68/85 KOYO Single-row deep groove ball bearings
| Brand Name: | KOYO |
| Model Number: | 68/85 |
| Series: | 37000 |
| Cone Part Number: | 37431A |
| Design Units: | Imperial |
| Cage Type: | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: | 53400 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: | 13900 lbf |
| d: | 4.3125 in |
| B - Cone Width: | 0.8440 in |
Product Details
| Series | 37000 |
| Cone Part Number | 37431A |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 53400 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 13900 lbf |
| d | 4.3125 in |
| B - Cone Width | 0.8440 in |
| R - Cone Backface To Clear Radius3 | 0.2 in |
| da - Cone Frontface Backing Diameter | 4.61 in |
| db - Cone Backface Backing Diameter | 4.96 in |
| Ab - Cage-Cone Frontface Clearance | 0.15 in |
| Aa - Cage-Cone Backface Clearance | 0.08 in |
| a - Effective Center Location4 | 0.54 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 7960 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 30700 lbf |
| C0 - Static Radial Rating | 40100 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 8250 lbf |
| K - Factor8 | 0.96 |
| G1 - Heat Generation Factor (Roller-Raceway) | 123.7 |
| G2 - Heat Generation Factor (Rib-Roller End) | 57.1 |
| Cg - Geometry Factor | 0.144 |
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