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

71911 CE/HCP4AL

Dimensions

d		55	mm
D		80	mm
B		13	mm
d₁		62.75	mm
d₂		60.7	mm
D₁		72.3	mm
b		2.2	mm
C₁		6.5	mm
C₂		2.5	mm
C₃		2	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		16.2	mm

Abutment dimensions

d_a	min.	59.6	mm
d_b	min.	57	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		64.6	mm

Calculation data

Basic dynamic load rating	C	15.3	kN
Basic static load rating	C₀	10.6	kN
Fatigue load limit	P_u	0.455	kN
Attainable speed for grease lubrication		28000	r/min
Attainable speed for oil-air lubrication		43000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	21
Reference grease quantity	G_ref	2.3	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	83	N
Static axial stiffness, preload class A		46	N/µm
Preload class B	G_B	250	N
Static axial stiffness, preload class B		74	N/µm
Preload class C	G_C	500	N
Static axial stiffness, preload class C		102	N/µm
Calculation factors
Calculation factor	f	1.16
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.05
Calculation factor	f_2C	1.09
Calculation factor	f_HC	1.01
Calculation factor	f₀	8.4

Mass

Mass bearing

0.14

Model Number: 71911 CE/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：2024-12-14
Application:set bacteria instrument,storage shelves,raw material accessories,security,metallurgical mold,pump accessories,pneumatic Pump,supporting facilities,X-ray Equipment,Surveying Surveying Instruments,medical Equipment
Similar models:71911 ACD/HCP4A S71911 CD/P4A 71911 CB/HCP4A 71911 ACE/HCP4A S71911 CD/HCP4A S71911 CE/P4A 71911 ACB/P4AL S71911 CE/HCP4A S71911 ACD/P4A S71911 ACE/P4A
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Hot number： 13050 195x230x15 CRSH1 R 2310 K 25 VS V 330886 B 71924 ACB/P4A FYK 40 WD FYT 1.3/4 TF/VA201 GEC 480 TXA-2RS HME 30/850 NCF 3040 CV PF 20 TF RNA 4904 SAFS 22520 x 3.3/8 T SYE 2 11/16-18