SKF 7222CD/HCP4A Angular contact ball bearings,SKF 7222 CD/HCP4A Super-precision bearings-BEARINGPOWER Co.,Ltd.
Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7222 CD/HCP4A

7222 CD/HCP4A

Dimensions
d 110mm
D 200mm
B 38mm
d1 138.7mm
d2 138.7mm
D1 171.3mm
r1,2min.2.1mm
r3,4min.1.1mm
a 39.9mm
Abutment dimensions
damin.122mm
dbmin.122mm
Damax.188mm
Dbmax.193mm
ramax.2mm
rbmax.1mm
dn 145.9mm
Calculation data
Basic dynamic load ratingC 178kN
Basic static load ratingC0 166kN
Fatigue load limitPu 5.6kN
Attainable speed for grease lubrication  8500r/min
Attainable speed for oil-air lubrication  13000r/min
Ball diameterDw 26.988mm
Number of ballsz 16 
Reference grease quantityGref 54.15cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 670N
Static axial stiffness, preload class A  150N/µm
Preload class BGB 1340N
Static axial stiffness, preload class B  203N/µm
Preload class CGC 2680N
Static axial stiffness, preload class C  282N/µm
Preload class DGD 5360N
Static axial stiffness, preload class D  404N/µm
Calculation factors
Calculation factorf 1.08 
Calculation factorf1 1 
Calculation factorf2A 1 
Calculation factorf2B 1.01 
Calculation factorf2C 1.03 
Calculation factorf2D 1.06 
Calculation factorfHC 1.01 
Calculation factorf0 14.7 
Mass
Mass bearing  3.86kg
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Hot number: 310-2Z 47896/47820 51202 537/532 X 6219-2RS1 LM 806649/610 NJ 2211 ECPH NKX 25 NNU 41/1000 K30M/W33 NU 309 ECML NUP 312 ECJ PL 850 W 61709-2RS1 W 61914-2RS1 Z 203 F

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