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

7008 ACB/HCP4A

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_b	min.	44.6	mm
D_a	max.	63.4	mm
D_b	max.	64.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		51.6	mm

Calculation data

Basic dynamic load rating	C	9.36	kN
Basic static load rating	C₀	8.65	kN
Fatigue load limit	P_u	0.224	kN
Attainable speed for grease lubrication		32000	r/min
Attainable speed for oil-air lubrication		48000	r/min
Ball diameter	D_w	4.762	mm
Number of balls	z	26
Reference grease quantity	G_ref	2.22	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	41	N
Static axial stiffness, preload class A		80	N/µm
Preload class B	G_B	82	N
Static axial stiffness, preload class B		102	N/µm
Preload class C	G_C	245	N
Static axial stiffness, preload class C		153	N/µm
Calculation factors
Calculation factor	f	1.04
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_HC	1.01
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

0.2

Model Number: 7008 ACB/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:mechanical and electrical,security equipment,raw material accessories,Embroidery,non-ferrous metal alloy,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,medical equipment,blood cell reagent,printing equipment,marine analysis and testing equipment,Performance test
Similar models:7008 ACE/P4A 7008 ACD/P4AH S7008 ACB/HCP4A 7008 CB/HCP4AL 7008 ACE/HCP4AL1 7008 ACE/HCP4AH1 7008 CD/HCP4A 7008 CD/P4A 7008 CE/HCP4AH1 S7008 CE/HCP4A
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Hot number： 1209 ETN9 36179 7011 CB/HCP4A 7024 CB/P4A 7304 BECBP BD-C 3224 K-AHX 3224 G FYK 30 LD FYWK 1.7/16 YTA H 3024 KMTA 24 LR 25x30x26.5 SAF 1611 x 2 T SAF 23038 KAT x 7 SAW 23530 x 5.5/16 T SYFWK 1.3/8 LTHR