Toyana NP428 cylindrical roller bearings
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What is NP428 bearing interchange？
| Brand Name: | Toyana |
| Model Number: | NP428 |
| Series: | 450000 |
| Cone Part Number: | EE450551 |
| Cup Part Number: | 451212 |
| Design Units: | Imperial |
| Bearing Weight: | 30.400 Kg |
| Cage Type: | Stamped Steel |
| d: | 139.700 mm |
| D: | 307.975 mm |
Product Details
| Series | 450000 |
| Cone Part Number | EE450551 |
| Cup Part Number | 451212 |
| Design Units | Imperial |
| Bearing Weight | 30.400 Kg |
| Cage Type | Stamped Steel |
| d | 139.700 mm |
| D | 307.975 mm |
| B - Cone Width | 93.663 mm |
| C - Cup Width | 61.913 mm |
| B | 88.900 mm |
| R - Cone Backface To Clear Radius1 | 9.650 mm |
| r - Cup Backface To Clear Radius2 | 6.86 mm |
| da - Cone Frontface Backing Diameter | 167.89 mm |
| db - Cone Backface Backing Diameter | 180.09 mm |
| Da - Cup Frontface Backing Diameter | 275.08 mm |
| Db - Cup Backface Backing Diameter | 268.99 mm |
| Ab - Cage-Cone Frontface Clearance | -1.5 mm |
| Aa - Cage-Cone Backface Clearance | 17.3 mm |
| a - Effective Center Location3 | -28.2 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 61400 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 237000 lbf |
| C0 - Static Radial Rating | 333000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 34300 lbf |
| K - Factor7 | 1.79 |
| e - ISO Factor8 | 0.33 |
| Y - ISO Factor9 | 1.84 |
| G1 - Heat Generation Factor (Roller-Raceway) | 747.4 |
| G2 - Heat Generation Factor (Rib-Roller End) | 76.3 |
| Cg - Geometry Factor | 0.118 |
Company Profile
| Worktime |
9:00-18:00(BeiJing time) |
| Phone |
86-13563849567 |
