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

719/9 CE/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		5.2	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	2.03	kN
Basic static load rating	C₀	0.8	kN
Fatigue load limit	P_u	0.034	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	11
Reference grease quantity	G_ref	0.09	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	11	N
Static axial stiffness, preload class A		10	N/µm
Preload class B	G_B	32	N
Static axial stiffness, preload class B		16	N/µm
Preload class C	G_C	64	N
Static axial stiffness, preload class C		21	N/µm
Calculation factors
Calculation factor	f	1.03
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1
Calculation factor	f₀	7.4

Mass

Mass bearing

0.008

Model Number: 719/9 CE/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:rehabilitation training equipment,garbage disposal,car,meat products machine,mathematical instruments,plastic molding,Oral Image,Textile Accessories,cooling system,Die,hinge industry
Similar models:71911 CD/P4A 71919 ACD/P4A 71938 ACD/HCP4A S71917 CB/HCP4A 71928 CD/HCP4AH1 71924 CD/HCP4AL 71903 CE/P4A 71902 ACD/P4A 71914 CE/HCP4AH1 71909 CE/P4A
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Hot number： 23632 25x45x8 HMS5 V 316977 C 35x72x12 HMSA10 V 7048 ACD/P4A 71922 ACB/HCP4A 99141 FYTB 509 M K 60x68x20 PBM 5570100 M1G1 PRM 707560 SHR 100 SILKAC 16 M W 30 YEL 206-102-2F