YRT200 china yrt rotary bearing manufacturer For Machines Tools

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YRT200 china yrt rotary bearing manufacturer  For Machines Tools
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Features
Specifications
Material: GCr15 Or GCr15SiMn
Accuracy: P4/P2
Application: Machine Tool Or Turntable
Customer: MKD,LCM,DMG,FFG,Haas,etc
Dimension: 200*300*45mm
Samples: Available
Market: USA,Italy,Germany,Japan,Russia,etc
Guarantee Time: 12months
Range: YRT50~YRT1050
Stock: In Stock
High Light:

industrial turntable bearings

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heavy duty turntable bearings

Basic Infomation
Place of Origin: CHINA
Brand Name: MONTON
Certification: ISO9001
Model Number: YRT200
Payment & Shipping Terms
Packaging Details: Singlebox
Delivery Time: 7-35 days
Payment Terms: T/T
Supply Ability: 10000PCS/WEEK
Product Description

YRT200 bearings drawings

YRT200 china yrt rotary bearing manufacturer  For Machines Tools 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

In the same time,we can also supply the below goods:

The type of YRT rotary table YRT series are as below:

YRT50,YRT80,YRT100,YRT120,YRT150,YRT180,YRT200,YRT260,YRT325,YRT460,

YRT580,YRT650,YRT850,YRT950,YRT1030

YRTS series:

YRTS50,YRTS80,YRTS100,YRTS120,YRTS150,YRTS180,YRTS200,YRTS260,YRTS325,YRTS460,YRTS580,YRTS650,YRTS850,YRTS950,YRTS1030

ZKLDF series:

ZKLDF100, ZKLDF120, ZKLDF150, ZKLDF200, ZKLDF260, ZKLDF325, ZKLDF395, ZKLDF460

YRTM series:

YRTM50,YRTM80,YRTM100,YRTM120,YRTM150,YRTM180,YRTM200,YRTM260,YRTM325,YRTM460,YRTM580,YRTM650,YRTM850,YRTM95

Features:
YRT precision rotary table bearing is a kind of bearing fixed by a bidirectional thrust bearing and a centripetal-guided bearing. They can support radial loads, axial loads from both directions and tilting moments free from clearance and are particularly suitable for bearing arrangements with high requirements for running accuracy,like rotary tables, millings heads and reversible clamps.Due to the fixing holes in the bearing rings, the units are very easy to fit.
The bearings are radially and axially preloaded after fitting.

Sealing/Lubricant:
YRT bearings are supplied with seals. YRT bearings are greased by a lithium complex soap grease and can be lubricated via the outer ring and L-section ring.

Operating temperature:
YRT bearings are suitable for operating temperatures from 30℃ to 120℃

Design and safety guidelines:
Basic rating life:
Please contact us in relation to checking of the basic rating life .The speed ,load and operating duration must be given.

Static load safety factor:
02-1

The static load safety factor S0 indicates the security against impermissible permanent deformations in the bearing. It is determined as follows:
Static load safety factor :Cor Coa N
Basic static load rating according to dimension tables: For Foa N
Maximum static load on the radial or axial bearing.
Caution! In machine tools and similar areas of application, S0 should be >4

Limiting speeds:
The bearings allow the limiting speeds given in the dimension tables. The operating temperatures occurring are heavily dependent on the environmental conditions. Calculation is possible by means of a thermal balance analysis based on frictional torque data.

Frictional torque:
The bearing frictional torque MRL is influenced primarily by the viscosity and quantity of the lubricant and the bearing preload.
The lubricant viscosity and quantity are dependent on the lubricant grade and operating temperature. The bearing preload is dependent on the mounting fits, the geometrical accuracy of the adjacent parts, the temperature difference between the inner and outer ring, the screw tightening torque and the mounting situation.

Starting torque:
For YRT bearing, it must be taken into consideration that the frictional torque can increase by a factor of between 2 and 2.5 with increasing speed.

Accuracy of adjacent construction:
The adjacent construction should be produced in accordance with Figure and the tolerances must be in accordance with the tables starting on page. Any deviations will influence the bearing frictional torque ,running accuracy and running characteristics.

02-2

Legend to Figure:
1.Support over whole bearing height. It must be ensured that the means of support has adequate rigidity.
2.A precise fit is only necessary if radial support due to the load or a precise bearing position is required.
3.Note the bearing diameter D1 according to the dimension tables. Ensure that there is sufficient distance between the rotating bearing rings and the adjacent construction.
Geometrical and positional accuracy of the adjacent construction:

nominal shaft diameter
d
mm
Deviation
d
Roundness
Parallelism
Perpendicularity
t2,t2,t8,
over incl. for tolerance h5
µm
µm
50 80 0 -13 3
80 120 0 -15 4
120 150 0 -18 5
150 180 0 -18 5
180 250 0 -20 7
250 315 0 -23 8
315 400 0 -25 9
400 500 0 -27 10
500 630 0 -28 11
630 800 0 -32 12
800 1000 0 -36 14

 

 
nominal shaft diameter
D
mm
Deviation
D
Roundness
Parallelism
Perpendicularity
t2,t2,t8,
over incl. for tolerance zone h5
µm
µm
120 150 +18 -7 5
150 180 +18 -7 5
180 250 +22 -7 7
250 315 +25 -7 8
315 400 +29 -7 9
400 500 +33 -7 10
500 630 +34 -7 11
630 800 +38 -8 12
800 1000 +44 -12 14
1000 1250 +52 -14 16

Mounting dimensions H1,H2

05

 

 

L-section ring without support ring:
For the case “L-section ring without support ring”, the bearing designation is :YRT
L-section ring with support ring:YRT bore diameter VSP
For the case “L-section ring with support ring”, the bearing designation is :YRT VSP
Caution! For bearing arrangements with a supported L-section ring , only bearings with the suffix VSP,EB or T52EA can be ordered. If the normal design is mounted with a supported L-section ring, there will be a considerable increase in the bearing frictional torque .The support ring should be at least twice as the shaft locating washer of the bearing.

05-4(1)

 

 

 

 

Fitting:
Retaining screws secure the bearing components during transport, For easier centring of the bearing ,the screws should be loosened before fitting and either secured again or removed after fitting. Tighten the fixing screws in crosswise sequence by using a torque wrench in three stages to the specified tightening torque MA, rotating the bearing:
Stage 1 40% of MA
Stage 2 70% of MA
Stage 3 100% of MA
Observe the correct grade of the fixing screws.
Caution! Mounting forces must only be applied to the bearing ring to be fitted, never through the rolling elements. Bearing components must not be separated or interchanged during fitting and dismantling. If the bearing is unusually difficult to move ,loosen the fixing screws and tighten them again in steps with a crosswise sequence. This will eliminate any distortion. Bearings should only be fitted in accordance with ,Fitting and Maintenance Manual.

YRT Dimensional tolerances, mounting dimensions, axial and radial runout YRT

Dimensional tolerance Mounting dimensions Axial and radial
runout
Bore Outside
diameter
H1
mm
ΔH1s
mm
Restr-
icted
ΔH1s
mm
H1
mm
Restr-
icted
ΔH1s
mm
Stan-
dart
µm
Restri-
cted
µm
d
mm
Δds
mm
D
mm
ΔDs
mm
50 -0.008 126 -0.011 20 ±0.125 ±0.025 10 ±0.02 2 1
80 -0.009 146 -0.011 23.35 ±0.15 ±0.025 11.7 ±0.02 3 1.5
100 -0.01 185 -0.015 25 ±0.175 ±0.025 13 ±0.02 3 1.5
120 -0.01 210 -0.015 26 ±0.175 ±0.03 14 ±0.02 3 1.5
150 -0.013 240 -0.015 26 ±0.175 ±0.03 14 ±0.02 3 1.5
180 -0.013 280 -0.018 29 ±0.175 ±0.03 14 ±0.025 4 2
200 -0.015 300 -0.018 30 ±0.175 ±0.04 15 ±0.025 4 2
260 -0.018 385 -0.02 36.5 ±0.2 ±0.05 18.5 ±0.025 6 3
325 -0.023 450 -0.023 40 ±0.2 ±0.05 20 ±0.025 6 3
395 -0.023 525 -0.028 42.5 ±0.2 ±0.05 22.5 ±0.025 6 3
460 -0.023 600 -0.028 46 ±0.225 ±0.06 24 ±0.03 6 53
580 -0.025 750 -0.035 60 ±0.25 ±0.075 30 ±0.03 10 53
650 -0.038 870 -0.05 78 ±0.25 ±0.1 44 ±0.03 10 53
852 -0.05 1095 -0.063 80.5 ±0.3 ±0.12 43.5 ±0.03 12 63
950 -0.05 1200 -0.063 86 ±0.3 ±0.12 46 ±0.03 12 63
1030 -0.063 1300 -0.08 92.5 ±0.3 ±0.15 52.5 ±0.03 12 63

For rotating inner and outer ring,measured on fitted bearing, with ideal adjacent construction.
Special design,YRT only.
By agreement only for rotating outer ring.

Dimensional tolerance Mounting dimensions Axial and radial
runoutµm
Bore Outside
diameter
H1
mm
ΔH1s
mm
H2
mm
d
mm
Δds
mm
D
mm
ΔDs
mm
200 -0.015 300 -0.018 30 +0.04
-0.06
15 4
260 -0.018 385 -0.02 36.5 +0.05
-0.07
18.5 6
325 -0.023 450 -0.023 40 +0.06
-0.07
20 6
395 -0.023 525 -0.028 42.5 +0.06
-0.07
22.5 6
460 -0.023 600 -0.028 46 +0.07
-0.08
24 6

For rotating inner and outer ring,measured on fitted bearing, with ideal adjacent construction.

Special design:
For YRT, axial and radial runout tolerances reduced by 50%,
Additional text: axial/radial runout 50%
For YRT, loser tolerance on mounting dimensions H1 and H2. Additional text:H1 with tolerance±…; H2 with tolerance.

 

 

 

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