Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71811 ACD/HCP4

71811 ACD/HCP4

Dimensions

d		55	mm
D		72	mm
B		9	mm
d₁		60.7	mm
d₂		60.7	mm
D₁		66.5	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		19.3	mm

Abutment dimensions

d_a	min.	57	mm
d_b	min.	57	mm
D_a	max.	70	mm
D_b	max.	71.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		61.3	mm

Calculation data

Basic dynamic load rating	C	9.56	kN
Basic static load rating	C₀	10.2	kN
Fatigue load limit	P_u	0.43	kN
Attainable speed for grease lubrication		19000	r/min
Attainable speed for oil-air lubrication		30000	r/min
Ball diameter	D_w	4.762	mm
Number of balls	z	29
Reference grease quantity	G_ref	0.88	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	87	N
Static axial stiffness, preload class A		138	N/µm
Preload class B	G_B	260	N
Static axial stiffness, preload class B		217	N/µm
Preload class C	G_C	520	N
Static axial stiffness, preload class C		298	N/µm
Calculation factors
Calculation factor	f	1.27
Calculation factor	f₁	0.97
Calculation factor	f_2A	1
Calculation factor	f_2B	1.09
Calculation factor	f_2C	1.17
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

0.073

Model Number: 71811 ACD/HCP4
Inner Diameter：55mm Outer Diameter：72mm Width：9mm
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：2021-06-04
Application:vertical processing,E Beauty,Cylinder Standard,Pneumatic Control Elements,physical instruments,scientific instruments,Industrial Adhesive,paper processing machine,flexible processing,glass,Film machine
Similar models:71811 CD/P4 71811 ACD/HCP4 71811 CD/HCP4
BEARING POWER International Trading Co.,Ltd. specialize in 71811ACD/HCP4 products，there is large inventory of SKF 71811 ACD/HCP4 Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71811 ACD/HCP4 Which SKF 71811ACD/HCP4 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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