KOYO R15/13 needle roller bearings
KOYO R15/13 needle roller bearings Warehouse offers 74000 Series car parts and car accessories. We sell discount online as well as Imperial Design Units cheap machinery parts.
| Series | 74000 |
| Cone Part Number | 74556 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 138000 lbf |
| C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 35900 lbf |
| d | 5.5108 in |
| B – Cone Width | 1.875 in |
| R – Cone Backface To Clear Radius3 | 0.14 in |
| da – Cone Frontface Backing Diameter | 5.98 in |
| db – Cone Backface Backing Diameter | 6.22 in |
| Ab – Cage-Cone Frontface Clearance | 0.1 in |
| Aa – Cage-Cone Backface Clearance | 0.18 in |
| a – Effective Center Location4 | 0.09 in |
| C90 – Dynamic Radial Rating (90 million revolutions)5 | 20600 lbf |
| C1 – Dynamic Radial Rating (1 million revolutions)6 | 79500 lbf |
| C0 – Static Radial Rating | 138000 lbf |
| Ca90 – Dynamic Thrust Rating (90 million revolutions)7 | 17200 lbf |
| K – Factor8 | 1.2 |
| G1 – Heat Generation Factor (Roller-Raceway) | 362.9 |
| G2 – Heat Generation Factor (Rib-Roller End) | 68.5 |
| Cg – Geometry Factor | 0.134 |
Detailed Parameters
parameter：
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