Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 719/8 ACE/HCP4A

719/8 ACE/HCP4A

Dimensions

d		8	mm
D		19	mm
B		6	mm
d₁		11.3	mm
d₂		10.76	mm
D₁		15.7	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		6.5	mm

Abutment dimensions

d_a	min.	10	mm
d_b	min.	10	mm
D_a	max.	17	mm
D_b	max.	18.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		12.2	mm

Calculation data

Basic dynamic load rating	C	1.68	kN
Basic static load rating	C₀	0.6	kN
Fatigue load limit	P_u	0.026	kN
Attainable speed for grease lubrication		130000	r/min
Attainable speed for oil-air lubrication		200000	r/min
Ball diameter	D_w	3.175	mm
Number of balls	z	9
Reference grease quantity	G_ref	0.09	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	15	N
Static axial stiffness, preload class A		23	N/µm
Preload class B	G_B	46	N
Static axial stiffness, preload class B		35	N/µm
Preload class C	G_C	91	N
Static axial stiffness, preload class C		46	N/µm
Calculation factors
Calculation factor	f	1.02
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

0.006

Model Number: 719/8 ACE/HCP4A
Inner Diameter：8mm Outer Diameter：19mm 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:Industrial,rolling mill roll neck and slowdown device,electrocardiograph,bio-chemical,Textile Industry Accessories and Accessories,security,Dental Equipment,horizontal processing,vertical sawing machine,tire industry,ship special
Similar models:71908 CE/HCP4A 71910 ACE/HCP4AH1 S71909 CD/HCP4A S71915 ACB/P4A S71906 ACB/HCP4A 71904 CE/P4AL 71908 ACE/P4AL 71914 CB/HCP4AL S71911 ACE/HCP4A 71903 ACE/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 719/8ACE/HCP4A products，there is large inventory of SKF 719/8 ACE/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 719/8 ACE/HCP4A Which SKF 719/8ACE/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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