Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7020 CD/P4A

7020 CD/P4A

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		28.8	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	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
Attainable speed for oil-air lubrication		14000	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	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

1.26

Model Number: 7020 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：2024-12-13
Application:Gear grinding machine,defogging and degreasing,Industrial,circulating pump,test equipment,metallurgy,Pest Monitoring,office equipment,comprehensive experiment,hydraulic cylinder buffer,wall materials
Similar models:7020 ACB/HCP4AL 7020 ACD/HCP4A 7020 CB/P4AL 7020 CD/HCP4AH1 S7020 ACB/P4A 7020 ACE/HCP4AH1 S7020 CB/P4A 7020 ACB/P4AL 7020 ACB/HCP4A 7020 ACD/HCP4AL
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KMT 20	32	-	100	Bearings, units and housings
SD 40x47x4	40	47	4	Seals
SNL 3192 G	460	-	-	Bearings, units and housings

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Hot number： 10158 31135 32011 X/DF 6216 7417 BAGAMC 99273 AOH 3260 G N 1019 KTN9/HC5SP HME 31/850 MB 3 SAF 1313 T SAF 22522 x 3.11/16 SAF 22634 x 5.13/16 SNW 116x2.3/4 YAR 207-104-2F