Timken 498 493D bearing Size Chart (mm/inches) |
|---|
| Series | 31500 |
| Cone Part Number | 31594 |
| Cup Part Number | 31520-B |
| Design Units | Imperial |
| Bearing Weight | 2.1 lb |
| Cage Type | Stamped Steel |
| d | 1.3750 in |
| D | 3 in |
| D1 - Flange Outer Diameter | 3.1836 in |
| B - Cone Width | 1.1250 in |
| C - Cup Width | 0.9375 in |
| C1 - Cup Flange Width | 0.1875 in |
| T1 - Bearing Width | 1.1563 in |
| T - Bearing Width to Flange | 0.4063 in |
| R - Cone Backface To Clear Radius1 | 0.06 in |
| r - Cup Backface To Clear Radius2 | 0.130 in |
| da - Cone Frontface Backing Diameter | 1.71 in |
| db - Cone Backface Backing Diameter | 1.81 in |
| Da - Cup Frontface Backing Diameter | 2.94 in |
| Ab - Cage-Cone Frontface Clearance | 0.08 in |
| Aa - Cage-Cone Backface Clearance | 0.04 in |
| a - Effective Center Location3 | -0.3 in |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 5520 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 21300 lbf |
| C0 - Static Radial Rating | 24100 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 3800 lbf |
| K - Factor7 | 1.45 |
| e - ISO Factor8 | 0.4 |
| Y - ISO Factor9 | 1.49 |
| G1 - Heat Generation Factor (Roller-Raceway)10 | 26.3 |
| G2 - Heat Generation Factor (Rib-Roller End) | 9.08 |
| Cg - Geometry Factor11 | 0.0773 |