4CR950A KOYO Four-row cylindrical roller bearings
| Brand Name: | KOYO |
| Model Number: | 4CR950A |
| Series: | HM237500 |
| Cone Part Number: | HM237540 |
| Cup Part Number: | HM237511 |
| Design Units: | Imperial |
| Bearing Weight: | 16 Kg |
| Cage Type: | Stamped Steel |
| d: | 171.450 mm |
| D: | 288.925 mm |
| PDF |
4CR950A |
Product Details
| Series | HM237500 |
| Cone Part Number | HM237540 |
| Cup Part Number | HM237511 |
| Design Units | Imperial |
| Bearing Weight | 16 Kg |
| Cage Type | Stamped Steel |
| d | 171.450 mm |
| D | 288.925 mm |
| B - Cone Width | 63.5 mm |
| C - Cup Width | 47.625 mm |
| B | 63.505 mm |
| R - Cone Backface To Clear Radius1 | 7.110 mm |
| r - Cup Backface To Clear Radius2 | 3.30 mm |
| da - Cone Frontface Backing Diameter | 188.98 mm |
| db - Cone Backface Backing Diameter | 199.9 mm |
| Da - Cup Frontface Backing Diameter | 271.30 mm |
| Db - Cup Backface Backing Diameter | 265.94 mm |
| Ab - Cage-Cone Frontface Clearance | 5.1 mm |
| Aa - Cage-Cone Backface Clearance | 5.1 mm |
| a - Effective Center Location3 | -11.7 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 56900 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 219000 lbf |
| C0 - Static Radial Rating | 278000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 31100 lbf |
| K - Factor7 | 1.83 |
| e - ISO Factor8 | 0.32 |
| Y - ISO Factor9 | 1.88 |
| G1 - Heat Generation Factor (Roller-Raceway) | 751.2 |
| G2 - Heat Generation Factor (Rib-Roller End) | 101.5 |
| Cg - Geometry Factor | 0.117 |
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