Komatsu 21N-30-11530 Protector
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
Komatsu 21N-30-11530 Protector Size Chart (mm/inches) |
|---|
| Series | 28000 |
| Cone Part Number | 28137 |
| Cup Part Number | 28314XD |
| Design Units | Imperial |
| Bearing Weight | 2.3 lb |
| Cage Type | Stamped Steel |
| Ab - Cage-Cone Frontface Clearance | 0.07 in |
| d | 1.3750 in |
| D | 3.1510 in |
| B - Cone Width | 0.8244 in |
| C - Double Cup Width | 1.3750 in |
| T - Bearing Width across Cones | 1.8126 in |
| R - Cone Backface To Clear Radius1 | 0.06 in |
| r - Cup Frontface To Clear Radius2 | 0.03 in |
| db - Cone Backface Backing Diameter | 1.71 in |
| Da - Cup Frontface Backing Diameter | 2.91 in |
| Aa - Cage-Cone Backface Clearance | 0.06 in |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 | 4390 lbf |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 | 29500 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 | 7640 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 3020 lbf |
| K - Factor7 | 1.45 |
| e - ISO Factor8 | 0.4 |
| Y1 - ISO Factor9 | 1.68 |
| Y2 - ISO Factor10 | 2.5 |
| G1 - Heat Generation Factor (Roller-Raceway)11 | 20.7 |
| G2 - Heat Generation Factor (Rib-Roller End) | 12.5 |
| Cg - Geometry Factor12 | 0.0709 |