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

7020 ACE/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		41.4	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	42.3	kN
Basic static load rating	C₀	38	kN
Fatigue load limit	P_u	1.43	kN
Attainable speed for grease lubrication		12700	r/min
Attainable speed for oil-air lubrication		20000	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	390	N
Static axial stiffness, preload class A		245	N/µm
Preload class B	G_B	1150	N
Static axial stiffness, preload class B		366	N/µm
Preload class C	G_C	2310	N
Static axial stiffness, preload class C		483	N/µm
Calculation factors
Calculation factor	f	1.12
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.03
Calculation factor	f_2C	1.06
Calculation factor	f_HC	1.01
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

1.12

Model Number: 7020 ACE/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：2026-06-24
Application:food testing,trolley,circulating pump,Gear grinding machine,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,Industrial,lifting chain,non-motor vehicle Electric car,Hydraulic Equipment,sewage pump,atomizer class
Similar models:7020 ACD/HCP4AH1 7020 CE/HCP4A S7020 CE/P4A 7020 CD/P4A 7020 ACD/P4AL 7020 CB/HCP4AL S7020 CB/P4A 7020 CE/HCP4AL 7020 ACB/HCP4A 7020 ACB/HCP4AL
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Model No. Inner Diameter Outer Diameter Width Type

470376
7013 CE/P4AL
NJ 330 ECM
OKC 690
S7010 FW/HC

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

Hot number： 130x160x15 HMSA10 RG 180x210x15 HMS5 V 22313 E/VA405 2305 M 25x48x8 CRW1 V 32932 6003 6209 627-Z 7011 CE/P4AL1 FYR 2 7/16 OKCX 730 NUP 311 ECM OKF 410 PRM 161820

Model No.	Inner Diameter	Outer Diameter	Width	Type
470376
7013 CE/P4AL
NJ 330 ECM
OKC 690
S7010 FW/HC