68749A Franke Slewing Ring Bearings
| Brand Name: | Franke |
| Model Number: | 68749A |
| Series: | 220000 |
| Cone Part Number: | EE221018 |
| Cup Part Number: | 221575 |
| Design Units: | Imperial |
| Bearing Weight: | 27.1 Kg |
| Cage Type: | Stamped Steel |
| d: | 258.763 mm |
| D: | 400.050 mm |
Product Details
| Series | 220000 |
| Cone Part Number | EE221018 |
| Cup Part Number | 221575 |
| Design Units | Imperial |
| Bearing Weight | 27.1 Kg |
| Cage Type | Stamped Steel |
| d | 258.763 mm |
| D | 400.050 mm |
| B - Cone Width | 67.470 mm |
| C - Cup Width | 46.038 mm |
| B | 69.850 mm |
| R - Cone Backface To Clear Radius1 | 9.650 mm |
| r - Cup Backface To Clear Radius2 | 6.35 mm |
| da - Cone Frontface Backing Diameter | 278.89 mm |
| db - Cone Backface Backing Diameter | 294.89 mm |
| Da - Cup Frontface Backing Diameter | 372.10 mm |
| Db - Cup Backface Backing Diameter | 366.01 mm |
| Ab - Cage-Cone Frontface Clearance | 6.9 mm |
| Aa - Cage-Cone Backface Clearance | 13.5 mm |
| a - Effective Center Location3 | 0.8 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 55300 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 213000 lbf |
| C0 - Static Radial Rating | 326000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 37400 lbf |
| K - Factor7 | 1.48 |
| e - ISO Factor8 | 0.39 |
| Y - ISO Factor9 | 1.52 |
| G1 - Heat Generation Factor (Roller-Raceway) | 1320.8 |
| G2 - Heat Generation Factor (Rib-Roller End) | 207.5 |
| Cg - Geometry Factor | 0.15 |