Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7008 CE/HCP4A

7008 CE/HCP4A

Dimensions

d		40	mm
D		68	mm
B		15	mm
d₁		49.7	mm
d₂		47.6	mm
D₁		58.25	mm
r_1,2	min.	1	mm
r_3,4	min.	0.6	mm
a		14.8	mm

Abutment dimensions

d_a	min.	44.6	mm
d_b	min.	44.6	mm
D_a	max.	63.4	mm
D_b	max.	63.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		51.6	mm

Calculation data

Basic dynamic load rating	C	12.4	kN
Basic static load rating	C₀	7.65	kN
Fatigue load limit	P_u	0.32	kN
Attainable speed for grease lubrication		36000	r/min
Attainable speed for oil-air lubrication		56000	r/min
Ball diameter	D_w	7.144	mm
Number of balls	z	19
Reference grease quantity	G_ref	2.8	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	65	N
Static axial stiffness, preload class A		38	N/µm
Preload class B	G_B	200	N
Static axial stiffness, preload class B		60	N/µm
Preload class C	G_C	390	N
Static axial stiffness, preload class C		81	N/µm
Calculation factors
Calculation factor	f	1.06
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.03
Calculation factor	f_2C	1.05
Calculation factor	f_HC	1.01
Calculation factor	f₀	8.1

Mass

Mass bearing

0.17

Model Number: 7008 CE/HCP4A
Inner Diameter：40mm Outer Diameter：68mm Width：15mm
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:hardware,cooling system,Doppler,equipment and,rock drilling machinery,Spectrum Products,Embroidery,PVC,machine lathe,Broadcasting System,rubber products machinery and equipment
Similar models:7008 ACE/HCP4A S7008 ACB/HCP4A S7008 CE/HCP4A S7008 CD/P4A S7008 FW/HC 7008 ACD/HCP4AH 7008 ACB/HCP4AL S7008 ACD/P4A 7008 ACD/P4AH S7008 CB/HCP4A
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