Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71932 CD/HCP4A

71932 CD/HCP4A

Dimensions

d		160	mm
D		220	mm
B		28	mm
d₁		178.5	mm
d₂		178.5	mm
D₁		201.5	mm
r_1,2	min.	2	mm
r_3,4	min.	1	mm
a		39.6	mm

Abutment dimensions

d_a	min.	169	mm
d_b	min.	169	mm
D_a	max.	211	mm
D_b	max.	215	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		183.5	mm

Calculation data

Basic dynamic load rating	C	130	kN
Basic static load rating	C₀	160	kN
Fatigue load limit	P_u	5	kN
Attainable speed for grease lubrication		7500	r/min
Attainable speed for oil-air lubrication		11000	r/min
Ball diameter	D_w	19.05	mm
Number of balls	z	28
Reference grease quantity	G_ref	33	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	490	N
Static axial stiffness, preload class A		184	N/µm
Preload class B	G_B	980	N
Static axial stiffness, preload class B		252	N/µm
Preload class C	G_C	1960	N
Static axial stiffness, preload class C		357	N/µm
Preload class D	G_D	3920	N
Static axial stiffness, preload class D		523	N/µm
Calculation factors
Calculation factor	f	1.27
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.18
Calculation factor	f_HC	1.04
Calculation factor	f₀	16.4

Mass

Mass bearing

2.23

Model Number: 71932 CD/HCP4A
Inner Diameter：160mm Outer Diameter：220mm Width：28mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Angular contact ball bearings Angular contact ball bearings, super-precision
Details： Angular contact ball bearings, super-precision
Update date：2026-04-17
Application:electric hydraulic lifting platform,Optical Instruments,Die,spectrometer,Sensors,chemical,Individual Wire,Display Devices,trolley,internal combustion engine,non-ferrous metal alloy
Similar models:71932 ACD/HCP4AL 71932 CD/HCP4AL 71932 CD/HCP4A 71932 CD/P4AL 71932 CD/HCP4AH1 71932 ACD/P4A 71932 ACD/P4AH1 71932 ACD/HCP4AH1 71932 CD/P4AH1
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