Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71913 ACD/HCP4A

71913 ACD/HCP4A

Dimensions

d		65	mm
D		90	mm
B		13	mm
d₁		72.7	mm
d₂		72.7	mm
D₁		82.3	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		24.7	mm

Abutment dimensions

d_a	min.	69.6	mm
d_b	min.	69.6	mm
D_a	max.	85.4	mm
D_b	max.	88	mm
r_a	max.	1	mm
r_b	max.	0.3	mm
d_n		74.7	mm

Calculation data

Basic dynamic load rating	C	19.5	kN
Basic static load rating	C₀	16	kN
Fatigue load limit	P_u	0.68	kN
Attainable speed for grease lubrication		15000	r/min
Attainable speed for oil-air lubrication		24000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	26
Reference grease quantity	G_ref	2.85	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	120	N
Static axial stiffness, preload class A		151	N/µm
Preload class B	G_B	240	N
Static axial stiffness, preload class B		196	N/µm
Preload class C	G_C	480	N
Static axial stiffness, preload class C		257	N/µm
Preload class D	G_D	960	N
Static axial stiffness, preload class D		345	N/µm
Calculation factors
Calculation factor	f	1.2
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.17
Calculation factor	f_HC	1.04
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

0.17

Model Number: 71913 ACD/HCP4A
Inner Diameter：65mm Outer Diameter：90mm 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：2026-04-17
Application:mathematical instruments,trolley,comprehensive experiment,tapping machine,Air,steam Hydraulic control element,Spectrum Products,Hydraulic Press,screen filter,air purification,Cylinder Type
Similar models:71913 CE/HCP4AL 71913 ACB/P4A 71913 ACB/P4AL 71913 ACD/HCP4A 71913 ACE/HCP4AL S71913 ACD/HCP4A 71913 CE/HCP4A 71913 CB/P4AL S71913 ACB/HCP4A 71913 ACD/HCP4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71913ACD/HCP4A products，there is large inventory of SKF 71913 ACD/HCP4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71913 ACD/HCP4A Which SKF 71913ACD/HCP4A 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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NATR 12 PPA	12	32	15	Bearings, units and housings
PCM 120125100 M	120	125	100	Bearings, units and housings
SAF 22618 x 3.1/4	82.55	-	-	Bearings, units and housings
W 634 R-2Z	4	16	5	Bearings, units and housings

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