KOMATSU 312630080 BUCKET Size Chart (mm/inches) |
|---|
| Series | 28500 |
| Cone Part Number | 28584 |
| Cup Part Number | 28521-B |
| Design Units | Imperial |
| Bearing Weight | 1.7 lb |
| Cage Type | Stamped Steel |
| d | 2.0625 in |
| D | 3.6250 in |
| D1 - Flange Outer Diameter | 3.7772 in |
| B - Cone Width | 1.0000 in |
| C - Cup Width | 0.7813 in |
| C1 - Cup Flange Width | 0.1562 in |
| T1 - Bearing Width | 0.9688 in |
| T - Bearing Width to Flange | 0.3437 in |
| R - Cone Backface To Clear Radius1 | 0.14 in |
| r - Cup Backface To Clear Radius2 | 0.030 in |
| da - Cone Frontface Backing Diameter | 2.28 in |
| db - Cone Backface Backing Diameter | 2.56 in |
| Da - Cup Frontface Backing Diameter | 3.54 in |
| Ab - Cage-Cone Frontface Clearance | 0.06 in |
| Aa - Cage-Cone Backface Clearance | 0.04 in |
| a - Effective Center Location3 | -0.19 in |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 5770 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 22200 lbf |
| C0 - Static Radial Rating | 29200 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 3720 lbf |
| K - Factor7 | 1.55 |
| e - ISO Factor8 | 0.38 |
| Y - ISO Factor9 | 1.59 |
| G1 - Heat Generation Factor (Roller-Raceway)10 | 46.4 |
| G2 - Heat Generation Factor (Rib-Roller End) | 22.6 |
| Cg - Geometry Factor11 | 0.0912 |