Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7020 CB/HCP4A

S7020 CB/HCP4A

Dimensions

d		100	mm
D		150	mm
B		24	mm
d₁		118.7	mm
d₂		116.15	mm
D₂		135	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_a	max.	117.9	mm
d_b	min.	107	mm
d_b	max.	115.4	mm
D_a	max.	143	mm
D_b	max.	145.4	mm
r_a	max.	1.5	mm
r_b	max.	1	mm

Calculation data

Basic dynamic load rating	C	37.7	kN
Basic static load rating	C₀	45.5	kN
Fatigue load limit	P_u	1.02	kN
Attainable speed for grease lubrication		13000	r/min
Ball diameter	D_w	10.319	mm
Number of balls	z	27
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	96	N
Static axial stiffness, preload class A		65	N/µm
Preload class B	G_B	190	N
Static axial stiffness, preload class B		84	N/µm
Preload class C	G_C	570	N
Static axial stiffness, preload class C		133	N/µm
Calculation factors
Calculation factor	f	1.08
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	9.8

Mass

Mass bearing

1.29

Model Number: S7020 CB/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：2025-12-09
Application:marine test,Laser Cutting,joint protection,Animal Tracking,glass processing machine,Broadcasting System,shaft milling machine,water protection,mechanical and electrical,hydraulic pump,Forging machine
Similar models:7020 CD/HCP4AH1 S7020 ACE/HCP4A S7020 ACB/P4A 7020 ACE/P4AH1 7020 CD/P4AL 7020 ACE/HCP4AH1 S7020 CD/P4A S7020 CB/P4A 7020 CE/HCP4AL 7020 ACB/HCP4AL
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OKF 670	670	1410	-
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