NTN AS203D1 deep groove ball bearings
We work closely with M249747 Cone Part Number our NTN AS203D1 deep groove ball bearings manufacturing partners to bring the best value to M249700 Series customers.
| Series | M249700 |
| Cone Part Number | M249747 |
| Cup Part Number | M249710X |
| Design Units | Imperial |
| Bearing Weight | 20.80 Kg |
| Cage Type | Stamped Steel |
| d | 257.175 mm |
| D | 358.775 mm |
| B – Cone Width | 76.200 mm |
| C – Cup Width | 53.975 mm |
| B | 71.438 mm |
| R – Cone Backface To Clear Radius1 | 1.520 mm |
| r – Cup Backface To Clear Radius2 | 3.30 mm |
| da – Cone Frontface Backing Diameter | 272.03 mm |
| db – Cone Backface Backing Diameter | 272.03 mm |
| Da – Cup Frontface Backing Diameter | 343.41 mm |
| Db – Cup Backface Backing Diameter | 335.03 mm |
| Ab – Cage-Cone Frontface Clearance | 2.3 mm |
| Aa – Cage-Cone Backface Clearance | 6.1 mm |
| a – Effective Center Location3 | -6.9 mm |
| C90 – Dynamic Radial Rating (90 million revolutions)4 | 48700 lbf |
| C1 – Dynamic Radial Rating (1 million revolutions)5 | 188000 lbf |
| C0 – Static Radial Rating | 366000 lbf |
| Ca90 – Dynamic Thrust Rating (90 million revolutions)6 | 27700 lbf |
| K – Factor7 | 1.76 |
| e – ISO Factor8 | 0.33 |
| Y – ISO Factor9 | 1.8 |
| G1 – Heat Generation Factor (Roller-Raceway) | 1485.4 |
| G2 – Heat Generation Factor (Rib-Roller End) | 158.7 |
| Cg – Geometry Factor | 0.148 |
Detailed Parameters
parameter：
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