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Product Specifications:
| Item | Radial Ball Bearing |
| Abec Rating | 1 |
| Ball Material | Alloy Steel |
| Bearing Industry Number | R4A |
| Bore Dia. | 1/4" |
| Bore Dia. Tolerance | -0.005 mm to +0.005 mm |
| Cage Material | Steel |
| Closure | Double Shielded |
| Closure & Seal Type | Double Shielded |
| Dynamic Load Capacity | 2810 lbf. |
| Dynamic Radial Load Capacity | 2810 lbf. |
| Includes Retaining Ring | No |
| Lubricant Material | Grease |
| Max. Axial Load | 65 lbf. |
| Max. Speed | 39000 RPM |
| Max. Temp. | 230°F |
| Min. Temp. | 230°F |
| Number Of Rows | 1 |
| Outer Ring Width | 0.281" |
| Outside Dia. | 3/4" |
| Outside Diameter Tolerance | -0.008 mm to -0.018 mm |
| Ring Material | Alloy Steel |
| Shield Material | Steel |
| Static Load Capacity | 1160 lbf. |
| Static Radial Load Capacity | 1160 lbf. |
Shipping Info:
| Ship weight (kg) | 0.01 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Bore Dia. | Outside Dia. | Outer Ring Width | Max. Speed | Dynamic Load Capacity | Static Load Capacity | Max. Temp. | Min. Temp. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
36FF | 6 mm | 19 mm | 6 mm | 50000 RPM | 530 lbf. | 210 lbf. | 212°F | 212°F | - | RFQ
|
![]() |
R10FF | 5/8" | 1 3/8" | 0.343" | 22000 RPM | 1360 lbf. | 731 lbf. | 212°F | 212°F | €78.62 | |
![]() |
R3ZZ | 0.188" | 1/2" | 0.196" | 40000 RPM | 215 lbf. | 110 lbf. | 212°F | 212°F | €70.70 | |
![]() |
R4FF | 1/4" | 5/8" | 0.196" | 44000 RPM | 332 lbf. | 139 lbf. | 212°F | 212°F | €59.83 | |
![]() |
R6FF | 3/8" | 7/8" | 0.281" | 31000 RPM | 746 lbf. | 301 lbf. | 212°F | 212°F | €76.50 | |
![]() |
R12FF | 3/4" | 1 5/8" | 0.437" | 16000 RPM | 2100 lbf. | 1150 lbf. | 230°F | 230°F | €65.37 |
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Contact us
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MRC R4AFF Radial Ball Bearing, R4A, Dbl Shield, 1/4 Inch Bore, 3/4 Inch Od, 0.281 Inch Width
€64.31 /unit


