Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7008 ACB/P4A

S7008 ACB/P4A

Dimensions

d		40	mm
D		68	mm
B		15	mm
d₁		50.95	mm
d₂		49.87	mm
D₂		58.88	mm
r_1,2	min.	1	mm
r_3,4	min.	0.6	mm
a		20.2	mm

Abutment dimensions

d_a	min.	44.6	mm
d_a	max.	50.4	mm
d_b	min.	44.6	mm
d_b	max.	49.3	mm
D_a	max.	63.4	mm
D_b	max.	64.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	9.36	kN
Basic static load rating	C₀	8.65	kN
Fatigue load limit	P_u	0.224	kN
Attainable speed for grease lubrication		26000	r/min
Ball diameter	D_w	4.762	mm
Number of balls	z	26
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	121	N
Static axial stiffness, preload class A		71	N/µm
Preload class B	G_B	82	N
Static axial stiffness, preload class B		92	N/µm
Preload class C	G_C	245	N
Static axial stiffness, preload class C		138	N/µm
Calculation factors
Calculation factor	f	1.04
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.01
Calculation factor	f_2C	1.04
Calculation factor	f_HC	1
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

0.21

Model Number: S7008 ACB/P4A
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：2026-04-20
Application:sucker industry,security equipment,glass,animal,stamping die,glass processing machine,Cylinder Pneumatic Treatment Element,Other Machine Tools,Forging machine,medical equipment,other rubber
Similar models:7008 ACE/HCP4AL1 7008 ACD/P4AH 7008 ACD/HCP4AH 7008 ACE/HCP4A 7008 CD/P4A 7008 ACE/HCP4AL S7008 CD/P4A 7008 ACD/P4A S7008 ACB/HCP4A 7008 CE/HCP4AL
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Hot number： 14861 11210 TN9 12660 16092 BD-240/900 ECAK30/W33-AOH 240/900 26204 28841 62495 7311 BEGBY NU 212 ECM NU 2220 ECP S7212 CD/HCP4A SYWK 1.1/4 AYTA WS 81111 YAR 208-2RF