Komatsu Size Chart (mm/inches) |
|---|
| Series | 55000 |
| Cone Part Number | 55175 |
| Cup Part Number | 55444D |
| Design Units | Imperial |
| Bearing Weight | 6.42 lb |
| Cage Type | Stamped Steel |
| Ab - Cage-Cone Frontface Clearance | 0.16 in |
| d | 1.7500 in |
| D | 4.4375 in |
| B - Cone Width | 1.0594 in |
| C - Double Cup Width | 1.8125 in |
| T - Bearing Width across Cones | 2.5624 in |
| R - Cone Backface To Clear Radius1 | 0.14 in |
| r - Cup Frontface To Clear Radius2 | 0.06 in |
| db - Cone Backface Backing Diameter | 2.64 in |
| Da - Cup Frontface Backing Diameter | 4.15 in |
| Aa - Cage-Cone Backface Clearance | 0.16 in |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 | 7350 lbf |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 | 49400 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 | 12800 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 11100 lbf |
| K - Factor7 | 0.66 |
| e - ISO Factor8 | 0.88 |
| Y1 - ISO Factor9 | 0.76 |
| Y2 - ISO Factor10 | 1.14 |
| G1 - Heat Generation Factor (Roller-Raceway)11 | 36.8 |
| G2 - Heat Generation Factor (Rib-Roller End) | 13.2 |
| Cg - Geometry Factor12 | 0.109 |