Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71809 CD/HCP4

71809 CD/HCP4

Dimensions

d		45	mm
D		58	mm
B		7	mm
d₁		49.6	mm
d₂		49.6	mm
D₁		53.6	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		10.4	mm

Abutment dimensions

d_a	min.	47	mm
d_b	min.	47	mm
D_a	max.	56	mm
D_b	max.	57.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		50	mm

Calculation data

Basic dynamic load rating	C	4.88	kN
Basic static load rating	C₀	5.3	kN
Fatigue load limit	P_u	0.224	kN
Attainable speed for grease lubrication		26000	r/min
Attainable speed for oil-air lubrication		40000	r/min
Ball diameter	D_w	3.175	mm
Number of balls	z	31
Reference grease quantity	G_ref	0.36	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	27	N
Static axial stiffness, preload class A		42	N/µm
Preload class B	G_B	80	N
Static axial stiffness, preload class B		72	N/µm
Preload class C	G_C	160	N
Static axial stiffness, preload class C		106	N/µm
Calculation factors
Calculation factor	f	1.24
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.1
Calculation factor	f_2C	1.18
Calculation factor	f_HC	1.02
Calculation factor	f₀	17.4

Mass

Mass bearing

0.037

Model Number: 71809 CD/HCP4
Inner Diameter：45mm Outer Diameter：58mm 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：2021-06-08
Application:Industrial,agrochemical,Medium and large motor,directional control valve,vacuum filter,Safety protection,suction nozzle,thread processing machine,Pump,packing equipment,tobacco machinery
Similar models:71809 ACD/P4 71809 CD/HCP4 71809 CD/P4
BEARING POWER International Trading Co.,Ltd. specialize in 71809CD/HCP4 products，there is large inventory of SKF 71809 CD/HCP4 Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71809 CD/HCP4 Which SKF 71809CD/HCP4 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.

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PCM 222515 M	22	25	15	Bearings, units and housings
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SAF 1617 T	74.6125	-	-	Bearings, units and housings

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