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

S71911 CD/P4A

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		15.6	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	19.5	kN
Basic static load rating	C₀	14.6	kN
Fatigue load limit	P_u	0.62	kN
Attainable speed for grease lubrication		16000	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	70	N
Static axial stiffness, preload class A		49	N/µm
Preload class B	G_B	140	N
Static axial stiffness, preload class B		65	N/µm
Preload class C	G_C	280	N
Static axial stiffness, preload class C		89	N/µm
Preload class D	G_D	560	N
Static axial stiffness, preload class D		126	N/µm
Calculation factors
Calculation factor	f	1.15
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.09
Calculation factor	f_2D	1.15
Calculation factor	f_HC	1
Calculation factor	f₀	10.4

Mass

Mass bearing

0.18

Model Number: S71911 CD/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：2024-12-13
Application:electric hydraulic lifting platform,spectrometer,E Beauty,molding machine,medical equipment,metallurgical mold,bathroom facilities,Cylinder Special,electromagnet,gear type,Spectrum Products
Similar models:S71911 CE/HCP4A S71911 CB/HCP4A S71911 CD/P4A S71911 ACE/P4A 71911 ACB/HCP4AL 71911 ACD/P4A S71911 ACB/HCP4A 71911 ACE/HCP4A S71911 CE/P4A 71911 ACB/HCP4A
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PSMF 182418 A51	18	24	18	Bearings, units and housings
SSAFS 22516 TLC	68.2625	-	-	Bearings, units and housings
W 14	70.8914	97.2312	-	Bearings, units and housings
YAR 213-2F	65	120	68.3	Bearings, units and housings

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Hot number： 11930 248/800 CAK30MA/W20 30313 70x110x12 HMS5 V 71922 CE/P4AL 71964 ACDMA/HCP4A 79961 970 VE R BD-C 3156 K-AOH 3156 G C 4024 V/VE240 N 1017 KTN9/HC5SP NNU 41/530 K30M/W33 NU 1026 M SY 1.3/8 LDW YARAG 206