34FC25168 KOYO Four-row cylindrical roller bearings
| Brand Name: | KOYO |
| Model Number: | 34FC25168 |
| Series: | 990000 |
| Cone Part Number: | EE991251 |
| Cup Part Number: | 992550 |
| Design Units: | Imperial |
| Bearing Weight: | 184.800 Kg |
| Cage Type: | Pin-Type |
| d: | 317.500 mm |
| D: | 647.700 mm |
| PDF |
34FC25168 |
Product Details
| Series | 990000 |
| Cone Part Number | EE991251 |
| Cup Part Number | 992550 |
| Design Units | Imperial |
| Bearing Weight | 184.800 Kg |
| Cage Type | Pin-Type |
| d | 317.500 mm |
| D | 647.700 mm |
| B - Cone Width | 120.650 mm |
| C - Cup Width | 88.900 mm |
| B | 139.700 mm |
| R - Cone Backface To Clear Radius1 | 13.460 mm |
| r - Cup Backface To Clear Radius2 | 13.46 mm |
| da - Cone Frontface Backing Diameter | 371.09 mm |
| db - Cone Backface Backing Diameter | 393.95 mm |
| Da - Cup Frontface Backing Diameter | 594.11 mm |
| Db - Cup Backface Backing Diameter | 546.10 mm |
| Ab - Cage-Cone Frontface Clearance | 23.37 mm |
| Aa - Cage-Cone Backface Clearance | 25.65 mm |
| a - Effective Center Location3 | 55.1 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 137000 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 528000 lbf |
| C0 - Static Radial Rating | 790000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 203000 lbf |
| K - Factor7 | 0.67 |
| e - ISO Factor8 | 0.87 |
| Y - ISO Factor9 | 0.69 |
| G1 - Heat Generation Factor (Roller-Raceway) | 2353.6 |
| G2 - Heat Generation Factor (Rib-Roller End) | 161.7 |
| Cg - Geometry Factor | 0.23 |
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