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

71920 ACB/P4A

Dimensions

d		100	mm
D		140	mm
B		20	mm
d₁		114.92	mm
d₂		113.16	mm
D₂		128.7	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		41.4	mm

Abutment dimensions

d_a	min.	106	mm
d_b	min.	106	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		116.1	mm

Calculation data

Basic dynamic load rating	C	27.6	kN
Basic static load rating	C₀	33.5	kN
Fatigue load limit	P_u	0.815	kN
Attainable speed for grease lubrication		11000	r/min
Attainable speed for oil-air lubrication		17000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	37
Reference grease quantity	G_ref	9.96	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	125	N
Static axial stiffness, preload class A		157	N/µm
Preload class B	G_B	250	N
Static axial stiffness, preload class B		202	N/µm
Preload class C	G_C	750	N
Static axial stiffness, preload class C		306	N/µm
Calculation factors
Calculation factor	f	1.11
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.07
Calculation factor	f_HC	1
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

0.85

Model Number: 71920 ACB/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：2026-07-29
Application:Leather Products,stacker lift platform,plastic molding,Technical Equipment,Medium and large motor,sawing machine,atomizer class,respirator,Traffic Fire Protection Equipment Security equipment,Performance test,Pump
Similar models:S71920 ACE/P4A 71920 ACD/P4AL 71920 CD/HCP4AH1 71920 CE/HCP4AL 71920 CB/P4A 71920 CB/HCP4A 71920 ACE/HCP4A S71920 ACD/HCP4A 71920 CE/P4AL 71920 ACD/HCP4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71920ACB/P4A products，there is large inventory of SKF 71920 ACB/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 ACB/P4A Which SKF 71920ACB/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.
Model No. Inner Diameter Outer Diameter Width Type

719/9 CE/HCP4AH
GE 20 TXG3E-2LS
SAF 22613
SNL 30/530 TURT
SSAFS 22234 T

Purchase the SKF 71920 ACB/P4A Please fill in the following

Hot number： 216-2Z 22344 CCK/W33 + AOH 2344 527820 6305-2RS1 71806 ACD/HCP4 71905 ACE/HCP4AL 7210 BEGBP 99376 AOH 32/750 FY 1.3/4 TF/VA228 PCMW 142601.5 E S71905 CE/P4A SAF 22224 SNL 3134 ATURA SYNT 55 LTF

Model No.	Inner Diameter	Outer Diameter	Width	Type
719/9 CE/HCP4AH
GE 20 TXG3E-2LS
SAF 22613
SNL 30/530 TURT
SSAFS 22234 T