INA BCH912 needle roller bearings
INA BCH912 needle roller bearings Manufacturers LM742700 Series Imperial Design Units , Online Wholesale Suppliers ! LM742749 Cone Part Number
| Series | LM742700 |
| Cone Part Number | LM742749 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 168000 lbf |
| C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 43600 lbf |
| d | 8.5000 in |
| B – Cone Width | 1.8125 in |
| R – Cone Backface To Clear Radius3 | 0.14 in |
| da – Cone Frontface Backing Diameter | 8.94 in |
| db – Cone Backface Backing Diameter | 9.17 in |
| Ab – Cage-Cone Frontface Clearance | 0.12 in |
| Aa – Cage-Cone Backface Clearance | 0.18 in |
| a – Effective Center Location4 | 0.56 in |
| C90 – Dynamic Radial Rating (90 million revolutions)5 | 25000 lbf |
| C1 – Dynamic Radial Rating (1 million revolutions)6 | 96600 lbf |
| C0 – Static Radial Rating | 200000 lbf |
| Ca90 – Dynamic Thrust Rating (90 million revolutions)7 | 20600 lbf |
| K – Factor8 | 1.21 |
| G1 – Heat Generation Factor (Roller-Raceway) | 867 |
| G2 – Heat Generation Factor (Rib-Roller End) | 225 |
| Cg – Geometry Factor | 0.139 |
Detailed Parameters
parameter：
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