(0.157 in.)
OD (D)
13.000
mm

(0.512 in.)
Width (B)
7.000
mm

(0.276 in.)
Grooved OD Bearings - 4x13x7 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 5.5 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 9.5 mm   
Part Number: U624C-ZZ-10-SG (5 Pcs) Grooved OD Bearings - 4x13x7 mm U Groove - Chrome Steel
63 units (315 pcs) Available Immediately | Further orders can be expected around Sun, Jul 27, 2025
$5.77 AUD
$5.77 AUD
Per 5
View the product page first if you are unsure.
ID (d)
4.000
mm

(0.157 in.)
OD (D)
13.000
mm

(0.512 in.)
Width (B)
7.000
mm

(0.276 in.)
Grooved OD Bearings - 4x13x7 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 5.5 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 9.0 mm   
Part Number: U624C-ZZ-09-ECO Grooved OD Bearings - 4x13x7 mm - Chrome Steel
50 Available Immediately | Further orders can be expected around Sun, Jul 27, 2025
$4.41 AUD
$4.41 AUD
Each
ID (d)
4.000
mm

(0.157 in.)
OD (D)
13.000
mm

(0.512 in.)
Width (B)
7.000
mm

(0.276 in.)
Grooved OD Bearings - 4x13x7 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 5.5 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 9.0 mm   
Part Number: U624C-ZZ-09-ECO Grooved OD Bearings - 4x13x7 mm - Chrome Steel
50 Available Immediately | Further orders can be expected around Sun, Jul 27, 2025
$4.41 AUD
$4.41 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm

(0.157 in.)
OD (D)
16.500
mm

(0.65 in.)
Width (B)
7.000
mm

(0.276 in.)
Grooved OD Bearings - 4x16.5x7 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 4.5 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 13.5 mm   
Part Number: UMR165-4-ZZ-14-ECO Grooved OD Bearings - 4x16.5x7 mm U Groove - Chrome Steel
38 Available Immediately | Further orders can be expected around Sun, Jul 27, 2025
$4.41 AUD
$4.41 AUD
Each
ID (d)
4.000
mm

(0.157 in.)
OD (D)
16.500
mm

(0.65 in.)
Width (B)
7.000
mm

(0.276 in.)
Grooved OD Bearings - 4x16.5x7 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 4.5 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 13.5 mm   
Part Number: UMR165-4-ZZ-14-ECO Grooved OD Bearings - 4x16.5x7 mm U Groove - Chrome Steel
38 Available Immediately | Further orders can be expected around Sun, Jul 27, 2025
$4.41 AUD
$4.41 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm

(0.157 in.)
OD (D)
18.000
mm

(0.709 in.)
Width (B)
7.000
mm

(0.276 in.)
Inner Ring Width (Bn)
8.000
mm
Grooved OD Bearings - 4x18x7 mm / 8 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 5.0 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 13.0 mm   
Part Number: UWMR184A-ZZ-13-ECO Grooved OD Bearings - 4x18x7 mm / 8 mm - Chrome Steel
71 Available Immediately | Further orders can be expected around Sun, Jul 27, 2025
$4.41 AUD
$4.41 AUD
Each
ID (d)
4.000
mm

(0.157 in.)
OD (D)
18.000
mm

(0.709 in.)
Width (B)
7.000
mm

(0.276 in.)
Inner Ring Width (Bn)
8.000
mm
Grooved OD Bearings - 4x18x7 mm / 8 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 5.0 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 13.0 mm   
Part Number: UWMR184A-ZZ-13-ECO Grooved OD Bearings - 4x18x7 mm / 8 mm - Chrome Steel
71 Available Immediately | Further orders can be expected around Sun, Jul 27, 2025
$4.41 AUD
$4.41 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm

(0.157 in.)
OD (D)
20.000
mm

(0.787 in.)
Width (B)
5.000
mm

(0.197 in.)
Grooved OD Bearings - 4x20x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 18.0 mm    Groove Radius (+/- 0.05) (GR): 1.000 mm   
Part Number: USMR204-ZZ-18 (100 Pcs) Grooved OD Bearings - 4x20x5 mm U Groove - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 02, 2025
$1,500.77 AUD
$1,800.93 AUD $1,500.77 AUD
Per 100
ID (d)
4.000
mm

(0.157 in.)
OD (D)
20.000
mm

(0.787 in.)
Width (B)
5.000
mm

(0.197 in.)
Grooved OD Bearings - 4x20x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 18.0 mm    Groove Radius (+/- 0.05) (GR): 1.000 mm   
Part Number: USMR204-ZZ-18 (100 Pcs) Grooved OD Bearings - 4x20x5 mm U Groove - Stainless Steel AISI 440C
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 02, 2025
$1,500.77 AUD
$1,800.93 AUD $1,500.77 AUD
Per 100
View the product page first if you are unsure.
ID (d)
5.000
mm

(0.197 in.)
OD (D)
16.000
mm

(0.63 in.)
Width (B)
7.000
mm

(0.276 in.)
Inner Ring Width (Bn)
8.000
mm
Grooved OD Bearings - 5x16x7 mm / 8 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 3.0 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 13.5 mm   
Part Number: U625A-ZZ-13-ECO Grooved OD Bearings - 5x16x7 mm / 8 mm - Chrome Steel
33 Available Immediately | Further orders can be expected around Sun, Jul 27, 2025
$5.14 AUD
$5.14 AUD
Each
ID (d)
5.000
mm

(0.197 in.)
OD (D)
16.000
mm

(0.63 in.)
Width (B)
7.000
mm

(0.276 in.)
Inner Ring Width (Bn)
8.000
mm
Grooved OD Bearings - 5x16x7 mm / 8 mm - Chrome Steel
Material: Chrome Steel    Approx Groove Width: 3.0 mm    Closures: ZZ    Type: U-Groove Profile    Groove Base Diameter (GD): 13.5 mm   
Part Number: U625A-ZZ-13-ECO Grooved OD Bearings - 5x16x7 mm / 8 mm - Chrome Steel
33 Available Immediately | Further orders can be expected around Sun, Jul 27, 2025
$5.14 AUD
$5.14 AUD
Each
View the product page first if you are unsure.