Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71817 ACD/HCP4

71817 ACD/HCP4

Dimensions

d		85	mm
D		110	mm
B		13	mm
d₁		93.2	mm
d₂		93.2	mm
D₁		102.1	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		29.3	mm

Abutment dimensions

d_a	min.	89.6	mm
d_b	min.	89.6	mm
D_a	max.	105.4	mm
D_b	max.	108	mm
r_a	max.	1	mm
r_b	max.	0.3	mm
d_n		94.1	mm

Calculation data

Basic dynamic load rating	C	20.3	kN
Basic static load rating	C₀	24	kN
Fatigue load limit	P_u	1.02	kN
Attainable speed for grease lubrication		12000	r/min
Attainable speed for oil-air lubrication		19000	r/min
Ball diameter	D_w	7.144	mm
Number of balls	z	30
Reference grease quantity	G_ref	2.7	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	183	N
Static axial stiffness, preload class A		209	N/µm
Preload class B	G_B	550	N
Static axial stiffness, preload class B		328	N/µm
Preload class C	G_C	1100	N
Static axial stiffness, preload class C		451	N/µm
Calculation factors
Calculation factor	f	1.31
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

0.24

Model Number: 71817 ACD/HCP4
Inner Diameter：85mm Outer Diameter：110mm Width：13mm
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:Gear grinding machine,thread processing machine,Wire grinder,gear type,van,Industrial,large agricultural machinery,hydraulic cylinder buffer,Safety protection,static control,lifting equipment Hoisting hoist
Similar models:71817 CD/P4 71817 ACD/P4 71817 ACD/HCP4 71817 CD/HCP4
BEARING POWER International Trading Co.,Ltd. specialize in 71817ACD/HCP4 products，there is large inventory of SKF 71817 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 71817 ACD/HCP4 Which SKF 71817ACD/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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SYNT 70 LTS	70	-	-	Bearings, units and housings

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