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The YRT200 Rotary table bearings of LYZC have been adopted by the National Astronomical Observatorie

【Time:2012-09-05】【Sources:The station】【Author:Administrator】【Click:2626】

The YRT200 Rotary table bearings of LYZC have been adopted by the National Astronomical Observatories, Chinese Academy of sciences.

In July , our YRT200 Rotary table bearings of LYZC have been adopted by the National Astronomical bservatories, Chinese Academy of sciences.

Luoyang Hongyuan Bearing Technology Co.Ltd, which is the only professional manufacturer who committed to research and development of high precision axial / radial rotay table bearings and high precision crossed roller bearings in China.
 


Axial/radial bearings YRT:YRT bearing consists of thrust/radial housing washer,a thrust/radial shaft,two Axial needle roller and cage assemblies and a group of radial cylindrical roller.Housing washer and shaft washer have equally sspaced fitting bolt.This kind of bearings have high axial load and radial load,and high tilting rigidity and high precision.This bearing can be used to the machine tool and other high precision machinery of the rotary table or sub-set,and also can be used for chuck,measuring instruments and test equipment and rotary table configuration.This bearing requires higher quality or the parts to match it.You must control screw tightening torque when install.

Bearing features:
1.   High precision: precision at P4, P2.
2.   High rigidity: YRT series bearings are with preload.
3.   High load capacity: bearings can support axial load, radial load and tilting  load.
4.   High speed: YRTS series bearings can be applied in the high speed working condition.

YRT200
d
200 mm 
 
D
300  mm 
 
H
45  mm 
 
1)
 
Retention screws
a
6,2  mm 
Fixing holes in inner ring
C
15  mm 
 
D1 max
274  mm 
 
d1
7  mm 
Fixing holes in inner ring
d2
11  mm 
Fixing holes in inner ring
d3
7  mm 
Fixing holes in outer ring
G
M8  
Extraction thread
H1
30  mm 
 
H2
15  mm 
 
J
215  mm 
Fixing holes in inner ring
J1
285  mm 
Fixing holes in outer ring
nG
3  
Number of extraction threads
nHS
2  
Number of retaining screws
nSa
45  
Number of fixing holes in outer ring
nSi
46  
Number of fixing holes in inner ring
t
48 X 7,5°  
Number of pitches X angle of pitches
 
 
including retaining screws and threaded extraction holes
m
9,7  kg 
Mass
MA
14  Nm 
Screw tightening torque
Ca
98000  N 
Basic dynamic load rating, axial
C0a
650000  N 
Basic static load rating, axial
Cr
89000  N 
Basic dynamic load rating, radial
C0r
236000  N 
Basic static load rating, radial
nG
170  1/min 
Limiting speed
MRL
15  Nm 
Bearing frictional torque
caL
3000  N/μm 
Axial rigidity
crL
3500  N/μm 
Radial rigidity
ckL
23000  Nm/mrad 
Tilting rigidity
LYZC main products are YRT series rotary table bearing and crossed roller bearings,with precision of P5,P4,or P2,which outer ring diameter ranges between ?50mm-?1800mm.Our rotary table bearings cover YRT basis series,YRTS high rotational speed bearings, YRTM rotary bearing with angle measuring system,and ZKLDF double direction axial angular contact ball bearings. Our crossed roller bearings cover INA’s SX series, IKO’s CRB series,CRBC series, and CRBH series,THK’s RB series,RE series, and RU series, XR series and JXR series.

In the past years,LYZC have been improving our technology on bearing development and manufacture.Now,our bearing produce skills is very perfect and experiented, and LYZC can control our quality strictly to achive customers requirement. At present,the precision and specifications of our bearing have catched that of the most famous company’s product. LYZC bearing have been widely used on high precision numerical rotary table,index head,machine tools ,industry robots,as soon as the fields with high requirement on rotation accuracy in measurement and test.

 


 

 
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