... reducers include 4 kinds of series: ZDY(single-stage), ZLY(two-stage), ZSY(three-stage), ZFY(four-stage), and 57 kinds of sized, 54 kinds ... gear is grade 6. 4. The running efficiency of each stage is 98%~99%. 5. The reducer can be assembled with ... bearing. Technique parameter: Ratio: Single-stage: 1.25~6.3 Double-stage: 6.3~20 Three-stage: 22.47~100 HS Code: 84834090Trademark ...