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

S7020 ACB/P4A

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		41.4	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	35.8	kN
Basic static load rating	C₀	42.5	kN
Fatigue load limit	P_u	0.98	kN
Attainable speed for grease lubrication		10000	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	262	N
Static axial stiffness, preload class A		152	N/µm
Preload class B	G_B	330	N
Static axial stiffness, preload class B		194	N/µm
Preload class C	G_C	990	N
Static axial stiffness, preload class C		294	N/µm
Calculation factors
Calculation factor	f	1.08
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.01
Calculation factor	f_2C	1.04
Calculation factor	f_HC	1
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

1.36

Model Number: S7020 ACB/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：2026-04-16
Application:reinforced machinery,Industrial Electromechanical,rolling machine,Body shaping,ventilation fans,Grinding and polishing equipment,roller lathe,Dental Equipment,car and accessories,other rubber,enzyme
Similar models:7020 ACB/P4AL S7020 CB/P4A 7020 ACE/P4AL 7020 CB/HCP4A 7020 ACE/HCP4A S7020 ACE/HCP4A 7020 CD/P4A 7020 CB/P4A 7020 CD/P4AL 7020 ACD/HCP4AH1
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90849	-	-	25.4	Seals
9681	24.6126	46.43	7.95	Seals
C 2211 KV	55	100	25	Bearings, units and housings
OH 31/850 H	800	1060	536	Bearings, units and housings
PBMF 708560 M1G1	70	85	60	Bearings, units and housings
S71904 CE/P4A	20	37	9	Bearings, units and housings
SI 35 ESX-2LS	35	-	25	Bearings, units and housings
W 61800	10	19	5	Bearings, units and housings

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