| 出生地 |
Chongqing China (Mainland) |
| 模式的数量 |
SF520 3rd & 4th gear |
| 牌子的名字 |
XIAYI |
| 标准或Nonstandard |
标准 |
PART NAME: SF5203rd & 4thgearPART NUMBER: 1701214Modulem2.753Teeth numberZ2920Tooth profileα20°20°Helix angleβ24° right hand20° right handShifting coefficientx0.1260.135Addendum Circle Diameterda93.49770.65Accuracy grade GB/T10095-2001/8