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：2024-12-13
Application:Pneumatic Control Valves,tapered grinder,vertical sawing machine,tobacco machinery,container finishing,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,Ball screw,turret industry,ultra-quiet generators,Broadcasting System,milling head plug
Similar models:71811 ACD/HCP4 71811 CD/HCP4 71811 CD/P4
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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