Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71911 ACD/HCP4AL

71911 ACD/HCP4AL

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		17000	r/min
Attainable speed for oil-air lubrication		28000	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		137	N/µm
Preload class B	G_B	240	N
Static axial stiffness, preload class B		179	N/µm
Preload class C	G_C	480	N
Static axial stiffness, preload class C		234	N/µm
Preload class D	G_D	960	N
Static axial stiffness, preload class D		312	N/µm
Calculation factors
Calculation factor	f	1.15
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

0.15

Model Number: 71911 ACD/HCP4AL
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:other CNC,Insect Capture,Power equipment,metallurgical mold,Reflective Materials Industrial fabrics,tooth filling,sleep monitoring,Grinding and polishing equipment,Laser Cutting,aerial work platform,blood cell reagent
Similar models:S71911 ACD/P4A 71911 CD/P4AL S71911 CB/P4A S71911 CE/P4A 71911 ACE/P4AL 71911 CE/P4A S71911 ACD/HCP4A 71911 CD/P4A S71911 ACB/HCP4A 71911 ACB/HCP4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71911ACD/HCP4AL products，there is large inventory of SKF 71911 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 71911 ACD/HCP4AL Which SKF 71911ACD/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.

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21136	53.975	76.12	11.13	Seals
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41185	104.775	133.38	11.13	Seals
47x70x10 HMS5 RG	47	70	10	Seals
531635	227.0252	-	-	Seals
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SAF 22220	100	-	-	Bearings, units and housings
SSAFS 22524 x 4.1/16	103.1875	-	-	Bearings, units and housings
W 619/2-2Z	2	6	2.3	Bearings, units and housings
WS 81120	100		7	Bearings, units and housings

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Hot number： 24160 CC/W33 275 VL V 320x380x25 HDS1 R1 38.5x58x7 HMS5 RG 38x62x10 HMSA10 V 57578 6313 M 70/530 BM 99452 BT4-8053/HA1 BTW 160 CM/SP GEZ 400 ESX-2LS HE 3034 E HJ 2322 EC NAO 15x28x13