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

7008 ACD/HCP4A

Dimensions

d		40	mm
D		68	mm
B		15	mm
d₁		49.2	mm
d₂		49.2	mm
D₁		58.8	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_b	min.	44.6	mm
D_a	max.	63.4	mm
D_b	max.	66	mm
r_a	max.	1	mm
r_b	max.	0.3	mm
d_n		50.8	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		22000	r/min
Attainable speed for oil-air lubrication		34000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	18
Reference grease quantity	G_ref	2.4	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	100	N
Static axial stiffness, preload class A		107	N/µm
Preload class B	G_B	200	N
Static axial stiffness, preload class B		138	N/µm
Preload class C	G_C	400	N
Static axial stiffness, preload class C		180	N/µm
Preload class D	G_D	800	N
Static axial stiffness, preload class D		238	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	1.02
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

0.17

Model Number: 7008 ACD/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：2021-06-09
Application:hydraulic cylinder,hydraulic connector,ultra-quiet generators,key lock,vertical sawing machine,lifting chain,chamfer,natural instruments,Safety protection,car and accessories,forklift industry
Similar models:S7008 ACB/P4A 7008 ACD/P4A 7008 ACD/HCP4A 7008 ACD/P4AH 7008 ACE/HCP4AH1 7008 CE/HCP4A 7008 CE/P4AH1 7008 CD/HCP4AH S7008 CE/HCP4A S7008 CD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 7008ACD/HCP4A products，there is large inventory of SKF 7008 ACD/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 7008 ACD/HCP4A Which SKF 7008ACD/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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12577	31.75	57.15	6.35	Seals
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45140	114.3	155.6	14.3	Seals
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Hot number： 13579 230/630 CA/W33 2600332 610 VE R 61910-2RS1 800 VE R 6334 6523 71924 CE/P4AL 91376 D/W R4A-2Z NJ 1996 MA NUH 2344 ECMH PRM 404420 S71924 CD/HCP4A