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

7011 CB/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		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		22000	r/min
Attainable speed for oil-air lubrication		32000	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		38	N/µm
Preload class B	G_B	92	N
Static axial stiffness, preload class B		50	N/µm
Preload class C	G_C	275	N
Static axial stiffness, preload class C		80	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
Calculation factor	f₀	9.7

Mass

Mass bearing

0.42

Model Number: 7011 CB/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：2025-12-09
Application:set bacteria instrument,pump accessories,economic mold,mathematical instruments,Hydraulic Hose,extruder,medical equipment,cleaning agent,chemical raw materials and reagents,sample cup,Hydraulic Couplings
Similar models:S7011 CB/HCP4A 7011 ACE/HCP4AL 7011 CE/HCP4AH1 S7011 ACD/HCP4A S7011 ACB/P4A 7011 ACD/HCP4AH1 7011 ACE/P4A S7011 ACD/P4A 7011 CD/P4A 7011 ACD/P4AL
BEARING POWER International Trading Co.,Ltd. specialize in 7011CB/P4A products，there is large inventory of SKF 7011 CB/P4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 7011 CB/P4A Which SKF 7011CB/P4A 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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