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

719/8 CE/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		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	1.74	kN
Basic static load rating	C₀	0.63	kN
Fatigue load limit	P_u	0.027	kN
Attainable speed for grease lubrication		145000	r/min
Attainable speed for oil-air lubrication		220000	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	9	N
Static axial stiffness, preload class A		9	N/µm
Preload class B	G_B	27	N
Static axial stiffness, preload class B		14	N/µm
Preload class C	G_C	55	N
Static axial stiffness, preload class C		20	N/µm
Calculation factors
Calculation factor	f	1.02
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.05
Calculation factor	f_2C	1.09
Calculation factor	f_HC	1.01
Calculation factor	f₀	7.2

Mass

Mass bearing

0.006

Model Number: 719/8 CE/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：2021-06-05
Application:marine analysis and testing equipment,tobacco machinery,Automation,Tool,joint protection,drawing die,centrifugal pump,sheet industry,Machine tools,Water Monitoring,laser devices
Similar models:S71920 CD/HCP4A 71919 CE/P4AH1 71917 ACE/HCP4A 71914 CE/P4A 71918 CB/HCP4AL 71910 CE/HCP4A 71934 CD/HCP4AH1 71922 CB/HCP4A S71928 ACD/P4A 71900 CD/P4A
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Hot number： 13857 19620 219 NR 2220 K + H 320 33866 40x68x8 CRW1 R 6230 84094 CRL 28 A FYTB 1.11/16 WDW HK 3516.2RS K 90x98x30 NJ 2213 ECJ OKF 170 W 618/3