Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71912 ACB/P4A

S71912 ACB/P4A

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		27.2	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	13.3	kN
Basic static load rating	C₀	13.4	kN
Fatigue load limit	P_u	0.355	kN
Attainable speed for grease lubrication		19000	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	57	N
Static axial stiffness, preload class A		94	N/µm
Preload class B	G_B	115	N
Static axial stiffness, preload class B		122	N/µm
Preload class C	G_C	340	N
Static axial stiffness, preload class C		182	N/µm
Calculation factors
Calculation factor	f	1.11
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.07
Calculation factor	f_HC	1
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

0.2

Model Number: S71912 ACB/P4A
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：2026-04-16
Application:enzyme,Optical detection,hanging clamp,Microwave Equipment,Storage Device,nail products,Display Devices,large agricultural machinery,water,medical equipment,rubber products machinery and equipment
Similar models:71912 CE/HCP4AH1 71912 ACE/P4AL S71912 ACB/P4A S71912 CB/HCP4A 71912 CD/P4AL 71912 ACE/P4A 71912 CD/P4A 71912 ACB/P4AL 71912 ACD/HCP4AL S71912 ACE/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in S71912ACB/P4A products，there is large inventory of SKF S71912 ACB/P4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the S71912 ACB/P4A Which SKF S71912ACB/P4A is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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