NBS RPNA 28/44 needle roller bearings
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
NBS RPNA 28/44 needle roller bearings Size Chart (mm/inches) |
|---|
| Series | 2500 |
| Cone Part Number | 2582 |
| Cup Part Number | 2523-B |
| Design Units | Imperial |
| Bearing Weight | 0.7 lb |
| Cage Type | Stamped Steel |
| d | 1.2500 in |
| D | 2.7500 in |
| D1 - Flange Outer Diameter | 2.9020 in |
| B - Cone Width | 0.9983 in |
| C - Cup Width | 0.7500 in |
| C1 - Cup Flange Width | 0.1560 in |
| T1 - Bearing Width | 0.9378 in |
| T - Bearing Width to Flange | 0.3438 in |
| R - Cone Backface To Clear Radius1 | 0.14 in |
| r - Cup Backface To Clear Radius2 | 0.06 in |
| da - Cone Frontface Backing Diameter | 1.48 in |
| db - Cone Backface Backing Diameter | 1.73 in |
| Da - Cup Frontface Backing Diameter | 2.62 in |
| Ab - Cage-Cone Frontface Clearance | 0.06 in |
| Aa - Cage-Cone Backface Clearance | 0.02 in |
| a - Effective Center Location3 | -0.34 in |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 4880 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 18800 lbf |
| C0 - Static Radial Rating | 21200 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 2280 lbf |
| K - Factor7 | 2.14 |
| e - ISO Factor8 | 0.27 |
| Y - ISO Factor9 | 2.19 |
| G1 - Heat Generation Factor (Roller-Raceway)10 | 23.6 |
| G2 - Heat Generation Factor (Rib-Roller End) | 9.63 |
| Cg - Geometry Factor11 | 0.0656 |