9129521 HITACHI Turntable bearings for EX400
| Brand Name |
HITACHI |
| Model Number |
9129521 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Details
| Series | M667900 |
| Cone Part Number | M667948 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 661000 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 171000 lbf |
| d | 16.1250 in |
| B - Cone Width | 3.4375 in |
| R - Cone Backface To Clear Radius3 | 0.25 in |
| da - Cone Frontface Backing Diameter | 16.97 in |
| db - Cone Backface Backing Diameter | 17.32 in |
| Ab - Cage-Cone Frontface Clearance | 0.19 in |
| Aa - Cage-Cone Backface Clearance | 0.33 in |
| a - Effective Center Location4 | 0.7 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 98500 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 380000 lbf |
| C0 - Static Radial Rating | 768000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 70400 lbf |
| K - Factor8 | 1.4 |
| G1 - Heat Generation Factor (Roller-Raceway) | 4197.4 |
| G2 - Heat Generation Factor (Rib-Roller End) | 453.5 |
| Cg - Geometry Factor | 0.223 |
