Toyana 78225/78551 tapered roller bearings
| Brand Name: | Toyana |
| Model Number: | 78225/78551 |
| Series: | HH926700 |
| Cone Part Number: | HH926749 |
| Cup Part Number: | HH926716 |
| Design Units: | Imperial |
| Bearing Weight: | 22.4 Kg |
| Cage Type: | Stamped Steel |
| d: | 120.650 mm |
| D: | 279.400 mm |
Product Details
| Series | HH926700 |
| Cone Part Number | HH926749 |
| Cup Part Number | HH926716 |
| Design Units | Imperial |
| Bearing Weight | 22.4 Kg |
| Cage Type | Stamped Steel |
| d | 120.650 mm |
| D | 279.400 mm |
| B - Cone Width | 82.550 mm |
| C - Cup Width | 53.975 mm |
| B | 82.553 mm |
| R - Cone Backface To Clear Radius1 | 6.35 mm |
| r - Cup Backface To Clear Radius2 | 6.35 mm |
| da - Cone Frontface Backing Diameter | 147.32 mm |
| db - Cone Backface Backing Diameter | 167.89 mm |
| Da - Cup Frontface Backing Diameter | 254.00 mm |
| Db - Cup Backface Backing Diameter | 232.92 mm |
| Ab - Cage-Cone Frontface Clearance | 5.1 mm |
| Aa - Cage-Cone Backface Clearance | 14.2 mm |
| a - Effective Center Location3 | -6.6 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 62100 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 240000 lbf |
| C0 - Static Radial Rating | 243000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 67200 lbf |
| K - Factor7 | 0.92 |
| e - ISO Factor8 | 0.63 |
| Y - ISO Factor9 | 0.95 |
| G1 - Heat Generation Factor (Roller-Raceway) | 384.1 |
| G2 - Heat Generation Factor (Rib-Roller End) | 37.8 |
| Cg - Geometry Factor | 0.147 |
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