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：2025-12-09
Application:Optical Instruments,Ball screw,sample cup,security,cleaning agent,building decoration raw materials and accessories,surgical instruments,Optical detection,engineering machine,lathe,CNC
Similar models:S71917 CE/P4A S71913 ACD/HCP4A 71940 CD/P4AH1 71914 CD/HCP4AL 71960 CDMA/HCP4A 71900 CE/P4AH 71915 ACB/HCP4AL 71901 CE/P4AH S71902 CD/HCP4A 71916 ACD/HCP4AH1
BEARING POWER International Trading Co.,Ltd. specialize in 719/9ACE/P4A products，there is large inventory of SKF 719/9 ACE/P4A 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/P4A Which SKF 719/9ACE/P4A 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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
15542	39.7002	60.3	7.95	Seals
16004/HR11TN	20	42	8	Bearings, units and housings
24340	61.9252	88.42	11.13	Seals
32912	60	85	17	Bearings, units and housings
627/HR22T2	7	22	7	Bearings, units and housings
71907 ACE/HCP4AL	35	55	10	Bearings, units and housings
9850	25.4	38	9.91	Seals
BTM 65 BTN9/P4CDB	65	100	33	Bearings, units and housings
KR 30 PPXA	-	30	40	Bearings, units and housings
N 14	14.5542	-	69.8754	Bearings, units and housings
NATR 30 PPXA	30	62	29	Bearings, units and housings
RMS 14	44.45	107.95	26.988	Bearings, units and housings

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