Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71900 CD/P4A

71900 CD/P4A

Dimensions

d		10	mm
D		22	mm
B		6	mm
d₁		14	mm
d₂		14	mm
D₁		18	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.2	mm
a		5.2	mm

Abutment dimensions

d_a	min.	12	mm
d_b	min.	12	mm
D_a	max.	20	mm
D_b	max.	20.6	mm
r_a	max.	0.3	mm
r_b	max.	0.2	mm
d_n		14.8	mm

Calculation data

Basic dynamic load rating	C	2.51	kN
Basic static load rating	C₀	1.1	kN
Fatigue load limit	P_u	0.048	kN
Attainable speed for grease lubrication		70000	r/min
Attainable speed for oil-air lubrication		110000	r/min
Ball diameter	D_w	3.175	mm
Number of balls	z	12
Reference grease quantity	G_ref	0.12	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	10	N
Static axial stiffness, preload class A		12	N/µm
Preload class B	G_B	20	N
Static axial stiffness, preload class B		16	N/µm
Preload class C	G_C	40	N
Static axial stiffness, preload class C		22	N/µm
Preload class D	G_D	80	N
Static axial stiffness, preload class D		32	N/µm
Calculation factors
Calculation factor	f	1.03
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.09
Calculation factor	f_2D	1.15
Calculation factor	f_HC	1
Calculation factor	f₀	9.5

Mass

Mass bearing

0.009

Model Number: 71900 CD/P4A
Inner Diameter：10mm Outer Diameter：22mm 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：2021-06-08
Application:clean stationery,tray industry,Broadcasting System,mathematical instruments,woodworking machinery,equipment,root canal filling,Optical Instruments,hydraulic control element,ship special,motorcycle
Similar models:71900 ACE/HCP4AH 71900 ACE/HCP4A S71900 CD/P4A 71900 ACD/HCP4A 71900 ACE/P4A 71900 CE/HCP4AH 71900 CE/P4A 71900 CD/HCP4A S71900 CD/HCP4A 71900 CD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71900CD/P4A products，there is large inventory of SKF 71900 CD/P4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71900 CD/P4A Which SKF 71900CD/P4A 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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