Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71911 ACE/P4AL

71911 ACE/P4AL

Dimensions

d		55	mm
D		80	mm
B		13	mm
d₁		62.75	mm
d₂		60.7	mm
D₁		72.3	mm
b		2.2	mm
C₁		6.5	mm
C₂		2.5	mm
C₃		2	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		23.5	mm

Abutment dimensions

d_a	min.	59.6	mm
d_b	min.	57	mm
D_a	max.	75.4	mm
D_b	max.	78	mm
r_a	max.	1	mm
r_b	max.	0.3	mm
d_n		64.6	mm

Calculation data

Basic dynamic load rating	C	14.6	kN
Basic static load rating	C₀	10.2	kN
Fatigue load limit	P_u	0.43	kN
Attainable speed for grease lubrication		21000	r/min
Attainable speed for oil-air lubrication		32000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	21
Reference grease quantity	G_ref	2.3	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	133	N
Static axial stiffness, preload class A		105	N/µm
Preload class B	G_B	400	N
Static axial stiffness, preload class B		160	N/µm
Preload class C	G_C	800	N
Static axial stiffness, preload class C		210	N/µm
Calculation factors
Calculation factor	f	1.16
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

0.17

Model Number: 71911 ACE/P4AL
Inner Diameter：55mm Outer Diameter：80mm Width：13mm
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:vacuum suction cup,Film machine,boring bar boring bar,paint paint,circulating pump,relay,CNC,fabric products,Food testing,wall industry,Liposuction device
Similar models:S71911 CB/HCP4A 71911 CB/HCP4A 71911 CD/P4AL 71911 CB/P4AL 71911 ACE/HCP4AH1 71911 ACB/P4AL 71911 ACD/HCP4A 71911 ACD/HCP4AL 71911 CD/HCP4A 71911 ACE/P4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71911ACE/P4AL products，there is large inventory of SKF 71911 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 71911 ACE/P4AL Which SKF 71911ACE/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
18 VA V	16	-	-	Seals
30x44x7 HMS5 RG	30	44	7	Seals
523587	330.2	-	-	Seals
618/1120 TN	1120	1360	106	Bearings, units and housings
700 VRME R	680	-	-	Seals
7009 ACD/P4A	45	75	16	Bearings, units and housings
71910 ACE/P4AL	50	72	12	Bearings, units and housings
D/W R1	1.397	4.762	1.984	Bearings, units and housings
K 105x112x21	105	112	21	Bearings, units and housings
NNC 4912 CV	60	85	25	Bearings, units and housings
S7004 CE/P4A	20	42	12	Bearings, units and housings
SNW 126x4.7/16	112.7125	171.577	126.2888	Bearings, units and housings

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Hot number： 1350580 180 VL V 22216 EK 30x45x8 CRS1 V 361201 R 50x62x10 CRS1 R 51156 M 6004-2ZNR 7226 CD/P4A 84962 85x110x10 CRW1 R BTM 130 ATN9/HCP4CDB PCM 161825 E SNL 206-305 YELAG 208