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

S7008 CB/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		14.8	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	9.95	kN
Basic static load rating	C₀	9.3	kN
Fatigue load limit	P_u	0.236	kN
Attainable speed for grease lubrication		28000	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	28	N
Static axial stiffness, preload class A		28	N/µm
Preload class B	G_B	48	N
Static axial stiffness, preload class B		36	N/µm
Preload class C	G_C	145	N
Static axial stiffness, preload class C		57	N/µm
Calculation factors
Calculation factor	f	1.04
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.05
Calculation factor	f_HC	1
Calculation factor	f₀	9.8

Mass

Mass bearing

0.21

Model Number: S7008 CB/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：2025-12-09
Application:generator,survey accessories,machine tool spindle,Antenna Potentials,Die,container finishing,Insect Capture,Switch,plastic molding,X-ray Equipment,top industry
Similar models:7008 ACE/P4A S7008 CB/HCP4A 7008 CD/HCP4A 7008 ACD/P4A 7008 ACE/HCP4AH1 7008 CD/HCP4AH 7008 CE/HCP4A S7008 CD/P4A 7008 ACE/HCP4AL1 7008 ACD/HCP4A
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1013242	257.175	295.28	17.48	Seals
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2203 ETN9	17	40	16	Bearings, units and housings
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315835 A	530	650	45	Bearings, units and housings
8871	22.225	52.07	9.525	Seals
TQO design	409.575	546.1	-	Bearings, units and housings
CRM 22 A	69.85	158.75	34.925	Bearings, units and housings
FYT 20 TF/VA228	20	-	32.6	Bearings, units and housings
GE 30 ES	30	47	18	Bearings, units and housings
SAF 22530 x 5.1/8	130.175	-	-	Bearings, units and housings
SAFS 23038 KAT x 7	177.8	-	-	Bearings, units and housings

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Hot number： 14938 16285 BD-239/1060 CAKF/W33-OH 39/1060 H 413000 61907 6217 NR 634-2RS1 7030 CD/HCP4A 99800 BT4B 334105 BG/HA1 BD-C 3130 K-H 3130 L FSAF 1517 x 2.13/16 T YARAG 206-102 Z 212 W 628-2RZ