AISI 52100/ GCr15/ 100C6/ SUJ2/ Wks 1.3505
2. Size Range
length is 3~10 times of the diameter(normally not more than 5mm)
NRA or NRB ZB optional
(a) The rollers are thin and long like needles ,length is 3~10 times of the diameter(normally not more than 5mm)
(b) It is mainly used in needle roller bearing, which has compact radial structure, high load bearing capacity, and low cost.
Needle roller bearing