Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7011 ACB/P4A

7011 ACB/P4A

Dimensions

d		55	mm
D		90	mm
B		18	mm
d₁		68.18	mm
d₂		66.65	mm
D₂		79.39	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		26	mm

Abutment dimensions

d_a	min.	61	mm
d_b	min.	61	mm
D_a	max.	84	mm
D_b	max.	86.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		69.2	mm

Calculation data

Basic dynamic load rating	C	17.8	kN
Basic static load rating	C₀	17.6	kN
Fatigue load limit	P_u	0.44	kN
Attainable speed for grease lubrication		19000	r/min
Attainable speed for oil-air lubrication		30000	r/min
Ball diameter	D_w	6.747	mm
Number of balls	z	26
Reference grease quantity	G_ref	4.69	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	78	N
Static axial stiffness, preload class A		100	N/µm
Preload class B	G_B	155	N
Static axial stiffness, preload class B		128	N/µm
Preload class C	G_C	470	N
Static axial stiffness, preload class C		194	N/µm
Calculation factors
Calculation factor	f	1.06
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.01
Calculation factor	f_2C	1.04
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

0.42

Model Number: 7011 ACB/P4A
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：2026-06-24
Application:linear drive,food / grain / food equipment,Ball screw,tapping machine,plastic rolling,nail products,animal anatomy,insect experimental analysis instrument,steam Hydraulic control element,stirrer,electromagnetic clutch
Similar models:7011 ACE/HCP4AL 7011 CE/P4AL1 7011 ACD/P4AL 7011 CE/P4AL 7011 CD/HCP4AH1 S7011 CD/P4A 7011 ACD/HCP4AL S7011 CE/HCP4A 7011 ACB/P4A S7011 CE/P4A
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Model No. Inner Diameter Outer Diameter Width Type

25580/25520
AOHX 3096 G
BC4B 316515
FYTB 2. RM
W 63802-2RS1

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Hot number： 18666 6001-RSH 71911 CE/P4AL 72x95x10 HMSA10 V 81268 M GEP 340 FS N 11 N 205 ECP NJ 2324 ECM RNU 220 ECJ SAFS 22520 x 3.1/2 T SSAFS 22516 x 2.5/8 T SSAFS 23026 KATLC x 4.7/16 SYFWK 20 LTHR SYK 507

Model No.	Inner Diameter	Outer Diameter	Width	Type
25580/25520
AOHX 3096 G
BC4B 316515
FYTB 2. RM
W 63802-2RS1