Features:
1) Series: 21300, 22200, 22300, 23100, 23200, 24000, 24100 and 23900
2) Material of rings and rollers: chrome steel,GCr15 and GCr15SiMn
3) Material of cages: brass, steel and nylon
4) Precision: P0, P6,P5
5) Suffixes:
a) CA: Integral brass cage, double row symmetrical rollers, inner ring ride
b) MA: Integral brass cage, double row symmetrical rollers, outer ring ride
c) MB: Two piece brass cage, double row asymmetrical rollers, inner ring ride
d) CC: Two piece steel cage, double row symmetrical rollers, inner ring ride
e) CTN1: double row symmetrical rollers, nylon cage
f) K: Tapered bore bearing, the taper is 1:12
g) K30: Tapered bore bearing, the taper is 1:30
h) W33: With lubrication groove in outer ring, with three oil holes
i) C2/C3/C4: Internal clearance series: C0, C2, C3, and C4
6) Typical applications: mine, machine,oil field,building industry
