Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7220 CD/HCP4A

7220 CD/HCP4A

Dimensions

d		100	mm
D		180	mm
B		34	mm
d₁		124.7	mm
d₂		124.7	mm
D₁		155.3	mm
r_1,2	min.	2.1	mm
r_3,4	min.	1.1	mm
a		35.9	mm

Abutment dimensions

d_a	min.	112	mm
d_b	min.	112	mm
D_a	max.	168	mm
D_b	max.	173	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		131.4	mm

Calculation data

Basic dynamic load rating	C	156	kN
Basic static load rating	C₀	137	kN
Fatigue load limit	P_u	4.9	kN
Attainable speed for grease lubrication		9000	r/min
Attainable speed for oil-air lubrication		14000	r/min
Ball diameter	D_w	25.4	mm
Number of balls	z	15
Reference grease quantity	G_ref	40.899	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	590	N
Static axial stiffness, preload class A		135	N/µm
Preload class B	G_B	1180	N
Static axial stiffness, preload class B		183	N/µm
Preload class C	G_C	2360	N
Static axial stiffness, preload class C		256	N/µm
Preload class D	G_D	4720	N
Static axial stiffness, preload class D		368	N/µm
Calculation factors
Calculation factor	f	1.09
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.01
Calculation factor	f_2C	1.03
Calculation factor	f_2D	1.06
Calculation factor	f_HC	1.01
Calculation factor	f₀	14.5

Mass

Mass bearing

2.64

Model Number: 7220 CD/HCP4A
Inner Diameter：100mm Outer Diameter：180mm Width：34mm
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：2024-12-14
Application:Doppler,Grinding and polishing equipment,Hydraulic Equipment,motorcycle,Technical Equipment,joint protection,Power equipment,electric pump,motor,Spectrum Products,Broadcasting System
Similar models:7220 BEP 7220 BECBP 7220 ACD/P4A 7220 BECBY 7220 CD/P4A 7220 ACD/HCP4A 7220 CD/HCP4A 7220 BECCM 7220 BEGAY 7220 BECBM
BEARING POWER International Trading Co.,Ltd. specialize in 7220CD/HCP4A products，there is large inventory of SKF 7220 CD/HCP4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 7220 CD/HCP4A Which SKF 7220CD/HCP4A is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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