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YRTM Rotary Table Bearing

【Time:2012-07-12】【Sources:The station】【Author:Administrator】【Click:2067】

YRTM Rotary Table Bearing

Axial and radial bearing YRTM with the angle measuring system

          The series bearing is based on the YRT bearing; it is mounted with angle measuring system on the YRT bearing, in order to accurately measure and adjust the angle of the bearing rotating and make sure the high rotation speeds. Measuring system is composed of transmission chain and measuring scale. It adopts pure inductive measurement principle, so the signal, its precision and the precision of measuring is very high.And by using high protective measures, the measurement system will be not disturbed in operation from external ambience, such as Smoke and Dust, mild pollution and scratches, magnetic field. I can work reliably without too much maintenance; the application scope is very wide. It can be applied to high precision rotary table and axis rotation, index head, military radar, aviation, aerospace and the field with the high accuracy of Angle rotation in the measuring and the test.

Bearing type  Boundary dimension (mm) mounting holes
d D B H b D1 D2
1)
J J1 F L inner ring (mm) outer ring(mm)
  d1
 
d2 a quantity  d3 quantity 
YRTM150 150 240 43 26 12 214 215 165 225 16.5 121 7 11 6.2 34 7 33
YRTM180 180 280 46 29 15 244 245 194 260 16.5 140 7 11 6.2 46 7 45
YRTM200 200 300 47 30 15 274 276 215 285 16.5 152 7 11 6.2 46 7 45
YRTM260 260 385 55 36.5 18 345 345.5 280 365 17.5 192.5 9.3 15 8.2 34 9.3 33
YRTM325 325 450 60 40 20 415 415.5 342 430 18.5 225 9.3 15 8.2 34 9.3 33
YRTM395 395 525 65 42.5 20 486 486.5 415 505 18.5 262.5 9.3 15 8.2 46 9.3 45
YRTM460 460 600 70 46 22 560 560.5 482 580 18.5 300 9.3 15 8.2 46 9.3 45

Bearing type  Number of retaining screws Extraction thread  G 2 ) The runout of the axial and the radial Screw tightening torque MA 2) Basic load rating Tilting rigidity  Bearing frictional torque  3) Weight 
Axial 
Radial 
Dynamic load    Ca static load Coa Dynamic load Cr Static load Cor CkL CkL1
G quantity  quantity ×a° μm Nm KN kNm/mrad Nm Kg
YRTM150 2 M8 3 36×10° 3 14 112 630 56 170 83 14 10 6.2
YRTM180 2 M8 3 48×7.5° 4 14 118 710 69.5 200 125 21 12 7.7
YRTM200 2 M8 3 48×7.5° 4 14 120 765 81.5 220 160 27 14 9.7
YRTM260 2 M12 3 36×10° 6 34 160 1060 93 290 320 53 20 18.3
YRTM325 2 M12 3 36×10° 6 34 275 1930 120 345 630 105 40 25
YRTM395 2 M12 3 48×7.5° 6 34 300 2280 186 655 1100 185 55 33
YRTM460 2 M12 3 48×7.5° 6 34 355 2800 200 765 1700 285 70 45


remark:
1)Including retaining screws and threaded extraction holes.
2)Referring installing screws.
3)Bearing frictional torque must test by speed 5r/min,the stattup frictonal torque should be 2-2.5times of listed date.

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