Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71936 ACD/HCP4A

71936 ACD/HCP4A

Dimensions

d		180	mm
D		250	mm
B		33	mm
d₁		201.6	mm
d₂		201.6	mm
D₁		228.4	mm
r_1,2	min.	2	mm
r_3,4	min.	1	mm
a		66.8	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	159	kN
Basic static load rating	C₀	200	kN
Fatigue load limit	P_u	5.85	kN
Attainable speed for grease lubrication		5600	r/min
Attainable speed for oil-air lubrication		8500	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	1000	N
Static axial stiffness, preload class A		491	N/µm
Preload class B	G_B	2000	N
Static axial stiffness, preload class B		645	N/µm
Preload class C	G_C	4000	N
Static axial stiffness, preload class C		859	N/µm
Preload class D	G_D	8000	N
Static axial stiffness, preload class D		1172	N/µm
Calculation factors
Calculation factor	f	1.25
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.17
Calculation factor	f_HC	1.04
Calculation factor	e	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

3.48

Model Number: 71936 ACD/HCP4A
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：2026-06-24
Application:Industrial,car instrument,Other Machine Tools,Leather Products,Automation,joint protection,other processing,lifting equipment Hoisting hoist,Spectrum Products,pneumatic Pump,molding machine
Similar models:71936 ACD/P4A 71936 ACD/HCP4AH1 71936 CD/P4AH1 71936 CD/HCP4A 71936 ACD/P4AH1 71936 CD/P4A 71936 ACD/HCP4A 71936 CD/HCP4AH1
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Model No. Inner Diameter Outer Diameter Width Type

52x80x10 HMS5 V
61932
BTM 160 AM/P4CDB
HE 308
PWKR 80.2RS

Purchase the SKF 71936 ACD/HCP4A Please fill in the following

Hot number： 32244T248/DB 358060 40x60x8 CRW1 R 6200-Z FY 506 M BT1-8010/HA4 ECW 208 NNCF 4834 CV SAF 22544 x 8 PFT 1.1/2 FM PPM 121412 SAFS 22528 x 4.7/8 SSAFS 22526 x 4.1/2 T SYFWK 1.1/4 ALTHR W 636-2Z

Model No.	Inner Diameter	Outer Diameter	Width	Type
52x80x10 HMS5 V
61932
BTM 160 AM/P4CDB
HE 308
PWKR 80.2RS