Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71801 CD/P4

71801 CD/P4

Dimensions

d		12	mm
D		21	mm
B		5	mm
d₁		15.1	mm
d₂		15.1	mm
D₁		18.1	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		4.7	mm

Abutment dimensions

d_a	min.	14	mm
d_b	min.	14	mm
D_a	max.	19	mm
D_b	max.	20.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		15.4	mm

Calculation data

Basic dynamic load rating	C	2.08	kN
Basic static load rating	C₀	1.18	kN
Fatigue load limit	P_u	0.05	kN
Attainable speed for grease lubrication		70000	r/min
Attainable speed for oil-air lubrication		110000	r/min
Ball diameter	D_w	2.381	mm
Number of balls	z	14
Reference grease quantity	G_ref	0.07	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	11	N
Static axial stiffness, preload class A		15	N/µm
Preload class B	G_B	33	N
Static axial stiffness, preload class B		25	N/µm
Preload class C	G_C	66	N
Static axial stiffness, preload class C		37	N/µm
Calculation factors
Calculation factor	f	1.06
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.09
Calculation factor	f_2C	1.16
Calculation factor	f_HC	1
Calculation factor	f₀	15.4

Mass

Mass bearing

0.006

Model Number: 71801 CD/P4
Inner Diameter：12mm Outer Diameter：21mm Width：5mm
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:Vacuum generator,orthodontic material,powder metallurgy,static control,Display Devices,Industrial,ECG,food add,hydraulic pressure gauge,printing equipment,extruder
Similar models:71801 ACD/HCP4 71801 ACD/P4 71801 CD/P4 71801 CD/HCP4
BEARING POWER International Trading Co.,Ltd. specialize in 71801CD/P4 products，there is large inventory of SKF 71801 CD/P4 Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71801 CD/P4 Which SKF 71801CD/P4 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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