Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 719/9 ACE/P4A

719/9 ACE/P4A

Dimensions

d		9	mm
D		20	mm
B		6	mm
d₁		12.5	mm
d₂		11.76	mm
D₁		16.52	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		100000	r/min
Attainable speed for oil-air lubrication		150000	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		25	N/µm
Preload class B	G_B	50	N
Static axial stiffness, preload class B		37	N/µm
Preload class C	G_C	100	N
Static axial stiffness, preload class C		48	N/µm
Calculation factors
Calculation factor	f	1.03
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

0.008

Model Number: 719/9 ACE/P4A
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：2026-08-21
Application:non-motor vehicle Electric car,car instrument,extruder,cleaning agent,noise inspection,granulator,product accessories,printing machinery,sterilizers,Vertical pull,Rolling mill
Similar models:71919 ACB/P4AL 71911 ACE/P4AH1 S71916 CB/HCP4A S71908 CB/HCP4A 71911 CB/HCP4A 71915 CB/P4A 71924 ACE/HCP4AH1 71902 CE/HCP4A 71920 ACE/HCP4A 71911 ACE/P4AL
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Model No. Inner Diameter Outer Diameter Width Type

403753
53310 + U 310
FBSA 209/QBC
S7018 ACB/HCP4A
SAF 22526 T

Purchase the SKF 719/9 ACE/P4A Please fill in the following

Hot number： 14137 A/14276 220x260x16 HDS1 R 19782 400104 51276 F BT4B 328944 G/HA1VA901 FY 20 TF/VA228 S71906 ACE/HCP4A S71924 CD/P4A SAF 22616 SSAFS 22534 x 5.7/8 TLC W 629 W 63805-2RS1 WS 81230 WS 81256

Model No.	Inner Diameter	Outer Diameter	Width	Type
403753
53310 + U 310
FBSA 209/QBC
S7018 ACB/HCP4A
SAF 22526 T