Features:
1) Material: chrome steel and carbon steel
2) Inch series and metric series
3) With a low friction coefficient and high-limiting speed
4) Main products:
a) Standard sizes: MR series, 603-609, 623-629, 634-638, 6000-6030, 6200-6230, 6300-6330, 6403-6416, R2-R24, 1601-1657, 16001-16020
b) Non-standard sizes: according to your requirements