68522A Franke Slewing Ring Bearings
| Brand Name: | Franke |
| Model Number: | 68522A |
| Series: | 78000C |
| Cone Part Number: | 78215C |
| Cup Part Number: | 78549D |
| Design Units: | Imperial |
| Bearing Weight: | 12.31 lb |
| Cage Type: | Stamped Steel |
| Ab - Cage-Cone Frontface Clearance: | 0.21 in |
| d: | 2.1250 in |
Product Details
| Series | 78000C |
| Cone Part Number | 78215C |
| Cup Part Number | 78549D |
| Design Units | Imperial |
| Bearing Weight | 12.31 lb |
| Cage Type | Stamped Steel |
| Ab - Cage-Cone Frontface Clearance | 0.21 in |
| d | 2.1250 in |
| D | 5.5000 in |
| B - Cone Width | 1.3085 in |
| C - Double Cup Width | 2.0395 in |
| T - Bearing Width across Cones | 3.0625 in |
| R - Cone Backface To Clear Radius1 | 0.14 in |
| r - Cup Frontface To Clear Radius2 | 0.06 in |
| db - Cone Backface Backing Diameter | 3.31 in |
| Da - Cup Frontface Backing Diameter | 5.19 in |
| Aa - Cage-Cone Backface Clearance | 0.22 in |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 | 13800 lbf |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 | 92600 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 | 24000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 20400 lbf |
| K - Factor7 | 0.67 |
| e - ISO Factor8 | 0.87 |
| Y1 - ISO Factor9 | 0.78 |
| Y2 - ISO Factor10 | 1.16 |
| G1 - Heat Generation Factor (Roller-Raceway)11 | 71.3 |
| G2 - Heat Generation Factor (Rib-Roller End) | 17.6 |
| Cg - Geometry Factor12 | 0.0926 |