Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71912 ACE/HCP4AH1

71912 ACE/HCP4AH1

Dimensions

d		60	mm
D		85	mm
B		13	mm
d₁		67.75	mm
d₂		65.7	mm
D₁		77.3	mm
K		0.5	mm
C₁		3.83	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		24.6	mm

Abutment dimensions

d_a	min.	64.6	mm
d_b	min.	62	mm
D_a	max.	80.4	mm
D_b	max.	83	mm
r_a	max.	1	mm
r_b	max.	0.3	mm
d_n		69.6	mm

Calculation data

Basic dynamic load rating	C	15.3	kN
Basic static load rating	C₀	11.2	kN
Fatigue load limit	P_u	0.475	kN
Attainable speed for grease lubrication		23000	r/min
Attainable speed for oil-air lubrication		36000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	23
Reference grease quantity	G_ref	2.5	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	139	N
Static axial stiffness, preload class A		128	N/µm
Preload class B	G_B	418	N
Static axial stiffness, preload class B		193	N/µm
Preload class C	G_C	836	N
Static axial stiffness, preload class C		254	N/µm
Calculation factors
Calculation factor	f	1.13
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_HC	1.01
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

0.16

Model Number: 71912 ACE/HCP4AH1
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:Cutting Machine,garden machinery,Blood coagulation reagent,Grinding and polishing equipment,electronic components,coal,wire industry,motor,marine test,shoe-making machinery,industry test
Similar models:71912 ACD/P4AL S71912 CB/HCP4A S71912 ACE/P4A 71912 ACE/HCP4AL S71912 ACB/P4A 71912 CE/P4AL 71912 ACE/HCP4AH1 71912 CB/HCP4A 71912 ACD/HCP4AL 71912 ACE/P4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71912ACE/HCP4AH1 products，there is large inventory of SKF 71912 ACE/HCP4AH1 Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71912 ACE/HCP4AH1 Which SKF 71912ACE/HCP4AH1 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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