Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71920 CD/P4A

71920 CD/P4A

Dimensions

d		100	mm
D		140	mm
B		20	mm
d₁		112.3	mm
d₂		112.3	mm
D₁		127.7	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		26.1	mm

Abutment dimensions

d_a	min.	106	mm
d_b	min.	106	mm
D_a	max.	134	mm
D_b	max.	136	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		115.6	mm

Calculation data

Basic dynamic load rating	C	60.5	kN
Basic static load rating	C₀	65.5	kN
Fatigue load limit	P_u	2.55	kN
Attainable speed for grease lubrication		8500	r/min
Attainable speed for oil-air lubrication		14000	r/min
Ball diameter	D_w	12.7	mm
Number of balls	z	26
Reference grease quantity	G_ref	10.5	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	230	N
Static axial stiffness, preload class A		107	N/µm
Preload class B	G_B	460	N
Static axial stiffness, preload class B		147	N/µm
Preload class C	G_C	920	N
Static axial stiffness, preload class C		209	N/µm
Preload class D	G_D	1840	N
Static axial stiffness, preload class D		306	N/µm
Calculation factors
Calculation factor	f	1.23
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	16.3

Mass

Mass bearing

0.8

Model Number: 71920 CD/P4A
Inner Diameter：100mm Outer Diameter：140mm Width：20mm
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：2021-06-06
Application:heating fans,Food testing,granulator,Body shaping,motor,key lock,electronic components,office equipment,electric hydraulic lifting platform,Microwave Equipment,chamfer
Similar models:71920 CD/P4A 71920 ACB/P4A S71920 ACB/HCP4A 71920 ACB/P4AL 71920 ACD/P4AL PCM 171920 E 71920 CB/P4AL S71920 CB/P4A 71920 ACD/P4AH1 71920 ACE/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71920CD/P4A products，there is large inventory of SKF 71920 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 71920 CD/P4A Which SKF 71920CD/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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1000 VL V	910	-	-	Seals
314441 B	500	720	-	Bearings, units and housings
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7303 BE-2RZP	17	47	14	Bearings, units and housings
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SAF 23056 KA x 10	254	-	-	Bearings, units and housings
SYE 3-18	76.2	-	-	Bearings, units and housings
W 61902-2RS1	15	28	7	Bearings, units and housings
YAR 216-300-2F	76.2	140	77.8	Bearings, units and housings

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