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

S71912 ACE/HCP4A

Dimensions

d		60	mm
D		85	mm
B		13	mm
d₁		67.75	mm
d₂		65.7	mm
D₂		79.7	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_a	max.	67.2	mm
d_b	min.	62	mm
d_b	max.	65.1	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	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
Ball diameter	D_w	7.938	mm
Number of balls	z	23
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: S71912 ACE/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：2021-06-04
Application:Leather Products,Surveying Surveying Instruments,Animal Tracking,storage and transportation equipment,lathe,hydraulic connector,multi-knife lathe,packaging machinery,wall industry,flexible processing,internal combustion engine
Similar models:S71912 CB/P4A 71912 ACB/HCP4A S71912 CB/HCP4A S71912 ACB/P4A 71912 CB/HCP4A 71912 ACB/P4A S71912 CD/HCP4A S71912 ACD/P4A 71912 ACE/P4A 71912 CE/HCP4A
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