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

7020 ACD/HCP4A

Dimensions

d		100	mm
D		150	mm
B		24	mm
d₁		115.4	mm
d₂		115.4	mm
D₁		134.6	mm
r_1,2	min.	1.5	mm
r_3,4	min.	1	mm
a		41.3	mm

Abutment dimensions

d_a	min.	107	mm
d_b	min.	107	mm
D_a	max.	143	mm
D_b	max.	146	mm
r_a	max.	1.5	mm
r_b	max.	1	mm
d_n		118.7	mm

Calculation data

Basic dynamic load rating	C	79.3	kN
Basic static load rating	C₀	80	kN
Fatigue load limit	P_u	3.05	kN
Attainable speed for grease lubrication		9500	r/min
Attainable speed for oil-air lubrication		15000	r/min
Ball diameter	D_w	15.875	mm
Number of balls	z	22
Reference grease quantity	G_ref	16.2	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	500	N
Static axial stiffness, preload class A		300	N/µm
Preload class B	G_B	1000	N
Static axial stiffness, preload class B		394	N/µm
Preload class C	G_C	2000	N
Static axial stiffness, preload class C		524	N/µm
Preload class D	G_D	4000	N
Static axial stiffness, preload class D		710	N/µm
Calculation factors
Calculation factor	f	1.16
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.05
Calculation factor	f_2D	1.08
Calculation factor	f_HC	1.02
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

1.05

Model Number: 7020 ACD/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：2026-09-10
Application:internal combustion engine,climb ladder,rehabilitation training equipment,wall industry,Forklift industry,switch,Hydraulic Hose,mathematical instruments,Forming mold,food packaging,vertical pull
Similar models:7020 CB/HCP4A 7020 CE/P4AH1 S7020 CB/HCP4A 7020 ACB/P4AL 7020 CB/P4AL 7020 CD/P4AH1 7020 CE/HCP4A S7020 CE/HCP4A 7020 ACE/HCP4AL 7020 ACE/HCP4AH1
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Model No. Inner Diameter Outer Diameter Width Type

51217
7002 CD/P4AH
71922 ACD/P4AL
FSAF 22518 x 3.1/8 T
HM 31/1060

Purchase the SKF 7020 ACD/HCP4A Please fill in the following

Hot number： 2213 ETN9 230/900 CAK/W33 BD-23948 CCK/W33-OH 3948 H 307 45x62x8 HMS5 RG 6032-Z 6240 M 71908 CE/HCP4AH1 85190 FY 50 LDW FYTJ 45 TF NA 2203.2RSX NU 304 ECP SAF 23056 KA x 9.15/16 W 619/6 X-2RS1

Model No.	Inner Diameter	Outer Diameter	Width	Type
51217
7002 CD/P4AH
71922 ACD/P4AL
FSAF 22518 x 3.1/8 T
HM 31/1060