Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7020 CD/P4A

S7020 CD/P4A

Dimensions

d		100	mm
D		150	mm
B		24	mm
d₁		115.4	mm
d₂		115.4	mm
D₂		138.17	mm
r_1,2	min.	1.5	mm
r_3,4	min.	1	mm
a		28.8	mm

Abutment dimensions

d_a	min.	107	mm
d_a	max.	114.8	mm
d_b	min.	107	mm
d_b	max.	114.8	mm
D_a	max.	143	mm
D_b	max.	146	mm
r_a	max.	1.5	mm
r_b	max.	1	mm

Calculation data

Basic dynamic load rating	C	83.2	kN
Basic static load rating	C₀	85	kN
Fatigue load limit	P_u	3.2	kN
Attainable speed for grease lubrication		8500	r/min
Ball diameter	D_w	15.875	mm
Number of balls	z	22
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	310	N
Static axial stiffness, preload class A		112	N/µm
Preload class B	G_B	620	N
Static axial stiffness, preload class B		153	N/µm
Preload class C	G_C	1240	N
Static axial stiffness, preload class C		215	N/µm
Preload class D	G_D	2480	N
Static axial stiffness, preload class D		312	N/µm
Calculation factors
Calculation factor	f	1.16
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.05
Calculation factor	f_2D	1.09
Calculation factor	f_HC	1
Calculation factor	f₀	15.8

Mass

Mass bearing

1.27

Model Number: S7020 CD/P4A
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:Solenoid Valves,knitted fabrics,Switch,leather processing,equipment,electromagnetic clutch,wheel lathe,extruder,chuck industry,Microwave Equipment,hydraulic actuator
Similar models:S7020 ACB/P4A 7020 CD/P4AH1 7020 CB/P4AL 7020 ACB/HCP4A 7020 ACD/P4AL S7020 ACE/HCP4A 7020 CB/HCP4A 7020 ACE/HCP4AL 7020 CD/P4A 7020 ACE/P4A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1925250	488.95	527.05	19.05	Seals
310 NR	50	110	27	Bearings, units and housings
313499 B	571.1	812.97	-	Bearings, units and housings
6306/HR22T2	30	72	19	Bearings, units and housings
7008 CE/HCP4AH1	40	68	15	Bearings, units and housings
940 VRME R	900	-	-	Seals
C 4034 V	170	260	90	Bearings, units and housings
OKCX 730	730		-
NNU 4168 M/W33	340	580	243	Bearings, units and housings
NU 424 M	120	310	72	Bearings, units and housings
OKCX 140	140		-
WS 81214	70		8	Bearings, units and housings

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