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

71911 ACB/HCP4AL

Dimensions

d		55	mm
D		80	mm
B		13	mm
d₁		63.94	mm
d₂		62.7	mm
D₂		73.2	mm
b		2	mm
C₁		6.5	mm
C₂		3.8	mm
C₃		1.7	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		26	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		64.8	mm

Calculation data

Basic dynamic load rating	C	12.7	kN
Basic static load rating	C₀	12.7	kN
Fatigue load limit	P_u	0.325	kN
Attainable speed for grease lubrication		24000	r/min
Attainable speed for oil-air lubrication		38000	r/min
Ball diameter	D_w	5.556	mm
Number of balls	z	28
Reference grease quantity	G_ref	2.58	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	55	N
Static axial stiffness, preload class A		98	N/µm
Preload class B	G_B	110	N
Static axial stiffness, preload class B		126	N/µm
Preload class C	G_C	330	N
Static axial stiffness, preload class C		192	N/µm
Calculation factors
Calculation factor	f	1.09
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1.01
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 ACB/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：2026-04-16
Application:Blood coagulation reagent,sheet industry,generator,Microwave Equipment,construction machinery and equipment,Material handling equipment,car shock absorber,agricultural testing and analysis equipment and related,SPA equipment,natural instruments,car instrument
Similar models:S71911 CB/HCP4A 71911 CE/P4AH1 71911 CD/P4A S71911 CD/P4A 71911 ACD/HCP4A S71911 ACE/P4A S71911 CD/HCP4A 71911 ACE/HCP4AH1 S71911 CE/P4A S71911 ACD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71911ACB/HCP4AL products，there is large inventory of SKF 71911 ACB/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 ACB/HCP4AL Which SKF 71911ACB/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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
120x160x12 HMS5 RG	120	160	12	Seals
1750530	444.5	495.3	17.48	Seals
38x60x10 HMSA10 RG	38	60	10	Seals
48x68x8 CRW1 R	48	68	8	Seals
7 VA R	6	-	-	Seals
BD-C 3192 KM-OH 3192 H	430	760	240	Bearings, units and housings
FYR 2 15/16-3	74.6125	-	-	Bearings, units and housings
G 22x28x4	22	28	4	Seals
K 25x30x17	25	30	17	Bearings, units and housings
NJ 215 ECML	75	130	25	Bearings, units and housings
S7200 CD/P4A	10	30	9	Bearings, units and housings
ZW 12x17	12	17	2	Seals

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Hot number： 1400234 20x52x7 HMSA10 V 23048 CCK/W33 C 4030 K30V FSAF 22615 x 2.1/2 FYAWK 1.15/16 LTHR FYTB 50 TF N 1019 KTN9/SP RLS 8-2RS1 SAF 22334 SAF 22540 SNL 519 TURU SYJ 516 YEL 206-2F YEL 208-108-2F