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：2025-12-09
Application:horizontal processing,atomizer class,sawing machine,office outdoor camping equipment,Cylinder Standard,product accessories,circulating pump,metal mold,packaging machinery,relay,printing equipment
Similar models:S7020 CE/P4A 7020 CD/HCP4AH1 7020 ACE/P4AH1 S7020 ACB/P4A S7020 CE/HCP4A 7020 CD/P4A 7020 ACB/HCP4A 7020 ACD/HCP4AH1 7020 ACE/HCP4A S7020 CD/P4A
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10x26x7 HMSA10 RG	10	26	7	Seals
41307	104.775	152.43	11.13	Seals
48x65x8 CRW1 V	48	65	8	Seals
524216	704.85	-	-	Seals
71920 CD/HCP4AH1	100	140	20	Bearings, units and housings
81102 TN	15	28	9	Bearings, units and housings
850 VA R	785	-	-	Seals
9863	25.4	38.1	6.35	Seals
FYTJ 50 TF	50	-	-	Bearings, units and housings
KM 13	12	-	65	Bearings, units and housings
PCM 18018580 M	180	185	80	Bearings, units and housings
Z 215 F	75	-	7	Seals

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