Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71920 ACD/HCP4AL

71920 ACD/HCP4AL

Dimensions

d		100	mm
D		140	mm
B		20	mm
d₁		112.3	mm
d₂		112.3	mm
D₁		127.7	mm
b		2.3	mm
C₁		10.9	mm
C₂		4	mm
C₃		3.3	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/HCP4AL
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：2026-04-16
Application:engineering machinery,Hair styling device,lifting chain,packaging materials,organic raw materials,Laser Cutting,Display Devices,electromagnet,pneumatic,standing experimental equipment,coupling type
Similar models:71920 ACE/HCP4AH1 71920 CB/P4AL S71920 CE/HCP4A 71920 CE/P4AH1 S71920 CB/P4A 71920 ACD/P4AL S71920 ACD/P4A 71920 ACD/HCP4A 71920 CB/HCP4AL 71920 ACE/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71920ACD/HCP4AL products，there is large inventory of SKF 71920 ACD/HCP4AL 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/HCP4AL Which SKF 71920ACD/HCP4AL 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
14035	35.9156	57.15	6.35	Seals
1725250	438.15	476.25	19.05	Seals
32205	25	52	19.25	Bearings, units and housings
50x65x8 HMSA10 V	50	65	8	Seals
6314 N	70	150	35	Bearings, units and housings
6332	160	340	68	Bearings, units and housings
71968 CDMA/HCP4A	340	460	56	Bearings, units and housings
HK 3020	30	37	20	Bearings, units and housings
IR 17x20x16	17	20	16	Bearings, units and housings
K 40x48x20	40	48	20	Bearings, units and housings
NU 1011 ECML/C3VL0241	55	90	18	Bearings, units and housings
SNW 3030x5.1/8	130.175	181.102	88.4428	Bearings, units and housings

Purchase the SKF 71920 ACD/HCP4AL Please fill in the following

Hot number： 1180 VE R 22206 EK 2222 500 VA R 6028-2Z 609/670 MA 67982/67919 7320 BECBM 90139 BT4B 328204/HA1 C 2220 KR 72 B KRE 19 PPA SNL 3168 TURT SSAFS 22516 x 2.3/4