21MJ0203惰轮轴-312采煤机惰轮轴等配件，MG2×65/312-WD、 MG2×65/315-W，MG2×65/312-WD（四象线）等机型配件，郑州鸿铭机电设备有限公司致力于鸡西采煤机配件/佳木斯掘进机配件的生产制造，是中原的鸡西采煤机生产加工制造企业 电话:18638520975 QQ: 2930502551李经理 地处全国交通枢纽，发货快，物流便捷
| 21MJ0202-5 | 盖 | Q235 | 2.50 |
| 21MJ0203 | 惰轮轴 | 9.67 | |
| 21MJ0203-1 | 齿轮 | 20CrMnTi | 6.10 |
| 21MJ0203-2 | 距离垫 | 45 | 0.01 |
| 21MJ0203-3 | 距离套 | 45 | 0.59 |
| 21MJ0203-4 | 惰轮轴 | 40CrMo | 1.90 |
| 21MJ0204 | 行星机构 | 245.19 | |
| 21MJ0204-1 | 大齿轮 | 20CrMnTi | 23.40 |
| 21MJ0204-3 | 连接盘 | 45 | 24.00 |
| 21MJ0204-4 | 挡环 | 45 | 0.30 |
| 21MJ0204-5 | 一级齿圈 | 42CrMo | 17.50 |
| 21MJ0204-6 | 一级行星架 | ZG40Cr | 23.00 |
| 21MJ0204-7 | 连接座 | 45 | 7.55 |
| 21MJ0204-8 | 二级行星架 | ZG40Cr | 29.00 |
| 21MJ0204-9 | 二级齿圈 | 42CrMo | 35.50 |
| 21MJ0204-10 | 连接座 | 45 | 14.50 |
| 21MJ0204-11A | 销 | 42CrMo | 0.20 |
| 21MJ0204-13 | 二级太阳轮 | 18Cr2Ni4WA | 4.60 |
| 21MJ0204-15 | 套 | 45 | 0.60 |
| 21MJ0204-16 | 销轴 | 40CrMnMo | 2.50 |
| 21MJ0204-17 | 距离套 | 45 | 0.04 |
| 21MJ0204-18 | 二级行星轮 | 18Cr2Ni4WA | 5.20 |
| 21MJ0204-19 | 距离套 | 45 | 0.04 |
| 21MJ0205 | 三轴 | 116.31 | |
| 21MJ0205-1 | 轴 | 30CrMnTi | 47.50 |
| 21MJ0205-2 | 盖 | 35 | 13.20 |
| 21MJ0205-3 | 套 | 45 | 4.30 |
| 21MJ0205-4 | 销轨轮 | 18Cr2Ni4WA | 26.50 |
| 21MJ0205-5 | 压盖 | 45 | 2.20 |
| 21MJ0206 | 油针 | 0.14 | |
| 21MJ0206-1 | 杆 | Q235 | 0.09 |
| 21MJ0207 | 四轴 | 3.23 | |
| 21MJ0207-1 | 盖板 | Q235 | 0.97 |
| 21MJ0207-2 | 轴 | 45 | 0.66 |
| 21MJ0207-3 | 齿轮 | 40Cr | 0.88 |
| 21MJ0207-4 | 距离套 | 35 | 0.03 |
| 21MJ0207-5 | 密封座 | 45 | 0.11 |
| 21MJ020701 | 位置传感器 | 0.07 | |
| 21MJ020701-1 | 壳 | Q235 | 0.80 |
