Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7020 CE/HCP4A

7020 CE/HCP4A

Dimensions

d		100	mm
D		150	mm
B		24	mm
d₁		117.38	mm
d₂		114.2	mm
D₁		132.61	mm
r_1,2	min.	1.5	mm
r_3,4	min.	1	mm
a		28.9	mm

Abutment dimensions

d_a	min.	107	mm
d_b	min.	107	mm
D_a	max.	143	mm
D_b	max.	144.4	mm
r_a	max.	1.5	mm
r_b	max.	1	mm
d_n		120.4	mm

Calculation data

Basic dynamic load rating	C	44.9	kN
Basic static load rating	C₀	40	kN
Fatigue load limit	P_u	1.5	kN
Attainable speed for grease lubrication		14500	r/min
Attainable speed for oil-air lubrication		22000	r/min
Ball diameter	D_w	12.7	mm
Number of balls	z	27
Reference grease quantity	G_ref	17	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	240	N
Static axial stiffness, preload class A		97	N/µm
Preload class B	G_B	720	N
Static axial stiffness, preload class B		154	N/µm
Preload class C	G_C	1440	N
Static axial stiffness, preload class C		212	N/µm
Calculation factors
Calculation factor	f	1.12
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.03
Calculation factor	f_2C	1.05
Calculation factor	f_HC	1.01
Calculation factor	f₀	9.5

Mass

Mass bearing

1.12

Model Number: 7020 CE/HCP4A
Inner Diameter：100mm Outer Diameter：150mm Width：24mm
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：2021-06-03
Application:generator,Antenna Potentials,Blood coagulation reagent,Industrial,directional control valve,cleaning agent,suction nozzle,Display Devices,impression material,Equipment,Forging machine
Similar models:7020 ACB/HCP4AL 7020 ACB/P4A S7020 CE/HCP4A S7020 CE/P4A S7020 ACE/HCP4A 7020 CE/P4AH1 7020 CB/HCP4AL S7020 CB/P4A 7020 CD/P4AL 7020 CB/P4AL
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