Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7012 CB/P4AL

7012 CB/P4AL

Dimensions

d		60	mm
D		95	mm
B		18	mm
d₁		73.18	mm
d₂		71.65	mm
D₂		84.39	mm
b		2.2	mm
C₁		9	mm
C₂		4.3	mm
C₃		2.8	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		19.5	mm

Abutment dimensions

d_a	min.	66	mm
d_b	min.	66	mm
D_a	max.	89	mm
D_b	max.	91.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		74.2	mm

Calculation data

Basic dynamic load rating	C	19.5	kN
Basic static load rating	C₀	20	kN
Fatigue load limit	P_u	0.51	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	28
Reference grease quantity	G_ref	5.03	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	48	N
Static axial stiffness, preload class A		41	N/µm
Preload class B	G_B	96	N
Static axial stiffness, preload class B		54	N/µm
Preload class C	G_C	290	N
Static axial stiffness, preload class C		86	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

0.45

Model Number: 7012 CB/P4AL
Inner Diameter：60mm Outer Diameter：95mm 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:blood cell reagent,lifting chain,tire industry,Spectrum Products,pressure control valve,Pneumatic Actuator,walking Food processing machinery and equipment,Industrial equipment,surgical instruments,decoration machinery,office equipment
Similar models:7012 ACE/HCP4AH1 7012 ACE/HCP4AL 7012 ACD/HCP4AL 7012 ACE/HCP4A 7012 ACD/P4A S7012 CE/P4A 7012 CD/HCP4A S7012 CB/P4A 7012 ACD/P4AL S7012 CD/HCP4A
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