KOYO 30210JR tapered roller bearings
QuestionKOYO 30210JR tapered roller bearings ? Find what you need faster by entering X31320XM Cone Part Number Y31320XM Cup Part Number your information 31320X Series .
| Series | 31320X |
| Cone Part Number | X31320XM |
| Cup Part Number | Y31320XM |
| Design Units | METRIC |
| Bearing Weight | 8.76 Kg |
| Cage Type | Stamped Steel |
| d | 100 mm |
| D | 215 mm |
| B – Cone Width | 51 mm |
| C – Cup Width | 35 mm |
| B | 56.5 mm |
| R – Cone Backface To Clear Radius1 | 4 mm |
| r – Cup Backface To Clear Radius2 | 3 mm |
| da – Cone Frontface Backing Diameter | 122.9 mm |
| db – Cone Backface Backing Diameter | 144 mm |
| Da – Cup Frontface Backing Diameter | 202 mm |
| Db – Cup Backface Backing Diameter | 183.9 mm |
| Ab – Cage-Cone Frontface Clearance | 8.6 mm |
| Aa – Cage-Cone Backface Clearance | 9.7 mm |
| a – Effective Center Location3 | 11.4 mm |
| C90 – Dynamic Radial Rating (90 million revolutions)4 | 114000 N |
| C1 – Dynamic Radial Rating (1 million revolutions)5 | 441000 N |
| C0 – Static Radial Rating | 526000 N |
| Ca90 – Dynamic Thrust Rating (90 million revolutions)6 | 161000 N |
| K – Factor7 | 0.71 |
| e – ISO Factor8 | 0.83 |
| Y – ISO Factor9 | 0.73 |
| G1 – Heat Generation Factor (Roller-Raceway) | 196.1 |
| G2 – Heat Generation Factor (Rib-Roller End) | 30.1 |
| Cg – Geometry Factor | 0.12 |
Detailed Parameters
parameter：
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