CR3634, CR3634A, ID1457,118-1617,188-5272,7G0421,9G8029,76040853,76040948,76090863, 4000300M, 4000300M91, A01060D0S00, A01060D1M00,CR3635, CR3635A, ID1458, 118-1618,7G0423, 9G8034, 76040852, 76040949, 76090855, 4000301M, 4000301M91, B01060D1M00,E AT169468, 24100N10083F1

* 锰钢合金锻造履带滚轮 

* 独特的设计可防止衬套松动

*外径也经过热处理，以获得最大的磨损寿命 

*历经调质，淬火中频，回火等的热处理工艺，保证硬度

* Forged track rollers made of manganese steel alloy

* Unique design prevents bushing loosening

* The outer diameter is also heat treated to obtain maximum wear life

* After heat treatment processes such as quenching and tempering, it's the better to guarantee the hardness .