|
|
|
The needle roller bearing ring is generally used as the needle bearing's inner ring,which has the higher manufacturing precison and hardness,made of the GGr15 bearing steel,its hardness is HRC61 ~HRC65.It is often used together with the non-inner ring needle bearings (e.g.Radial needle roller and cage assembies etc.). |
产品加工规格范围
（mm） |
内径尺寸 |
外径尺寸 |
宽度尺寸 |
20 ≤ d ≤ 120 |
25 ≤ D ≤ 140 |
10 ≤ B ≤ 60 |
|
|
