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

S71912 ACD/P4A

Dimensions

d		60	mm
D		85	mm
B		13	mm
d₁		67.7	mm
d₂		67.7	mm
D₂		79.56	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		23.5	mm

Abutment dimensions

d_a	min.	64.6	mm
d_a	max.	67.1	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	18.6	kN
Basic static load rating	C₀	14.6	kN
Fatigue load limit	P_u	0.62	kN
Attainable speed for grease lubrication		14000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	24
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	120	N
Static axial stiffness, preload class A		128	N/µm
Preload class B	G_B	240	N
Static axial stiffness, preload class B		166	N/µm
Preload class C	G_C	480	N
Static axial stiffness, preload class C		218	N/µm
Preload class D	G_D	960	N
Static axial stiffness, preload class D		292	N/µm
Calculation factors
Calculation factor	f	1.17
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_2D	1.14
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 ACD/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：2025-12-09
Application:test equipment,inorganic chemical,decoration machinery,garbage disposal,beverage production,Surveying Surveying Instruments,miscellaneous instruments,pneumatic,medical equipment,food add,Spectrum Products
Similar models:71912 CB/HCP4A 71912 CB/P4A 71912 CE/HCP4A 71912 ACE/P4AL S71912 CD/HCP4A S71912 ACE/P4A S71912 CE/P4A 71912 ACD/HCP4AL 71912 ACD/P4AL S71912 ACB/P4A
BEARING POWER International Trading Co.,Ltd. specialize in S71912ACD/P4A products，there is large inventory of SKF S71912 ACD/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 ACD/P4A Which SKF S71912ACD/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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