NTN 238/850K thrust roller bearings
NTN 238/850K thrust roller bearings Deal is your source for OEM thrust roller bearings and accessories. We sell Genuinethrust roller bearings 200 °C T max. at discount prices. NTN PRECISION AXLE CORP.
What is 238/850K bearing interchange？
| Brand Name: | NTN |
| Model Number: | 238/850K |
| Series: | 18700 |
| Cone Part Number: | 18780 |
| Cup Part Number: | 18723 |
| Design Units: | Imperial |
| Bearing Weight: | 0.5 Kg |
| Cage Type: | Stamped Steel |
| d: | 46.038 mm |
| D: | 88.900 mm |
| PDF |
238/850K |
Product Details
| Series | 18700 |
| Cone Part Number | 18780 |
| Cup Part Number | 18723 |
| Design Units | Imperial |
| Bearing Weight | 0.5 Kg |
| Cage Type | Stamped Steel |
| d | 46.038 mm |
| D | 88.900 mm |
| B - Cone Width | 17.463 mm |
| C - Cup Width | 16.670 mm |
| B | 20.640 mm |
| R - Cone Backface To Clear Radius1 | 2.290 mm |
| r - Cup Backface To Clear Radius2 | 1.27 mm |
| da - Cone Frontface Backing Diameter | 52.07 mm |
| db - Cone Backface Backing Diameter | 55.88 mm |
| Da - Cup Frontface Backing Diameter | 83.06 mm |
| Db - Cup Backface Backing Diameter | 77.98 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) | 23.4 |
| Cg - Geometry Factor | 0.0789 |
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