SIGMA 81109 thrust roller bearings
| Brand Name: | SIGMA |
| Model Number: | 81109 |
| Series: | 22000 |
| Cone Part Number: | 22168 |
| Cup Part Number: | 22325 |
| Design Units: | Imperial |
| Bearing Weight: | 0.4 Kg |
| Cage Type: | Stamped Steel |
| d: | 42.863 mm |
| D: | 82.550 mm |
| PDF |
81109 |
Product Details
| Series | 22000 |
| Cone Part Number | 22168 |
| Cup Part Number | 22325 |
| Design Units | Imperial |
| Bearing Weight | 0.4 Kg |
| Cage Type | Stamped Steel |
| d | 42.863 mm |
| D | 82.550 mm |
| B - Cone Width | 19.837 mm |
| C - Cup Width | 15.080 mm |
| B | 19.842 mm |
| R - Cone Backface To Clear Radius1 | 2.290 mm |
| r - Cup Backface To Clear Radius2 | 1.52 mm |
| da - Cone Frontface Backing Diameter | 48.51 mm |
| db - Cone Backface Backing Diameter | 52.07 mm |
| Da - Cup Frontface Backing Diameter | 76.96 mm |
| Db - Cup Backface Backing Diameter | 72.90 mm |
| Ab - Cage-Cone Frontface Clearance | 2.5 mm |
| Aa - Cage-Cone Backface Clearance | 0.5 mm |
| a - Effective Center Location3 | -2.5 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 4510 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 17400 lbf |
| C0 - Static Radial Rating | 16500 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 3320 lbf |
| K - Factor7 | 1.36 |
| e - ISO Factor8 | 0.43 |
| Y - ISO Factor9 | 1.39 |
| G1 - Heat Generation Factor (Roller-Raceway) | 23.7 |
| G2 - Heat Generation Factor (Rib-Roller End) | 14.4 |
| Cg - Geometry Factor | 0.0758 |
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