SKF S7028CD/HCP4A Angular contact ball bearings,SKF S7028 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 S7028 CD/HCP4A

S7028 CD/HCP4A

Dimensions
d 140mm
D 210mm
B 33mm
d1 161.6mm
d2 161.6mm
D2 193.1mm
r1,2min.2mm
r3,4min.1mm
a 40.1mm
Abutment dimensions
damin.149mm
damax.161mm
dbmin.149mm
dbmax.161mm
Damax.201mm
Dbmax.205mm
ramax.2mm
rbmax.1mm
Calculation data
Basic dynamic load ratingC 153kN
Basic static load ratingC0 166kN
Fatigue load limitPu 5.3kN
Attainable speed for grease lubrication  7500r/min
Ball diameterDw 22.225mm
Number of ballsz 22 
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 570N
Static axial stiffness, preload class A  168N/µm
Preload class BGB 1140N
Static axial stiffness, preload class B  228N/µm
Preload class CGC 2280N
Static axial stiffness, preload class C  320N/µm
Preload class DGD 4560N
Static axial stiffness, preload class D  464N/µm
Calculation factors
Calculation factorf 1.16 
Calculation factorf1 1 
Calculation factorf2A 1 
Calculation factorf2B 1.02 
Calculation factorf2C 1.05 
Calculation factorf2D 1.09 
Calculation factorfHC 1.02 
Calculation factorf0 15.8 
Mass
Mass bearing  2.85kg
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Hot number： 110x140x12 HMSA10 V 22314 E/VA405 BD-230/560 CAK/W33-OH 30/560 H 415503 6334 7014 CD/P4AL 7021 CD/HCP4A 99141 FSAF 1516 FYR 3 1/2 NUP 2216 ECM NUP 306 ECM SAFS 22516-11 x 2.3/4 T SY 1.1/4 FM W 634 R-2Z

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