Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7208 CD/HCP4A

7208 CD/HCP4A

Dimensions

d		40	mm
D		80	mm
B		18	mm
d₁		53.3	mm
d₂		53.3	mm
D₁		66.7	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		17.1	mm

Abutment dimensions

d_a	min.	47	mm
d_b	min.	47	mm
D_a	max.	73	mm
D_b	max.	75.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		56.2	mm

Calculation data

Basic dynamic load rating	C	33.8	kN
Basic static load rating	C₀	24	kN
Fatigue load limit	P_u	1.02	kN
Attainable speed for grease lubrication		22000	r/min
Attainable speed for oil-air lubrication		34000	r/min
Ball diameter	D_w	11.112	mm
Number of balls	z	14
Reference grease quantity	G_ref	4.725	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	125	N
Static axial stiffness, preload class A		59	N/µm
Preload class B	G_B	250	N
Static axial stiffness, preload class B		79	N/µm
Preload class C	G_C	500	N
Static axial stiffness, preload class C		111	N/µm
Preload class D	G_D	1000	N
Static axial stiffness, preload class D		159	N/µm
Calculation factors
Calculation factor	f	1.05
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	14.4

Mass

Mass bearing

0.33

Model Number: 7208 CD/HCP4A
Inner Diameter：40mm Outer Diameter：80mm Width：18mm
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:aerial work platform,bathroom facilities,Oral Equipment,Industry,,wheel lathe,Digital Generator,tooth filling,Broadcasting System,car instrument,marine analysis and testing equipment
Similar models:7208 BECBY 7208 CD/HCP4A 7208 BECBM 7208 ACD/P4A 7208 BEGBY 7208 CD/P4A 7208 ACCBM 7208 BEGAP 7208 BEGAY 7208 BECBP
BEARING POWER International Trading Co.,Ltd. specialize in 7208CD/HCP4A products，there is large inventory of SKF 7208 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 7208 CD/HCP4A Which SKF 7208CD/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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