31308+31308产品参数
- 型号
- 31308+31308轴承
- pKeywords
- 31308_31308
- 内圈
- 31308
- 外圈
- 31308
- 隔圈
-
- d
- 40
- D
- 90
- T
- 25.25
- B
- 23
- C
- 17
- m
- 0.72
- a(2)
- 4.1
- C1
- 79000
- e
- 0.83
- Y
- 0.73
- C90
- 20500
- Ca90
- 28900
- Ca90(2)
-
- K
- 0.71
- Co
- 88100
- 备注
- R(4):2/da:52/db:61/r3:1.5/Da:86/Db:76-Aa:4.1/Ab:3.1
- 系数
- G1:22.9/G2:9.14/Gg:0.091
men who have affairs
link redirect
how many abortions can a woman have
click surgical abortion