Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71920 ACD/HCP4AH1

71920 ACD/HCP4AH1

Dimensions

d		100	mm
D		140	mm
B		20	mm
d₁		112.3	mm
d₂		112.3	mm
D₁		127.7	mm
K		0.5	mm
C₁		5.46	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		38.1	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	57.2	kN
Basic static load rating	C₀	63	kN
Fatigue load limit	P_u	2.4	kN
Attainable speed for grease lubrication		9000	r/min
Attainable speed for oil-air lubrication		15000	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	360	N
Static axial stiffness, preload class A		283	N/µm
Preload class B	G_B	720	N
Static axial stiffness, preload class B		373	N/µm
Preload class C	G_C	1440	N
Static axial stiffness, preload class C		498	N/µm
Preload class D	G_D	2880	N
Static axial stiffness, preload class D		680	N/µm
Calculation factors
Calculation factor	f	1.23
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.17
Calculation factor	f_HC	1.04
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

0.67

Model Number: 71920 ACD/HCP4AH1
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:other lathe,tire industry,Industrial,Industrial,metering pump,Performance test,hot and cold box,lathe,crimping tools,hardware,Seals
Similar models:71920 CE/P4AL S71920 ACB/HCP4A 71920 ACB/P4A 71920 CD/P4AH1 71920 ACE/HCP4AH1 71920 ACD/P4AH1 71920 ACD/HCP4AH1 71920 CB/P4A 71920 CD/HCP4A 71920 CE/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71920ACD/HCP4AH1 products，there is large inventory of SKF 71920 ACD/HCP4AH1 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 ACD/HCP4AH1 Which SKF 71920ACD/HCP4AH1 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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32x47x6 HMSA10 V	32	47	6	Seals
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H 3140	180	250	150	Bearings, units and housings
HA 3130	131.7625	195	111	Bearings, units and housings
HE 3032	139.7	160	93	Bearings, units and housings
K 45x53x21	45	53	21	Bearings, units and housings
KMD 19	32	-	95	Bearings, units and housings
OKC 690	690		-

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Hot number： 1425580 470721 6004/HR22Q2 61814 6304-2RSL 9667 9854 BT2B 334030/HA1 FSAF 1518 x 3.1/8 RNU 1014 ECP SAF 22538 x 6.7/8 TLC SAFS 22534 x 5.13/16 T SAFS 22536 x 6.3/8 TLC SSAFS 22640 T W 606-2Z