SKF S71905CD/HCP4A Angular contact ball bearings,SKF S71905 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 S71905 CD/HCP4A

S71905 CD/HCP4A

Dimensions
d 25mm
D 42mm
B 9mm
d1 30.6mm
d2 30.6mm
D2 39.15mm
r1,2min.0.3mm
r3,4min.0.2mm
a 9mm
Abutment dimensions
damin.27mm
damax.30.1mm
dbmin.27mm
dbmax.30.1mm
Damax.40mm
Dbmax.40.6mm
ramax.0.3mm
rbmax.0.2mm
Calculation data
Basic dynamic load ratingC 6.76kN
Basic static load ratingC0 4kN
Fatigue load limitPu 0.17kN
Attainable speed for grease lubrication  45000r/min
Ball diameterDw 4.762mm
Number of ballsz 18 
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 25N
Static axial stiffness, preload class A  27N/µm
Preload class BGB 50N
Static axial stiffness, preload class B  36N/µm
Preload class CGC 100N
Static axial stiffness, preload class C  49N/µm
Preload class DGD 200N
Static axial stiffness, preload class D  69N/µm
Calculation factors
Calculation factorf 1.07 
Calculation factorf1 1 
Calculation factorf2A 1 
Calculation factorf2B 1.07 
Calculation factorf2C 1.12 
Calculation factorf2D 1.18 
Calculation factorfHC 1.04 
Calculation factorf0 10.2 
Mass
Mass bearing  0.038kg
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Hot number: 32926 65x80x8 CRW1 R 7007 CD/P4A 707 ACE/P4AH H 2318 KRV 19 NATV 30 NJ 416 NUP 209 ECM PCM 606540 E SAF 22617 x 2.7/8 SAF 23038 KAT x 6.15/16 SAFS 22520 x 3.5/16 SD 17x23x3 WS 81212

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