Model Number: 22312 E Brand Name: HYIB Key Specifications/Special Features: 1) Series: 21300, 22200, 22300, 23100, 23200, 24000, 24100 and 239002) Material of rings and rollers: chrome steel, GCr15 and GCr15SiMn3) Material of cages: brass, steel and nylon4) Precision: P0, P6,P55) Suffixes:a) CA: Integral brass cage, double row symmetrical rollers, inner ring rideb) 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