Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7011 CB/HCP4A

7011 CB/HCP4A

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		18.8	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	18.6	kN
Basic static load rating	C₀	19	kN
Fatigue load limit	P_u	0.465	kN
Attainable speed for grease lubrication		26000	r/min
Attainable speed for oil-air lubrication		40000	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	46	N
Static axial stiffness, preload class A		43	N/µm
Preload class B	G_B	92	N
Static axial stiffness, preload class B		56	N/µm
Preload class C	G_C	275	N
Static axial stiffness, preload class C		88	N/µm
Calculation factors
Calculation factor	f	1.06
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.05
Calculation factor	f_HC	1.01
Calculation factor	f₀	9.7

Mass

Mass bearing

0.4

Model Number: 7011 CB/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：2026-04-16
Application:Liposuction device,Gripper Swing,sample cup,enzyme,fabric products,medical treatment,Polymer,storage and transportation equipment,forklift industry,electrostatic protection,Industrial
Similar models:7011 ACB/P4A 7011 CB/P4A 7011 ACE/P4AL S7011 ACD/HCP4A 7011 CB/HCP4AL 7011 ACE/P4A 7011 ACB/HCP4A 7011 CB/HCP4A 7011 CD/HCP4AL 7011 CB/P4AL
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Model No.	Inner Diameter	Outer Diameter	Width	Type
414002	1270	-	-	Seals
50x80x8 HMS5 V	50	80	8	Seals
6009 NR	45	75	16	Bearings, units and housings
6307 N	35	80	21	Bearings, units and housings
71911 CD/P4AL	55	80	13	Bearings, units and housings
7416 GAM	80	200	48	Bearings, units and housings
7443	19.05	31.75	6.35	Seals
891/950 M	950	1120	103	Bearings, units and housings
NJ 2313 ECML	65	140	48	Bearings, units and housings
NU 219 ECML	95	170	32	Bearings, units and housings
SSAFS 22538 x 7	177.8	-	-	Bearings, units and housings
W 638/3 R-2RS1	3	7	3	Bearings, units and housings

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Hot number： 22610 28x47x10 HMSA10 RG 414002 417506 55x80x8 CRW1 V 6006/HC5C3 6203-RSL 6307/HR11TN 89948 AOH 241/800 G FSAF 22613 x 2.1/8 TLC GAC 90 F SAKAC 25 M SD 40x47x4 SNP 3180x14.15/16