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 |