Toyana NJ19/900 cylindrical roller bearings
| Brand Name: | Toyana |
| Model Number: | NJ19/900 |
| Series: | LM446300 |
| Cone Part Number: | LM446349 |
| Cup Part Number: | LM446310W |
| Design Units: | Imperial |
| Bearing Weight: | 8.7 Kg |
| Cage Type: | Stamped Steel |
| d: | 234.95 mm |
| D: | 311.15 mm |
Product Details
| Series | LM446300 |
| Cone Part Number | LM446349 |
| Cup Part Number | LM446310W |
| Design Units | Imperial |
| Bearing Weight | 8.7 Kg |
| Cage Type | Stamped Steel |
| d | 234.95 mm |
| D | 311.15 mm |
| B - Cone Width | 46.038 mm |
| C - Cup Width | 33.338 mm |
| B | 46.040 mm |
| R - Cone Backface To Clear Radius1 | 3.560 mm |
| r - Cup Backface To Clear Radius2 | 3.30 mm |
| da - Cone Frontface Backing Diameter | 246.13 mm |
| db - Cone Backface Backing Diameter | 251.97 mm |
| Da - Cup Frontface Backing Diameter | 301.00 mm |
| Db - Cup Backface Backing Diameter | 293.88 mm |
| Ab - Cage-Cone Frontface Clearance | 2.5 mm |
| Aa - Cage-Cone Backface Clearance | 4.8 mm |
| a - Effective Center Location3 | 6.6 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 25700 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 99200 lbf |
| C0 - Static Radial Rating | 208000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 15900 lbf |
| K - Factor7 | 1.61 |
| e - ISO Factor8 | 0.36 |
| Y - ISO Factor9 | 1.66 |
| G1 - Heat Generation Factor (Roller-Raceway) | 1008.4 |
| G2 - Heat Generation Factor (Rib-Roller End) | 243.6 |
| Cg - Geometry Factor | 0.133 |
