KOYO UCTU212-700 bearing units
KOYO UCTU212-700 bearing units Deal is your X31308M Cone Part Number source for OEM 31308M Series and accessories. We sell Genuine at Y31308M Cup Part Number discount prices.
| Series | 31308M |
| Cone Part Number | X31308M |
| Cup Part Number | Y31308M |
| Design Units | METRIC |
| Bearing Weight | 0.70 Kg |
| Cage Type | Stamped Steel |
| d | 40 mm |
| D | 90.000 mm |
| B – Cone Width | 23.000 mm |
| C – Cup Width | 17.000 mm |
| B | 25.250 mm |
| R – Cone Backface To Clear Radius1 | 2.030 mm |
| r – Cup Backface To Clear Radius2 | 1.52 mm |
| da – Cone Frontface Backing Diameter | 52.07 mm |
| db – Cone Backface Backing Diameter | 56.90 mm |
| Da – Cup Frontface Backing Diameter | 86.40 mm |
| Db – Cup Backface Backing Diameter | 75.95 mm |
| Ab – Cage-Cone Frontface Clearance | 3.8 mm |
| Aa – Cage-Cone Backface Clearance | 3.3 mm |
| a – Effective Center Location3 | 4.1 mm |
| C90 – Dynamic Radial Rating (90 million revolutions)4 | 26200 N |
| C1 – Dynamic Radial Rating (1 million revolutions)5 | 101000 N |
| C0 – Static Radial Rating | 88100 N |
| Ca90 – Dynamic Thrust Rating (90 million revolutions)6 | 37000 N |
| K – Factor7 | 0.71 |
| e – ISO Factor8 | 0.83 |
| Y – ISO Factor9 | 0.73 |
| G1 – Heat Generation Factor (Roller-Raceway) | 22.9 |
| G2 – Heat Generation Factor (Rib-Roller End) | 10.3 |
| Cg – Geometry Factor | 0.091 |
Detailed Parameters
parameter：
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