68/71 KOYO Single-row deep groove ball bearings
| Brand Name: | KOYO |
| Model Number: | 68/71 |
| Series: | 16900 |
| Cone Part Number: | 16986 |
| Cup Part Number: | 16929 |
| Design Units: | Imperial |
| Bearing Weight: | 0.4 Kg |
| Cage Type: | Stamped Steel |
| d: | 42.987 mm |
| D: | 74.988 mm |
Product Details
| Series | 16900 |
| Cone Part Number | 16986 |
| Cup Part Number | 16929 |
| Design Units | Imperial |
| Bearing Weight | 0.4 Kg |
| Cage Type | Stamped Steel |
| d | 42.987 mm |
| D | 74.988 mm |
| B - Cone Width | 19.837 mm |
| C - Cup Width | 14.288 mm |
| B | 19.368 mm |
| R - Cone Backface To Clear Radius1 | 1.520 mm |
| r - Cup Backface To Clear Radius2 | 1.27 mm |
| da - Cone Frontface Backing Diameter | 48.51 mm |
| db - Cone Backface Backing Diameter | 51.05 mm |
| Da - Cup Frontface Backing Diameter | 71.88 mm |
| Db - Cup Backface Backing Diameter | 68.07 mm |
| Ab - Cage-Cone Frontface Clearance | 1.5 mm |
| Aa - Cage-Cone Backface Clearance | 0.3 mm |
| a - Effective Center Location3 | -2 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 3470 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 13400 lbf |
| C0 - Static Radial Rating | 16500 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 2640 lbf |
| K - Factor7 | 1.31 |
| e - ISO Factor8 | 0.44 |
| Y - ISO Factor9 | 1.35 |
| G1 - Heat Generation Factor (Roller-Raceway) | 25.1 |
| G2 - Heat Generation Factor (Rib-Roller End) | 17.4 |
| Cg - Geometry Factor | 0.0783 |
