Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71912 CB/HCP4A

S71912 CB/HCP4A

Dimensions

d		60	mm
D		85	mm
B		13	mm
d₁		68.94	mm
d₂		67.73	mm
D₂		78.36	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		19.5	mm

Abutment dimensions

d_a	min.	64.6	mm
d_a	max.	68.3	mm
d_b	min.	64.6	mm
d_b	max.	67.1	mm
D_a	max.	80.4	mm
D_b	max.	83	mm
r_a	max.	1	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	14	kN
Basic static load rating	C₀	14.6	kN
Fatigue load limit	P_u	0.375	kN
Attainable speed for grease lubrication		26000	r/min
Ball diameter	D_w	5.556	mm
Number of balls	z	30
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	34	N
Static axial stiffness, preload class A		40	N/µm
Preload class B	G_B	68	N
Static axial stiffness, preload class B		53	N/µm
Preload class C	G_C	205	N
Static axial stiffness, preload class C		85	N/µm
Calculation factors
Calculation factor	f	1.11
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.03
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1.01
Calculation factor	f₀	9.8

Mass

Mass bearing

0.19

Model Number: S71912 CB/HCP4A
Inner Diameter：60mm Outer Diameter：85mm Width：13mm
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:container finishing,food packaging,Animal Tracking,plastic rolling,noise reduction equipment,molding machine,respirator,Insect Capture,Safety protection,other rubber,packing equipment
Similar models:71912 ACE/P4A 71912 CB/P4AL 71912 ACD/P4AL 71912 CD/P4A 71912 CD/HCP4A S71912 ACE/P4A 71912 ACB/P4AL 71912 ACB/P4A 71912 ACE/P4AL 71912 ACE/P4AH1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
11164	28.575	45.24	6.35	Seals
14968	38.1	57.4	10.31	Seals
40x55x10 CRS1 R	40	55	10	Seals
6009/HR11TN	45	75	16	Bearings, units and housings
71908 ACE/HCP4A	40	62	12	Bearings, units and housings
99193	49.2252	56.3626	17.4752	Seals
950x980x18 HDS1 R	950	980	18	Seals
FYR 2 7/16-18	61.9125	-	-	Bearings, units and housings
GEP 950 FS	950	1360	635	Bearings, units and housings
HA 3130	131.7625	195	111	Bearings, units and housings
NU 2215 ECML	75	130	31	Bearings, units and housings
OKC 780	780		-

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Hot number： 239/1180 CAKF/W33 50655 660x724x25 HDS1 R 7003 ACD/HCP4A 730 VE R C 3092 M NJ 2213 ECML NJ 2312 ECPH NNCF 5056 CV NUTR 1542 A PSM 101610 A51 SAFS 22216-11 TLC SYR 1 3/4-3 SSAFS 22224 SSAFS 22520 x 3.1/2 TLC