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High Precision Slewing Bearing YRT 120 Rotary Table Bearing

High Precision Slewing Bearing YRT 120 Rotary Table Bearing
Rotary table bearing YRT120, the structure includes a set of radial rollers, two groups of thrust roller, cages, an outer ring, a L shaped inner ring and second inner ring. The outside and inside rings have mounting holes, also the bearing will be preloaded before out of factory. This design not only simplified the structure of parts, but much more reduced the requirements of installations and working time.
Product Details:

  

Product name

High Precision Slewing Bearing YRT 120 Rotary Table Bearing

Structure

YRT Rotary Table Bearing

Identification number

YRT120

 

 

 

 

Boundary dimensions (mm)

d

120

D

210

H

40

H1

26

C

12

D1

184

J

135

J1

195

 

Basic load rating(KN)

Axial load

dynamic

Ca

102

static

Coa

540

Radial load

dynamic

Cr

52

static

Cor

143

Limiting speed(grease)

r/min

340

Weight( Kg)

5.3


  

 

Holes of inner ring

 

Fixing holes

d1

 

mm

7

d2

11

a

6.2

quantity

24

 

Holes of outer ring

Fixing holes

d3 mm

7

quantity

21

Extraction thread hole

G

M8

quantity

3

Pitches

Quantity x t

24x15°

Tightening torque  Nm

14

Frictional torque   Nm

7

Rotation accuracy  μm

3

Machining tolerances for shafts

微信图片_20180329135917.jpg


  

Shaft diameter(mm)

Nominal dimension

120

upper

0

lower

-0.015

Roundness(O)

t1(μm)

6

Perpendicularity(⊥)

t3(μm)

4

Parallelism(∥)

t4(μm)

4

Ra roughness

Ra(μm)

0.4

Machining tolerances for housings

微信图片_20180329135935.jpg

Housing diameter(mm)

Nominal dimension

210

upper

0.022

lower

-0.007

Roundness            t1(μm)

10

Perpendicularity     t3(μm)

7

Parallelism          t4(μm)

7

Ra roughness         Ra(μm)

0.8

Structural Characteristics

 

 Rotary table bearing YRT120, the structure includes a set of radial rollers, two groups of thrust roller, cages,  an outer ring, a L shaped inner ring and second inner ring. The outside and inside rings have mounting holes, also the bearing will be preloaded before out of factory. This design not only simplified the structure of parts, but much more reduced the requirements of installations and  working time.

 

Applications

 

 Turntable bearing YRT120 are widely used in occations of high precision, high rigidity, but low joint load and short-time operations. Such as Indexing table and Rotary milling head ect.


Our Advantages

1. More than ten years Bearing exporting experiences.

2. OEM and non-standard Bearing Reqirement acceptable.

3. within 24 hours delivery after deposit or full payment for most Bearing Items

4. All products, we provide our customer one year warranty.


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