6,35 mm x 15,875 mm x 4,978 mm NMB RF-4 deep groove ball bearings
6,35 mm x 15,875 mm x 4,978 mm NMB RF-4 deep groove ball bearings with BEARING-SINGAPORE (PTE)LTD. easy-to-use parts graphics, giving you the ability to check parts availability, NMB Bearing pricing, examine remanufactured 6,35 mm x 15,875 mm x 4,978 mm options.
What is RF-4 bearing cross reference？
| Brand Name: | NMB |
| Model Number: | RF-4 |
| Series: | 495 |
| Cone Part Number: | 496P |
| Design Units: | Imperial |
| Cage Type: | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: | 71600 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: | 18600 lbf |
| d: | 3.1875 in |
| B - Cone Width: | 1.1720 in |
Product Details
| Series | 495 |
| Cone Part Number | 496P |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 71600 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 18600 lbf |
| d | 3.1875 in |
| B - Cone Width | 1.1720 in |
| R - Cone Backface To Clear Radius3 | 0.14 in |
| da - Cone Frontface Backing Diameter | 3.5 in |
| db - Cone Backface Backing Diameter | 3.74 in |
| Ab - Cage-Cone Frontface Clearance | 0.12 in |
| Aa - Cage-Cone Backface Clearance | 0.07 in |
| a - Effective Center Location4 | -0.03 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 10700 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 41200 lbf |
| C0 - Static Radial Rating | 48600 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 8120 lbf |
| K - Factor8 | 1.31 |
| G1 - Heat Generation Factor (Roller-Raceway) | 104.6 |
| G2 - Heat Generation Factor (Rib-Roller End) | 29.3 |
| Cg - Geometry Factor | 0.125 |
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