Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71804 CD/HCP4

71804 CD/HCP4

Dimensions

d		20	mm
D		32	mm
B		7	mm
d₁		24.1	mm
d₂		24.1	mm
D₁		28.1	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		7	mm

Abutment dimensions

d_a	min.	22	mm
d_b	min.	22	mm
D_a	max.	30	mm
D_b	max.	31.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		24.5	mm

Calculation data

Basic dynamic load rating	C	3.9	kN
Basic static load rating	C₀	2.65	kN
Fatigue load limit	P_u	0.112	kN
Attainable speed for grease lubrication		53000	r/min
Attainable speed for oil-air lubrication		80000	r/min
Ball diameter	D_w	3.175	mm
Number of balls	z	17
Reference grease quantity	G_ref	0.18	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	20	N
Static axial stiffness, preload class A		25	N/µm
Preload class B	G_B	60	N
Static axial stiffness, preload class B		42	N/µm
Preload class C	G_C	120	N
Static axial stiffness, preload class C		61	N/µm
Calculation factors
Calculation factor	f	1.08
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	16

Mass

Mass bearing

0.017

Model Number: 71804 CD/HCP4
Inner Diameter：20mm Outer Diameter：32mm 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：2024-12-15
Application:Animal Tracking,wheel lathe,municipal machinery,switch,bio-chemical,tray industry,rolling machine,relay,other accessories,rock drilling machinery,auto tools
Similar models:71804 ACD/HCP4 71804 CD/HCP4 71804 ACD/P4 71804 CD/P4
BEARING POWER International Trading Co.,Ltd. specialize in 71804CD/HCP4 products，there is large inventory of SKF 71804 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 71804 CD/HCP4 Which SKF 71804CD/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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