NACHI BFC204 bearing units
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| Brand Name: | NACHI |
| Model Number: | BFC204 |
| Series: | 18700 |
| Cone Part Number: | 18790 |
| Cup Part Number: | 18721 |
| Design Units: | Imperial |
| Bearing Weight: | 0.30 Kg |
| Cage Type: | Stamped Steel |
| d: | 50.8 mm |
| D: | 83.312 mm |
| PDF |
BFC204 |
Product Details
| Series | 18700 |
| Cone Part Number | 18790 |
| Cup Part Number | 18721 |
| Design Units | Imperial |
| Bearing Weight | 0.30 Kg |
| Cage Type | Stamped Steel |
| d | 50.8 mm |
| D | 83.312 mm |
| B - Cone Width | 17.463 mm |
| C - Cup Width | 13.495 mm |
| B | 17.463 mm |
| R - Cone Backface To Clear Radius1 | 3.560 mm |
| r - Cup Backface To Clear Radius2 | 0.76 mm |
| da - Cone Frontface Backing Diameter | 55.88 mm |
| db - Cone Backface Backing Diameter | 61.98 mm |
| Da - Cup Frontface Backing Diameter | 79.00 mm |
| Db - Cup Backface Backing Diameter | 76.96 mm |
| Ab - Cage-Cone Frontface Clearance | 2.3 mm |
| Aa - Cage-Cone Backface Clearance | 0.5 mm |
| a - Effective Center Location3 | -0.8 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 3190 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 12300 lbf |
| C0 - Static Radial Rating | 15200 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 2210 lbf |
| K - Factor7 | 1.44 |
| e - ISO Factor8 | 0.41 |
| Y - ISO Factor9 | 1.48 |
| G1 - Heat Generation Factor (Roller-Raceway) | 28.6 |
| G2 - Heat Generation Factor (Rib-Roller End) | 21.5 |
| Cg - Geometry Factor | 0.0789 |
