99540/991 NSK Double Row Double Row Bearings
| Brand Name: | NSK |
| Model Number: | 99540/991 |
| Series: | 02800 |
| Cone Part Number: | 02872 |
| Cup Part Number: | 02823D |
| Design Units: | Imperial |
| Bearing Weight: | 2.46 lb |
| Cage Type: | Stamped Steel |
| Ab - Cage-Cone Frontface Clearance: | 0.07 in |
| d: | 1.1250 in |
Product Details
| Series | 02800 |
| Cone Part Number | 02872 |
| Cup Part Number | 02823D |
| Design Units | Imperial |
| Bearing Weight | 2.46 lb |
| Cage Type | Stamped Steel |
| Ab - Cage-Cone Frontface Clearance | 0.07 in |
| d | 1.1250 in |
| D | 3 in |
| B - Cone Width | 0.8750 in |
| C - Double Cup Width | 1.5000 in |
| T - Bearing Width across Cones | 1.8750 in |
| R - Cone Backface To Clear Radius1 | 0.03 in |
| r - Cup Frontface To Clear Radius2 | 0.03 in |
| db - Cone Backface Backing Diameter | 1.48 in |
| Da - Cup Frontface Backing Diameter | 2.80 in |
| Aa - Cage-Cone Backface Clearance | 0.03 in |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 | 3830 lbf |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 | 25700 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 | 6670 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 2980 lbf |
| K - Factor7 | 1.29 |
| e - ISO Factor8 | 0.45 |
| Y1 - ISO Factor9 | 1.49 |
| Y2 - ISO Factor10 | 2.21 |
| G1 - Heat Generation Factor (Roller-Raceway)11 | 20.6 |
| G2 - Heat Generation Factor (Rib-Roller End) | 10.1 |
| Cg - Geometry Factor12 | 0.074 |