Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71911 ACD/HCP4A

S71911 ACD/HCP4A

Dimensions

d		55	mm
D		80	mm
B		13	mm
d₁		62.7	mm
d₂		62.7	mm
D₂		74.57	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_a	max.	62.1	mm
d_b	min.	59.6	mm
d_b	max.	62.1	mm
D_a	max.	75.4	mm
D_b	max.	78	mm
r_a	max.	1	mm
r_b	max.	0.3	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
Ball diameter	D_w	7.938	mm
Number of balls	z	23
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: S71911 ACD/HCP4A
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:Vertical pull,Rolling mill gear box,test laboratory equipment and accessories,Cylinder Micro,bag machine,directional control valve,building decoration raw materials and accessories,Industrial,Spectrum Products,expectoration machine,manual Tools
Similar models:71911 ACE/HCP4A 71911 CE/P4AH1 71911 ACD/HCP4A 71911 CE/HCP4A S71911 ACD/P4A 71911 ACD/P4AL S71911 ACB/HCP4A 71911 ACD/HCP4AL 71911 CE/P4AL 71911 ACB/HCP4AL
BEARING POWER International Trading Co.,Ltd. specialize in S71911ACD/HCP4A products，there is large inventory of SKF S71911 ACD/HCP4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the S71911 ACD/HCP4A Which SKF S71911ACD/HCP4A 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
16246	41.275	63.55	7.95	Seals
2700558	685.8	736.6	20.65	Seals
619/1060 MB	1060	1400	150	Bearings, units and housings
BT4-8139 G/HA1	711.2	914.4	-	Bearings, units and housings
BD-C 3236 K-H 2336	160	320	112	Bearings, units and housings
FSAF 1517 TLC	74.6125	-	-	Bearings, units and housings
GEH 90 TXA-2LS	90	150	85	Bearings, units and housings
MS 3068-64	-	-	24	Bearings, units and housings
NU 348 MA	240	500	95	Bearings, units and housings
TU 7/8 TF	22.225	-	-	Bearings, units and housings
YET 209	45	85	30.2	Bearings, units and housings
ZW 32x40	32	40	2	Seals

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Hot number： BD-22260 CCK/W33-AOH 2260 G 23678 528416 60980 M 6330 M 7013 CD/HCP4A 811/560 M BT4-8147 G/HA1 K 89444 M NNU 4930 B/SPW33 NNU 4980 B/SPW33 OH 3984 HE PCM 130135100 M SAF 1520 x 3.3/8 TLC SYWK 1.3/16 YTH