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

71911 ACD/P4AL

Dimensions

d		55	mm
D		80	mm
B		13	mm
d₁		62.7	mm
d₂		62.7	mm
D₁		72.3	mm
b		2.2	mm
C₁		6.5	mm
C₂		3.2	mm
C₃		2	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		22.4	mm

Abutment dimensions

d_a	min.	59.6	mm
d_b	min.	59.6	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		64.7	mm

Calculation data

Basic dynamic load rating	C	18.2	kN
Basic static load rating	C₀	13.7	kN
Fatigue load limit	P_u	0.585	kN
Attainable speed for grease lubrication		15000	r/min
Attainable speed for oil-air lubrication		24000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	23
Reference grease quantity	G_ref	2.49	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	120	N
Static axial stiffness, preload class A		124	N/µm
Preload class B	G_B	240	N
Static axial stiffness, preload class B		161	N/µm
Preload class C	G_C	480	N
Static axial stiffness, preload class C		211	N/µm
Preload class D	G_D	960	N
Static axial stiffness, preload class D		282	N/µm
Calculation factors
Calculation factor	f	1.15
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_2D	1.14
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

0.18

Model Number: 71911 ACD/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：2025-12-09
Application:office equipment,Industrial,Embroidery,ship special,forklift truck,Medical equipment,Liposuction device,milling head plug,building decoration raw materials and accessories,sawing machine,Technical Equipment
Similar models:71911 CB/P4A S71911 ACD/P4A 71911 ACE/P4AL 71911 CE/HCP4AH1 S71911 ACE/P4A 71911 ACE/P4A 71911 ACD/P4A 71911 ACE/HCP4AH1 71911 ACD/HCP4A S71911 ACD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71911ACD/P4AL products，there is large inventory of SKF 71911 ACD/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 ACD/P4AL Which SKF 71911ACD/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
1300 VE R	1240	-	-	Seals
18444	46.8376	69.85	7.95	Seals
BD-232/710 CAK/W33-OH 32/710 H	670	1280	450	Bearings, units and housings
23296 CAK/W33 + AOHX 3296 G	460	870	310	Bearings, units and housings
3200 ATN9	10	30	14	Bearings, units and housings
32026 X	130	200	45	Bearings, units and housings
86563	-	-	44.45	Seals
K 25x35x30	25	35	30	Bearings, units and housings
HJ 324 EC	120	168.2	22.5	Bearings, units and housings
OKC 060	60		-
PCMW 527802 M	52	78	-	Bearings, units and housings
SNL 3076 G	380	-	-	Bearings, units and housings

Purchase the SKF 71911 ACD/P4AL Please fill in the following

Hot number： 15076 305272 D 6308-2Z 700 VA R 71912 ACE/P4A N 1012 KPHA/HC5SP NU 2944 ECMA NKIS 40 NNTR 90x220x100.2ZL NU 424 M OKF 400 PCZ 8060 E S7017 ACD/P4A SAF 22638 x 6.13/16 TLC YET 205-014