NTN NA499 needle roller bearings
NTN NA499 needle roller bearings Warehouse offers car parts and car accessories. We 335 Series sell 333A Cup Part Number discount online as well as cheap machinery parts.
| Series | 335 |
| Cone Part Number | 338 |
| Cup Part Number | 333A |
| Design Units | Imperial |
| Bearing Weight | 0.6 Kg |
| Cage Type | Stamped Steel |
| d | 25.400 mm |
| D | 79.974 mm |
| B – Cone Width | 22.403 mm |
| C – Cup Width | 21.001 mm |
| B | 21.001 mm |
| R – Cone Backface To Clear Radius1 | 0.760 mm |
| r – Cup Backface To Clear Radius2 | 0.76 mm |
| da – Cone Frontface Backing Diameter | 34.54 mm |
| db – Cone Backface Backing Diameter | 35.56 mm |
| Da – Cup Frontface Backing Diameter | 76.96 mm |
| Db – Cup Backface Backing Diameter | 72.90 mm |
| Ab – Cage-Cone Frontface Clearance | 1.8 mm |
| Aa – Cage-Cone Backface Clearance | 0 mm |
| a – Effective Center Location3 | -6.4 mm |
| C90 – Dynamic Radial Rating (90 million revolutions)4 | 4640 lbf |
| C1 – Dynamic Radial Rating (1 million revolutions)5 | 17900 lbf |
| C0 – Static Radial Rating | 18700 lbf |
| Ca90 – Dynamic Thrust Rating (90 million revolutions)6 | 2170 lbf |
| K – Factor7 | 2.14 |
| e – ISO Factor8 | 0.27 |
| Y – ISO Factor9 | 2.2 |
| G1 – Heat Generation Factor (Roller-Raceway) | 26.5 |
| G2 – Heat Generation Factor (Rib-Roller End) | 13 |
| Cg – Geometry Factor | 0.0676 |
Detailed Parameters
parameter：
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