SKF S7021CD/HCP4A Angular contact ball bearings,SKF S7021 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 S7021 CD/HCP4A

S7021 CD/HCP4A

Dimensions
d 105mm
D 160mm
B 26mm
d1 121.9mm
d2 121.9mm
D2 146.75mm
r1,2min.2mm
r3,4min.1mm
a 30.8mm
Abutment dimensions
damin.114mm
damax.121.3mm
dbmin.114mm
dbmax.121.3mm
Damax.151mm
Dbmax.155mm
ramax.2mm
rbmax.1mm
Calculation data
Basic dynamic load ratingC 95.6kN
Basic static load ratingC0 96.5kN
Fatigue load limitPu 3.6kN
Attainable speed for grease lubrication  10000r/min
Ball diameterDw 17.462mm
Number of ballsz 21 
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 360N
Static axial stiffness, preload class A  129N/µm
Preload class BGB 720N
Static axial stiffness, preload class B  176N/µm
Preload class CGC 1440N
Static axial stiffness, preload class C  248N/µm
Preload class DGD 2880N
Static axial stiffness, preload class D  359N/µm
Calculation factors
Calculation factorf 1.15 
Calculation factorf1 1 
Calculation factorf2A 1 
Calculation factorf2B 1.02 
Calculation factorf2C 1.05 
Calculation factorf2D 1.09 
Calculation factorfHC 1.02 
Calculation factorf0 15.7 
Mass
Mass bearing  1.33kg
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Hot number: 14500 154x175x13 CRSA1 R 15x25x5 HMSA10 RG 26204 34336 61902-2RZ 7007 ACB/HCP4A AH 24130 GS 89432 HK 1814 RS OH 30/950 HE OKCX 880 PCM 283225 E W 619/5-2RZ WS 89415

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