Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 709 CD/P4A

709 CD/P4A

Dimensions

d		9	mm
D		24	mm
B		7	mm
d₁		14.1	mm
d₂		14.1	mm
D₁		18.9	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.2	mm
a		5.7	mm

Abutment dimensions

d_a	min.	11	mm
d_b	min.	11	mm
D_a	max.	22	mm
D_b	max.	22.6	mm
r_a	max.	0.3	mm
r_b	max.	0.2	mm
d_n		15.1	mm

Calculation data

Basic dynamic load rating	C	3.58	kN
Basic static load rating	C₀	1.6	kN
Fatigue load limit	P_u	0.068	kN
Attainable speed for grease lubrication		80000	r/min
Attainable speed for oil-air lubrication		120000	r/min
Ball diameter	D_w	3.969	mm
Number of balls	z	10
Reference grease quantity	G_ref	0.18	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	10	N
Static axial stiffness, preload class A		11	N/µm
Preload class B	G_B	20	N
Static axial stiffness, preload class B		15	N/µm
Preload class C	G_C	40	N
Static axial stiffness, preload class C		20	N/µm
Preload class D	G_D	80	N
Static axial stiffness, preload class D		29	N/µm
Calculation factors
Calculation factor	f	1.02
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.05
Calculation factor	f_2D	1.09
Calculation factor	f_HC	1
Calculation factor	f₀	8.8

Mass

Mass bearing

0.015

Model Number: 709 CD/P4A
Inner Diameter：9mm Outer Diameter：24mm Width：7mm
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：2021-06-03
Application:printing equipment,relay,tapping machine,ventilation heating equipment,motor,agriculture,Sensors,supporting facilities,hardware,other accessories,medical equipment
Similar models:7096 BM 709 ACE/HCP4AH WBB1-8709 709 ACD/HCP4AH LM 770949/910 W 61709-2RS1 709 CE/P4AH 709 CE/P4A 709 ACE/P4A BK 0709
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