SKF 71952ACD/P4A Angular contact ball bearings,SKF 71952 ACD/P4A Super-precision bearings-BEARINGPOWER Co.,Ltd.
Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71952 ACD/P4A

71952 ACD/P4A

Dimensions
d 260mm
D 360mm
B 46mm
d1 291.8mm
d2 291.8mm
D1 328.2mm
r1,2min.2.1mm
r3,4min.1.1mm
a 95.5mm
Abutment dimensions
damin.271mm
dbmin.271mm
Damax.349mm
Dbmax.354mm
ramax.2mm
rbmax.1mm
dn 299.7mm
Calculation data
Basic dynamic load ratingC 265kN
Basic static load ratingC0 400kN
Fatigue load limitPu 9.65kN
Attainable speed for grease lubrication  2800r/min
Attainable speed for oil-air lubrication  4300r/min
Ball diameterDw 30.162mm
Number of ballsz 29 
Reference grease quantityGref 150cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 1650N
Static axial stiffness, preload class A  616N/µm
Preload class BGB 3300N
Static axial stiffness, preload class B  807N/µm
Preload class CGC 6600N
Static axial stiffness, preload class C  1071N/µm
Preload class DGD 13200N
Static axial stiffness, preload class D  1455N/µm
Calculation factors
Calculation factorf 1.24 
Calculation factorf1 0.98 
Calculation factorf2A 1 
Calculation factorf2B 1.04 
Calculation factorf2C 1.08 
Calculation factorf2D 1.14 
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  12.2kg
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Hot number: 17374 20012 231/500 CAK/W33 2470 30238T136/DB 42x65x10 HMS5 RG 71909 ACB/P4A 970 VE R BT4B 334022 E1/C725 HN 4525 NATV 50 PPA NCF 2992 V QJ 336 N2MA S7018 ACB/P4A SAFS 23024 KAT-11 x 4.1/4

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