Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7011 ACE/HCP4A

S7011 ACE/HCP4A

Dimensions

d		55	mm
D		90	mm
B		18	mm
d₁		67.73	mm
d₂		65.6	mm
D₂		80.4	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		26.1	mm

Abutment dimensions

d_a	min.	61	mm
d_a	max.	67.1	mm
d_b	min.	61	mm
d_b	max.	65	mm
D_a	max.	84	mm
D_b	max.	85.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	15.9	kN
Basic static load rating	C₀	11.6	kN
Fatigue load limit	P_u	0.49	kN
Attainable speed for grease lubrication		23000	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	140	N
Static axial stiffness, preload class A		128	N/µm
Preload class B	G_B	430	N
Static axial stiffness, preload class B		193	N/µm
Preload class C	G_C	860	N
Static axial stiffness, preload class C		251	N/µm
Calculation factors
Calculation factor	f	1.07
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.03
Calculation factor	f_2C	1.06
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

0.37

Model Number: S7011 ACE/HCP4A
Inner Diameter：55mm Outer Diameter：90mm Width：18mm
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:engine,pipe fittings Steel industry,Other Machine Tools,sawing machine,extruder,turret industry,medical treatment,Doppler,Sensors,equipment,Cutting Machine
Similar models:7011 CE/HCP4AH1 7011 ACB/P4A 7011 CE/P4AL1 7011 CB/HCP4A S7011 ACE/P4A 7011 ACD/HCP4AH1 7011 ACB/P4AL 7011 ACB/HCP4A 7011 CE/HCP4A 7011 CB/HCP4AL
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