75FC554 KOYO Four-row cylindrical roller bearings
| Brand Name: | KOYO |
| Model Number: | 75FC554 |
| Series: | HM231100 |
| Cone Part Number: | HM231132 |
| Cup Part Number: | HM231115 |
| Design Units: | Imperial |
| Bearing Weight: | 10.5 Kg |
| Cage Type: | Stamped Steel |
| d: | 139.700 mm |
| D: | 241.300 mm |
Product Details
| Series | HM231100 |
| Cone Part Number | HM231132 |
| Cup Part Number | HM231115 |
| Design Units | Imperial |
| Bearing Weight | 10.5 Kg |
| Cage Type | Stamped Steel |
| d | 139.700 mm |
| D | 241.300 mm |
| B - Cone Width | 56.642 mm |
| C - Cup Width | 44.450 mm |
| B | 57.150 mm |
| R - Cone Backface To Clear Radius1 | 3.560 mm |
| r - Cup Backface To Clear Radius2 | 3.30 mm |
| da - Cone Frontface Backing Diameter | 155.96 mm |
| db - Cone Backface Backing Diameter | 160.02 mm |
| Da - Cup Frontface Backing Diameter | 224.54 mm |
| Db - Cup Backface Backing Diameter | 218.95 mm |
| Ab - Cage-Cone Frontface Clearance | 4.8 mm |
| Aa - Cage-Cone Backface Clearance | 3.6 mm |
| a - Effective Center Location3 | -11.4 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 34800 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 134000 lbf |
| C0 - Static Radial Rating | 210000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 19000 lbf |
| K - Factor7 | 1.83 |
| e - ISO Factor8 | 0.32 |
| Y - ISO Factor9 | 1.88 |
| G1 - Heat Generation Factor (Roller-Raceway) | 533 |
| G2 - Heat Generation Factor (Rib-Roller End) | 85.9 |
| Cg - Geometry Factor | 0.133 |
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