Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71920 ACE/P4AL

71920 ACE/P4AL

Dimensions

d		100	mm
D		140	mm
B		20	mm
d₁		112.4	mm
d₂		109	mm
D₁		127.51	mm
b		2.3	mm
C₁		10.9	mm
C₂		3	mm
C₃		3.3	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		39.2	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	36.4	kN
Basic static load rating	C₀	30	kN
Fatigue load limit	P_u	1.14	kN
Attainable speed for grease lubrication		11500	r/min
Attainable speed for oil-air lubrication		18000	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	332	N
Static axial stiffness, preload class A		187	N/µm
Preload class B	G_B	996	N
Static axial stiffness, preload class B		280	N/µm
Preload class C	G_C	1990	N
Static axial stiffness, preload class C		367	N/µm
Calculation factors
Calculation factor	f	1.18
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
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

0.77

Model Number: 71920 ACE/P4AL
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:chuck industry,Flame Cutting,power tools,electrocardiograph,turret industry,Gripper Swing,Anti-defibrillation pacing,Machine tools,rolling mill roll neck and slowdown device,pneumatic Pump,car
Similar models:71920 CB/P4AL 71920 CD/HCP4AH1 71920 ACD/HCP4AH1 71920 ACD/P4AL S71920 ACE/HCP4A 71920 CE/HCP4AL 71920 CB/HCP4A 71920 CE/P4AL 71920 ACE/HCP4AL S71920 ACD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71920ACE/P4AL products，there is large inventory of SKF 71920 ACE/P4AL 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 ACE/P4AL Which SKF 71920ACE/P4AL 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
22328 CCJA/W33VA405	140	300	102	Bearings, units and housings
71916 CE/HCP4AH1	80	110	16	Bearings, units and housings
7210 BECBM	50	90	20	Bearings, units and housings
BMD-6206/064S2/UA008A	30	62	22.2	Bearings, units and housings
BD-C 3056 K-OH 3056 H	260	420	106	Bearings, units and housings
FY 60 LF	60	-	-	Bearings, units and housings
PBM 200220120 M1G1	200	220	120	Bearings, units and housings
RN-3.5x29.8 BF/G2	-	-	3.5	Bearings, units and housings
SAFS 22516-11 x 2.5/8	66.675	-	-	Bearings, units and housings
SAFS 23038 KAT x 6.13/16	173.0375	-	-	Bearings, units and housings
SAW 23238 TLC	190	-	-	Bearings, units and housings
SYFWR 1. YZTHR	25.4	-	-	Bearings, units and housings

Purchase the SKF 71920 ACE/P4AL Please fill in the following

Hot number： 100x125x12 CRW1 R 23030-2CS5K/VT143 23184-2CS5K/VT143 BD-240/500 ECAK30/W33-AOH 240/500 30230/DF 7571 81230 M 99162 FSAF 1220 GX 20 F KM 14 NUP 209 ECPH OKC 170 SAFS 22522 x 3.11/16 SYE 1 7/16 N