Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71818 CD/P4

71818 CD/P4

Dimensions

d		90	mm
D		115	mm
B		13	mm
d₁		98.2	mm
d₂		98.2	mm
D₁		107.1	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		20.3	mm

Abutment dimensions

d_a	min.	94.6	mm
d_b	min.	94.6	mm
D_a	max.	110.4	mm
D_b	max.	113	mm
r_a	max.	1	mm
r_b	max.	0.3	mm
d_n		99.1	mm

Calculation data

Basic dynamic load rating	C	21.6	kN
Basic static load rating	C₀	26.5	kN
Fatigue load limit	P_u	1.1	kN
Attainable speed for grease lubrication		11000	r/min
Attainable speed for oil-air lubrication		17000	r/min
Ball diameter	D_w	7.144	mm
Number of balls	z	31
Reference grease quantity	G_ref	2.9	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	116	N
Static axial stiffness, preload class A		82	N/µm
Preload class B	G_B	350	N
Static axial stiffness, preload class B		142	N/µm
Preload class C	G_C	700	N
Static axial stiffness, preload class C		210	N/µm
Calculation factors
Calculation factor	f	1.33
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	17.2

Mass

Mass bearing

0.28

Model Number: 71818 CD/P4
Inner Diameter：90mm Outer Diameter：115mm Width：13mm
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：2021-06-04
Application:vertical pull,office equipment,diving equipment,molding machine,electromyography machine,Spectrum Products,car and accessories,surgical instruments,Hydraulic Hose,sterilizers,rock drilling machinery
Similar models:71818 ACD/P4 71818 ACD/HCP4 71818 CD/P4 71818 CD/HCP4
BEARING POWER International Trading Co.,Ltd. specialize in 71818CD/P4 products，there is large inventory of SKF 71818 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 71818 CD/P4 Which SKF 71818CD/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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