68491A Franke Slewing Ring Bearings
| Brand Name: | Franke |
| Model Number: | 68491A |
| Series: | HM261000 |
| Cone Part Number: | HM261049H |
| Cup Part Number: | HM261010 |
| Design Units: | Imperial |
| Bearing Weight: | 46.7 Kg |
| Cage Type: | Stamped Steel |
| d: | 333.375 mm |
| D: | 469.900 mm |
Product Details
| Series | HM261000 |
| Cone Part Number | HM261049H |
| Cup Part Number | HM261010 |
| Design Units | Imperial |
| Bearing Weight | 46.7 Kg |
| Cage Type | Stamped Steel |
| d | 333.375 mm |
| D | 469.900 mm |
| B - Cone Width | 90.488 mm |
| C - Cup Width | 71.438 mm |
| B | 90.490 mm |
| R - Cone Backface To Clear Radius1 | 6.35 mm |
| r - Cup Backface To Clear Radius2 | 3.30 mm |
| da - Cone Frontface Backing Diameter | 357.12 mm |
| db - Cone Backface Backing Diameter | 362.97 mm |
| Da - Cup Frontface Backing Diameter | 449.60 mm |
| Db - Cup Backface Backing Diameter | 438.91 mm |
| Ab - Cage-Cone Frontface Clearance | 4.6 mm |
| Aa - Cage-Cone Backface Clearance | 7.1 mm |
| a - Effective Center Location3 | -6.1 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 98500 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 380000 lbf |
| C0 - Static Radial Rating | 691000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 56400 lbf |
| K - Factor7 | 1.74 |
| e - ISO Factor8 | 0.33 |
| Y - ISO Factor9 | 1.79 |
| G1 - Heat Generation Factor (Roller-Raceway) | 3045.1 |
| G2 - Heat Generation Factor (Rib-Roller End) | 299.8 |
| Cg - Geometry Factor | 0.188 |