Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7208 ACD/P4A

7208 ACD/P4A

Dimensions

d		40	mm
D		80	mm
B		18	mm
d₁		53.3	mm
d₂		53.3	mm
D₁		66.7	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		23.1	mm

Abutment dimensions

d_a	min.	47	mm
d_b	min.	47	mm
D_a	max.	73	mm
D_b	max.	75.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		56.2	mm

Calculation data

Basic dynamic load rating	C	31.9	kN
Basic static load rating	C₀	22.8	kN
Fatigue load limit	P_u	0.98	kN
Attainable speed for grease lubrication		16000	r/min
Attainable speed for oil-air lubrication		26000	r/min
Ball diameter	D_w	11.112	mm
Number of balls	z	14
Reference grease quantity	G_ref	4.725	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	200	N
Static axial stiffness, preload class A		127	N/µm
Preload class B	G_B	400	N
Static axial stiffness, preload class B		165	N/µm
Preload class C	G_C	800	N
Static axial stiffness, preload class C		218	N/µm
Preload class D	G_D	1600	N
Static axial stiffness, preload class D		294	N/µm
Calculation factors
Calculation factor	f	1.05
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.01
Calculation factor	f_2C	1.02
Calculation factor	f_2D	1.05
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

0.37

Model Number: 7208 ACD/P4A
Inner Diameter：40mm Outer Diameter：80mm Width：18mm
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:historical instruments,training beds etc,office outdoor camping equipment,tooth filling,key lock,machine lathe,nail products,Textile Accessories,Wire grinder,packaging materials,Automation
Similar models:7208 BECBPH 7208 BEGAY 7208 BE-2RZP S7208 CD/P4A 7208 ACCBM 7208 ACD/HCP4A 7208 BEGAP S7208 ACD/HCP4A 7208 BECBY 7208 BECBP
BEARING POWER International Trading Co.,Ltd. specialize in 7208ACD/P4A products，there is large inventory of SKF 7208 ACD/P4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 7208 ACD/P4A Which SKF 7208ACD/P4A 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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41170	104.775	130.2	11.13	Seals
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