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

S7008 ACD/P4A

Dimensions

d		40	mm
D		68	mm
B		15	mm
d₁		49.2	mm
d₂		49.2	mm
D₂		61.02	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		20.2	mm

Abutment dimensions

d_a	min.	44.6	mm
d_a	max.	48.7	mm
d_b	min.	44.6	mm
d_b	max.	48.7	mm
D_a	max.	63.4	mm
D_b	max.	66	mm
r_a	max.	1	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	15.9	kN
Basic static load rating	C₀	10.4	kN
Fatigue load limit	P_u	0.44	kN
Attainable speed for grease lubrication		19000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	18
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	100	N
Static axial stiffness, preload class A		96	N/µm
Preload class B	G_B	200	N
Static axial stiffness, preload class B		124	N/µm
Preload class C	G_C	400	N
Static axial stiffness, preload class C		162	N/µm
Preload class D	G_D	800	N
Static axial stiffness, preload class D		214	N/µm
Calculation factors
Calculation factor	f	1.06
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.05
Calculation factor	f_2D	1.08
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

0.19

Model Number: S7008 ACD/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：2024-12-13
Application:container finishing,car and accessories,relay,lifting upgrade,scientific instruments,Display Devices,water protection,storage and transportation equipment,hydraulic cylinder buffer,special broaching machine,sewage pump
Similar models:7008 CD/P4AH S7008 ACB/P4A 7008 CE/HCP4AH1 7008 ACB/P4AL 7008 ACD/HCP4A 7008 CE/P4AL1 7008 CD/HCP4AH 7008 ACB/P4A 7008 ACD/HCP4AH 7008 CB/HCP4AL
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Hot number： 10047 6064 M 75054 99823 FYRP 1 3/4-3 FYTWK 508 L H 2315 JM 511946/910 NJ 319 ECP OH 31/670 H PCM 105110115 M PCZ 2824 E SAF 22615 x 2.3/8 SSAFS 23034 KAT x 6 SYNT 90 F