Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 719/8 ACE/P4A

719/8 ACE/P4A

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		109000	r/min
Attainable speed for oil-air lubrication		165000	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		21	N/µm
Preload class B	G_B	46	N
Static axial stiffness, preload class B		32	N/µm
Preload class C	G_C	91	N
Static axial stiffness, preload class C		41	N/µm
Calculation factors
Calculation factor	f	1.02
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.07
Calculation factor	f_HC	1
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: 719/8 ACE/P4A
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：2026-08-24
Application:food sterilization,outdoor equipment,wheel lathe,test equipment,paper processing machine,dynamic blood pressure,pipe fittings Steel industry,natural instruments,car and accessories,municipal machinery,knitted fabrics
Similar models:71911 CD/HCP4A 71913 CB/P4A 71948 CD/HCP4A 71904 ACE/HCP4A 71926 ACD/P4AH1 S71914 ACD/HCP4A 71922 ACB/HCP4A S71930 CD/HCP4A 71919 ACE/HCP4AL S71906 CE/HCP4A
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Model No. Inner Diameter Outer Diameter Width Type

28x47x7 HMSA10 RG
67981/67919
68x90x10 HMSA10 RG
BK 1512
GEH 45 ESL-2LS

Purchase the SKF 719/8 ACE/P4A Please fill in the following

Hot number： 27361 29368 3214 A-2Z 51248 54410 + U 410 71910 ACE/P4AH1 71919 ACB/HCP4AL FYJ 508 HA 3024 E NCF 2332 ECJB/PEX NJ 2326 ECPA NU 222 ECJ QJ 320 N2MA SAF 22615 x 2.1/2 TLC SIL 50 ES-2RS

Model No.	Inner Diameter	Outer Diameter	Width	Type
28x47x7 HMSA10 RG
67981/67919
68x90x10 HMSA10 RG
BK 1512
GEH 45 ESL-2LS