Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71936 CD/HCP4AH1

71936 CD/HCP4AH1

Dimensions

d		180	mm
D		250	mm
B		33	mm
d₁		201.6	mm
d₂		201.6	mm
D₁		228.4	mm
K		0.6	mm
C₁		8.6	mm
r_1,2	min.	2	mm
r_3,4	min.	1	mm
a		45.4	mm

Abutment dimensions

d_a	min.	189	mm
d_b	min.	189	mm
D_a	max.	241	mm
D_b	max.	245	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		207.4	mm

Calculation data

Basic dynamic load rating	C	168	kN
Basic static load rating	C₀	212	kN
Fatigue load limit	P_u	6.1	kN
Attainable speed for grease lubrication		6700	r/min
Attainable speed for oil-air lubrication		9500	r/min
Ball diameter	D_w	22.225	mm
Number of balls	z	27
Reference grease quantity	G_ref	54	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	630	N
Static axial stiffness, preload class A		203	N/µm
Preload class B	G_B	1260	N
Static axial stiffness, preload class B		278	N/µm
Preload class C	G_C	2520	N
Static axial stiffness, preload class C		392	N/µm
Preload class D	G_D	5040	N
Static axial stiffness, preload class D		573	N/µm
Calculation factors
Calculation factor	f	1.25
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	16.3

Mass

Mass bearing

3.48

Model Number: 71936 CD/HCP4AH1
Inner Diameter：180mm Outer Diameter：250mm Width：33mm
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：2026-07-26
Application:reducer,universal category,extruder,textile machinery,clean stationery,coal mill,glass,large agricultural machinery,Antenna Potentials,horizontal processing,packaging materials
Similar models:71936 ACD/HCP4AH1 71936 ACD/P4AH1 71936 ACD/P4A 71936 CD/P4A 71936 CD/HCP4A 71936 ACD/HCP4A 71936 CD/HCP4AH1 71936 CD/P4AH1
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Model No. Inner Diameter Outer Diameter Width Type

24028-2CS5/VT143
FNL 518 B
FYR 2 15/16-3
NNCL 4944 CV
PWM 505840

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Hot number： 12x22x7 HMSA10 V 17x29x5 HMSA10 V 314964 6003-RSH 6220 NR 7533 71908 ACB/P4AL 750 VL R FSAF 1311 FY 3/4 FM K 185x195x37 LS 1730 NA 4872 PCZ 4848 M SNL 3048 G

Model No.	Inner Diameter	Outer Diameter	Width	Type
24028-2CS5/VT143
FNL 518 B
FYR 2 15/16-3
NNCL 4944 CV
PWM 505840