4CR92 KOYO Four-row cylindrical roller bearings
| Brand Name: | KOYO |
| Model Number: | 4CR92 |
| Series: | 620000 |
| Cone Part Number: | EE620100 |
| Cup Part Number: | 620220 |
| Design Units: | Imperial |
| Bearing Weight: | 126.900 Kg |
| Cage Type: | Pin-Type |
| d: | 254.000 mm |
| D: | 558.800 mm |
Product Details
| Series | 620000 |
| Cone Part Number | EE620100 |
| Cup Part Number | 620220 |
| Design Units | Imperial |
| Bearing Weight | 126.900 Kg |
| Cage Type | Pin-Type |
| d | 254.000 mm |
| D | 558.800 mm |
| B - Cone Width | 104.775 mm |
| C - Cup Width | 69.850 mm |
| B | 123.825 mm |
| R - Cone Backface To Clear Radius1 | 7.870 mm |
| r - Cup Backface To Clear Radius2 | 7.87 mm |
| da - Cone Frontface Backing Diameter | 308.10 mm |
| db - Cone Backface Backing Diameter | 316.99 mm |
| Da - Cup Frontface Backing Diameter | 502.41 mm |
| Db - Cup Backface Backing Diameter | 477.01 mm |
| Ab - Cage-Cone Frontface Clearance | 18.3 mm |
| Aa - Cage-Cone Backface Clearance | 24.1 mm |
| a - Effective Center Location3 | 48.8 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 105000 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 404000 lbf |
| C0 - Static Radial Rating | 603000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 155000 lbf |
| K - Factor7 | 0.67 |
| e - ISO Factor8 | 0.87 |
| Y - ISO Factor9 | 0.69 |
| G1 - Heat Generation Factor (Roller-Raceway) | 1730 |
| G2 - Heat Generation Factor (Rib-Roller End) | 165.3 |
| Cg - Geometry Factor | 0.208 |
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