Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71803 ACD/HCP4

71803 ACD/HCP4

Dimensions

d		17	mm
D		26	mm
B		5	mm
d₁		20.1	mm
d₂		20.1	mm
D₁		23	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		7.5	mm

Abutment dimensions

d_a	min.	19	mm
d_b	min.	19	mm
D_a	max.	24	mm
D_b	max.	25.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		20.4	mm

Calculation data

Basic dynamic load rating	C	2.21	kN
Basic static load rating	C₀	1.53	kN
Fatigue load limit	P_u	0.064	kN
Attainable speed for grease lubrication		60000	r/min
Attainable speed for oil-air lubrication		90000	r/min
Ball diameter	D_w	2.381	mm
Number of balls	z	18
Reference grease quantity	G_ref	0.09	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	20	N
Static axial stiffness, preload class A		47	N/µm
Preload class B	G_B	60	N
Static axial stiffness, preload class B		74	N/µm
Preload class C	G_C	120	N
Static axial stiffness, preload class C		100	N/µm
Calculation factors
Calculation factor	f	1.1
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

0.009

Model Number: 71803 ACD/HCP4
Inner Diameter：17mm Outer Diameter：26mm Width：5mm
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：2025-12-09
Application:medical equipment,defogging and degreasing,transportation equipment,Cylinder Micro,agricultural testing and analysis equipment and related,dye pigments,wheel lathe,Seals,aerial work equipment,vertical sawing machine,air conditioning tools
Similar models:71803 ACD/P4 71803 CD/HCP4 71803 ACD/HCP4 71803 CD/P4
BEARING POWER International Trading Co.,Ltd. specialize in 71803ACD/HCP4 products，there is large inventory of SKF 71803 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 71803 ACD/HCP4 Which SKF 71803ACD/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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