Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 719/9 ACE/HCP4AH

719/9 ACE/HCP4AH

Dimensions

d		9	mm
D		20	mm
B		6	mm
d₁		12.5	mm
d₂		11.76	mm
D₁		16.52	mm
K		0.5	mm
C₁		3.65	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		6.9	mm

Abutment dimensions

d_a	min.	11	mm
d_b	min.	11	mm
D_a	max.	18	mm
D_b	max.	19.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		13.3	mm

Calculation data

Basic dynamic load rating	C	1.95	kN
Basic static load rating	C₀	0.765	kN
Fatigue load limit	P_u	0.032	kN
Attainable speed for grease lubrication		120000	r/min
Attainable speed for oil-air lubrication		180000	r/min
Ball diameter	D_w	3.175	mm
Number of balls	z	11
Reference grease quantity	G_ref	0.09	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	17	N
Static axial stiffness, preload class A		28	N/µm
Preload class B	G_B	50	N
Static axial stiffness, preload class B		41	N/µm
Preload class C	G_C	100	N
Static axial stiffness, preload class C		54	N/µm
Calculation factors
Calculation factor	f	1.03
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1.01
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

0.007

Model Number: 719/9 ACE/HCP4AH
Inner Diameter：9mm Outer Diameter：20mm Width：6mm
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：2026-04-16
Application:Spectrum Products,Storage Tool,special broaching machine,physical instruments,static control,survey accessories,electronic components,rubber products machinery and equipment,generator,electromagnet,Hydraulic Press
Similar models:71900 CE/HCP4A 71917 ACE/P4AL 71903 ACE/HCP4AH 71914 CE/HCP4A S71916 CD/HCP4A 71909 CB/P4AL S71913 CD/HCP4A 71916 CD/P4AH1 S71914 CD/HCP4A 71903 CE/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 719/9ACE/HCP4AH products，there is large inventory of SKF 719/9 ACE/HCP4AH Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 719/9 ACE/HCP4AH Which SKF 719/9ACE/HCP4AH 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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