Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71813 CD/P4

71813 CD/P4

Dimensions

d		65	mm
D		85	mm
B		10	mm
d₁		71.7	mm
d₂		71.7	mm
D₁		78.5	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		15.1	mm

Abutment dimensions

d_a	min.	68.2	mm
d_b	min.	68.2	mm
D_a	max.	81.8	mm
D_b	max.	83	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm
d_n		72.4	mm

Calculation data

Basic dynamic load rating	C	13.5	kN
Basic static load rating	C₀	14.6	kN
Fatigue load limit	P_u	0.63	kN
Attainable speed for grease lubrication		15000	r/min
Attainable speed for oil-air lubrication		22000	r/min
Ball diameter	D_w	5.556	mm
Number of balls	z	29
Reference grease quantity	G_ref	1.3	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	71	N
Static axial stiffness, preload class A		61	N/µm
Preload class B	G_B	215	N
Static axial stiffness, preload class B		105	N/µm
Preload class C	G_C	430	N
Static axial stiffness, preload class C		155	N/µm
Calculation factors
Calculation factor	f	1.28
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	17.1

Mass

Mass bearing

0.13

Model Number: 71813 CD/P4
Inner Diameter：65mm Outer Diameter：85mm Width：10mm
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:ventilation heating equipment,Tool,embroidery cloth,hinge industry,reducer,Perfusion device,metering pump,coal mill,Safety protection,non-motor vehicle Electric car,wire industry
Similar models:71813 CD/HCP4 71813 ACD/HCP4 71813 CD/P4 71813 ACD/P4
BEARING POWER International Trading Co.,Ltd. specialize in 71813CD/P4 products，there is large inventory of SKF 71813 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 71813 CD/P4 Which SKF 71813CD/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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FSAF 22615	61.9125	-	-	Bearings, units and housings
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