SKF 7012ACE/P4AH1 Angular contact ball bearings,SKF 7012 ACE/P4AH1 Super-precision bearings-BEARINGPOWER Co.,Ltd.
Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7012 ACE/P4AH1

7012 ACE/P4AH1

Dimensions
d 60mm
D 95mm
B 18mm
d1 72.74mm
d2 70.6mm
D1 82.22mm
K 0.5mm
C1 6.3mm
r1,2min.1.1mm
r3,4min.0.6mm
a 27.3mm
Abutment dimensions
damin.66mm
dbmin.66mm
Damax.89mm
Dbmax.90.8mm
ramax.1mm
rbmax.0.6mm
dn 74.6mm
Calculation data
Basic dynamic load ratingC 16.3kN
Basic static load ratingC0 12.2kN
Fatigue load limitPu 0.52kN
Attainable speed for grease lubrication  18000r/min
Attainable speed for oil-air lubrication  28000r/min
Ball diameterDw 7.938mm
Number of ballsz 25 
Reference grease quantityGref 5.3cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 150N
Static axial stiffness, preload class A  122N/µm
Preload class BGB 440N
Static axial stiffness, preload class B  180N/µm
Preload class CGC 870N
Static axial stiffness, preload class C  235N/µm
Calculation factors
Calculation factorf 1.08 
Calculation factorf1 0.99 
Calculation factorf2A 1 
Calculation factorf2B 1.03 
Calculation factorf2C 1.06 
Calculation factorfHC 1 
Calculation factore 0.68 
Calculation factor (single, tandem)Y2 0.87 
Calculation factor (single, tandem)Y0 0.38 
Calculation factor (single, tandem)X2 0.41 
Calculation factor (back-to-back, face-to-face)Y1 0.92 
Calculation factor (back-to-back, face-to-face)Y2 1.41 
Calculation factor (back-to-back, face-to-face)Y0 0.76 
Calculation factor (back-to-back, face-to-face)X2 0.67 
Mass
Mass bearing  0.42kg
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Hot number: 314517 A 4010 48x68x10 HMSA10 RG 55x90x8 CRW1 R 71922 CB/HCP4AL BK 4020 HA 3036 E N 1019 KTNHA/SP NCF 2936 CV NK 40/30 RN-2x13.8 BF/G2 S7011 ACB/P4A SAF 22609 x 1.3/8 T SSAFS 22520 x 3.5/16 SSAFS 23024 KAT x 4.1/4

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