74FC52400W KOYO Four-row cylindrical roller bearings
| Brand Name: | KOYO |
| Model Number: | 74FC52400W |
| Series: | 168000 |
| Cone Part Number: | EE168400 |
| Cup Part Number: | 168500 |
| Design Units: | Imperial |
| Bearing Weight: | 266.900 Kg |
| Cage Type: | Pin-Type |
| d: | 1016.000 mm |
| D: | 1270.000 mm |
| PDF |
74FC52400W |
Product Details
| Series | 168000 |
| Cone Part Number | EE168400 |
| Cup Part Number | 168500 |
| Design Units | Imperial |
| Bearing Weight | 266.900 Kg |
| Cage Type | Pin-Type |
| d | 1016.000 mm |
| D | 1270.000 mm |
| B - Cone Width | 101.600 mm |
| C - Cup Width | 66.675 mm |
| B | 101.600 mm |
| R - Cone Backface To Clear Radius1 | 9.650 mm |
| r - Cup Backface To Clear Radius2 | 9.65 mm |
| da - Cone Frontface Backing Diameter | 1055.12 mm |
| db - Cone Backface Backing Diameter | 1070.10 mm |
| Da - Cup Frontface Backing Diameter | 1273.56 mm |
| Db - Cup Backface Backing Diameter | 1210.06 mm |
| Ab - Cage-Cone Frontface Clearance | 4.3 mm |
| Aa - Cage-Cone Backface Clearance | 16 mm |
| a - Effective Center Location3 | 127.8 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 166000 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 640000 lbf |
| C0 - Static Radial Rating | 1800000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 140000 lbf |
| K - Factor7 | 1.19 |
| e - ISO Factor8 | 0.49 |
| Y - ISO Factor9 | 1.22 |
| G1 - Heat Generation Factor (Roller-Raceway) | 22400 |
| G2 - Heat Generation Factor (Rib-Roller End) | 3110.1 |
| Cg - Geometry Factor | 0.402 |
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