6864 KOYO Single-row deep groove ball bearings
| Brand Name: | KOYO |
| Model Number: | 6864 |
| Series: | LL778100 |
| Cone Part Number: | LL778149 |
| Cup Part Number: | LL778110 |
| Design Units: | Imperial |
| Bearing Weight: | 28.900 Kg |
| Cage Type: | Stamped Steel |
| d: | 584.200 mm |
| D: | 685.800 mm |
| PDF |
6864 |
Product Details
| Series | LL778100 |
| Cone Part Number | LL778149 |
| Cup Part Number | LL778110 |
| Design Units | Imperial |
| Bearing Weight | 28.900 Kg |
| Cage Type | Stamped Steel |
| d | 584.200 mm |
| D | 685.800 mm |
| B - Cone Width | 49.213 mm |
| C - Cup Width | 34.925 mm |
| B | 49.213 mm |
| R - Cone Backface To Clear Radius1 | 3.560 mm |
| r - Cup Backface To Clear Radius2 | 3.30 mm |
| da - Cone Frontface Backing Diameter | 599.95 mm |
| db - Cone Backface Backing Diameter | 603 mm |
| Da - Cup Frontface Backing Diameter | 672.08 mm |
| Db - Cup Backface Backing Diameter | 662.94 mm |
| Ab - Cage-Cone Frontface Clearance | 4.8 mm |
| Aa - Cage-Cone Backface Clearance | 3.6 mm |
| a - Effective Center Location3 | 64.5 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 46500 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 179000 lbf |
| C0 - Static Radial Rating | 513000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 34800 lbf |
| K - Factor7 | 1.34 |
| e - ISO Factor8 | 0.44 |
| Y - ISO Factor9 | 1.37 |
| G1 - Heat Generation Factor (Roller-Raceway) | 5980 |
| G2 - Heat Generation Factor (Rib-Roller End) | 1580 |
| Cg - Geometry Factor | 0.249 |
