CR4528, CR6832,100-12792,196-9947, 246-0775, 7T9188,9W8705, 76066463, A01089N1M00,3003153, CR2617, CR2617A, CR2617B,118-1623, 124-8250, 125-4178, 323-5925, 3P1520, 3P6062, 4S9050,4S9051, 6T9871,9S0316,4000883M, 4000883M91,CR2615, CR2615A, CR2615B,118-1625, 124-8253, 125-4179, 188-5597, 323-5928, 3P1521, 3P6063,6P9885, 6T9867, 8S2933,9S0317, 4000884M91,B01070A1M00

* 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 .