3R8-122N1A Rotek Slewing Ring Bearings
| Brand Name: | Rotek |
| Model Number: | 3R8-122N1A |
| Series: | 385 |
| Cone Part Number: | 385 |
| Design Units: | Imperial |
| Cage Type: | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: | 42200 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: | 10900 lbf |
| d: | 2.1654 in |
| B - Cone Width: | 0.8640 in |
Product Details
| Series | 385 |
| Cone Part Number | 385 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 42200 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 10900 lbf |
| d | 2.1654 in |
| B - Cone Width | 0.8640 in |
| R - Cone Backface To Clear Radius3 | 0.09 in |
| da - Cone Frontface Backing Diameter | 2.4 in |
| db - Cone Backface Backing Diameter | 2.56 in |
| Ab - Cage-Cone Frontface Clearance | 0.11 in |
| Aa - Cage-Cone Backface Clearance | 0.03 in |
| a - Effective Center Location4 | -0.12 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 6280 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 24200 lbf |
| C0 - Static Radial Rating | 24100 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 3810 lbf |
| K - Factor8 | 1.65 |
| G1 - Heat Generation Factor (Roller-Raceway) | 42 |
| G2 - Heat Generation Factor (Rib-Roller End) | 15.7 |
| Cg - Geometry Factor | 0.0859 |
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