105 mm x 260 mm x 60 mm NSK NJ 421 cylindrical roller bearings
| Brand Name |
NSK |
| Model Number |
NJ 421 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
NSK NJ 421 bearing Size Chart (mm/inches) |
|---|
| Series | HM237500 |
| Cone Part Number | HM237545 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 382000 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 99100 lbf |
| d | 7.0000 in |
| B - Cone Width | 2.5 in |
| R - Cone Backface To Clear Radius3 | 0.280 in |
| da - Cone Frontface Backing Diameter | 7.64 in |
| db - Cone Backface Backing Diameter | 8.07 in |
| Ab - Cage-Cone Frontface Clearance | 0.2 in |
| Aa - Cage-Cone Backface Clearance | 0.2 in |
| a - Effective Center Location4 | -0.46 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 56900 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 219000 lbf |
| C0 - Static Radial Rating | 278000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 31100 lbf |
| K - Factor8 | 1.83 |
| G1 - Heat Generation Factor (Roller-Raceway) | 751.2 |
| G2 - Heat Generation Factor (Rib-Roller End) | 101.5 |
| Cg - Geometry Factor | 0.117 |