M4-38P4 Rotek Slewing Ring Bearings
| Brand Name: | Rotek |
| Model Number: | M4-38P4 |
| Series: | HM266400 |
| Cone Part Number: | HM266444WS |
| Cup Part Number: | HM266410 |
| Design Units: | Imperial |
| Bearing Weight: | 77.6 Kg |
| Cage Type: | Stamped Steel |
| d: | 377.825 mm |
| D: | 546.100 mm |
Product Details
| Series | HM266400 |
| Cone Part Number | HM266444WS |
| Cup Part Number | HM266410 |
| Design Units | Imperial |
| Bearing Weight | 77.6 Kg |
| Cage Type | Stamped Steel |
| d | 377.825 mm |
| D | 546.100 mm |
| B - Cone Width | 104.775 mm |
| C - Cup Width | 82.550 mm |
| B | 104.778 mm |
| R - Cone Backface To Clear Radius1 | 6.35 mm |
| r - Cup Backface To Clear Radius2 | 6.35 mm |
| da - Cone Frontface Backing Diameter | 403.10 mm |
| db - Cone Backface Backing Diameter | 411.99 mm |
| Da - Cup Frontface Backing Diameter | 521.97 mm |
| Db - Cup Backface Backing Diameter | 506.98 mm |
| Ab - Cage-Cone Frontface Clearance | 7.1 mm |
| Aa - Cage-Cone Backface Clearance | 9.1 mm |
| a - Effective Center Location3 | -7.1 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 145000 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 557000 lbf |
| C0 - Static Radial Rating | 946000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 82300 lbf |
| K - Factor7 | 1.76 |
| e - ISO Factor8 | 0.33 |
| Y - ISO Factor9 | 1.8 |
| G1 - Heat Generation Factor (Roller-Raceway) | 4383.4 |
| G2 - Heat Generation Factor (Rib-Roller End) | 278.7 |
| Cg - Geometry Factor | 0.212 |
