Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71920 CE/HCP4A

71920 CE/HCP4A

Dimensions

d		100	mm
D		140	mm
B		20	mm
d₁		112.4	mm
d₂		109	mm
D₁		127.51	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		26.7	mm

Abutment dimensions

d_a	min.	106	mm
d_b	min.	103.2	mm
D_a	max.	134	mm
D_b	max.	136.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		115.4	mm

Calculation data

Basic dynamic load rating	C	39	kN
Basic static load rating	C₀	31.5	kN
Fatigue load limit	P_u	1.2	kN
Attainable speed for grease lubrication		15500	r/min
Attainable speed for oil-air lubrication		24000	r/min
Ball diameter	D_w	12.7	mm
Number of balls	z	24
Reference grease quantity	G_ref	10	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	208	N
Static axial stiffness, preload class A		81	N/µm
Preload class B	G_B	624	N
Static axial stiffness, preload class B		129	N/µm
Preload class C	G_C	1250	N
Static axial stiffness, preload class C		178	N/µm
Calculation factors
Calculation factor	f	1.18
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.05
Calculation factor	f_2C	1.09
Calculation factor	f_HC	1.01
Calculation factor	f₀	8.5

Mass

Mass bearing

0.65

Model Number: 71920 CE/HCP4A
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：2025-12-09
Application:reducer,directional control valve,Hairbrush device,auto tools,air shower etc,municipal machinery,packaging machinery,Pneumatic Actuator,bio-chemical,electric pump,Cleaning equipment
Similar models:71920 CD/P4A 71920 CB/HCP4AL 71920 CD/HCP4AH1 71920 ACD/HCP4AL 71920 CD/HCP4A 71920 CE/HCP4AL 71920 CE/P4AH1 71920 CB/P4A 71920 CD/P4AL 71920 ACE/P4AH1
BEARING POWER International Trading Co.,Ltd. specialize in 71920CE/HCP4A products，there is large inventory of SKF 71920 CE/HCP4A 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 CE/HCP4A Which SKF 71920CE/HCP4A 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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
1000111	254	285.75	15.88	Seals
15635	39.7002	63.55	7.95	Seals
23168-2CS5/VT143	340	580	190	Bearings, units and housings
19x42x6 HMS5 V	19	42	6	Seals
34306/34478	77.788	121.442	24.608	Bearings, units and housings
350 VRME R	343	-	-	Seals
BT2B 328361/HA1	464	615.95	-	Bearings, units and housings
C 3136	180	300	96	Bearings, units and housings
HJ 1048	240	282	27	Bearings, units and housings
NA 6914	70	100	54	Bearings, units and housings
NUP 2212 ECML	60	110	28	Bearings, units and housings
OKC 700	700		-

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Hot number： 230/560 CAK/W33 44x68x8 CRW1 V 511/670 M 529490 7010 ACB/P4A C 3176 MB FYTJ 30 TF HK 1414 RS KMFE 22 L NRT 325 B NU 2292 MA PCM 220225100 E PCM 242720 M RMS 16 SIKAC 18 M