Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71911 ACE/P4A

S71911 ACE/P4A

Dimensions

d		55	mm
D		80	mm
B		13	mm
d₁		62.75	mm
d₂		60.7	mm
D₂		74.7	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_a	max.	62.2	mm
d_b	min.	57	mm
d_b	max.	60.1	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	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
Ball diameter	D_w	7.938	mm
Number of balls	z	21
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: S71911 ACE/P4A
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:pump accessories,Anti-defibrillation pacing,granulator,aerial work platform,safety testing,tobacco machinery,Insect Count,Broadcasting System,top industry,ventilation heating equipment,hydraulic cylinder
Similar models:71911 CB/P4AL 71911 ACB/HCP4A 71911 CD/HCP4A S71911 ACB/P4A S71911 CE/P4A 71911 ACE/P4AL 71911 ACD/HCP4AL S71911 CB/P4A S71911 ACD/P4A S71911 CD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in S71911ACE/P4A products，there is large inventory of SKF S71911 ACE/P4A 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 ACE/P4A Which SKF S71911ACE/P4A 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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