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：2024-12-13
Application:trolley,plastic molding,electric pump,Traffic Fire Protection Equipment Security equipment,survey accessories,other processing,paint paint,screen filter,generator,power protection,Cylinder Micro
Similar models:71920 ACE/HCP4AH1 71920 ACD/P4AL S71920 ACB/HCP4A 71920 CD/P4A 71920 ACE/P4A 71920 CB/P4A 71920 CD/P4AH1 PCM 171920 E 71920 CD/HCP4AH1 71920 ACD/HCP4AH1
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.

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Hot number： 32024 X/DF 32936T103/DB 524599 6205 N 6216/C3VL0241 7030 CD/P4AH1 AH 24136 BT4B 328349/HA1 FYR 3 11/16 MS 3176 NU 214 ECP OKBS 99 RN-1.5x5.8 BF/G2 SNW 3026x4.3/8 W 619/2