LUOYANG MONTON BEARING SCIENCE & TECHNOLOGY CO.,LTD.
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RE20030UUCC0P5 200*280*30mm Crossed roller bearing for Hollow Shaft Harmonic Drive CNC machine reducer

RE20030UUCC0P5 200*280*30mm Crossed Roller Bearing For Hollow Shaft Harmonic Drive CNC Machine Reducer

Reference FOB Price:
US1 ~ 100 / Piece
Min. Order:
1 Piece
Stock:
1000 Piece
Production Capacity:
1000PCS/DAY
Port:
Shanghai
Payment term:
T/T
Delivery time:
7 days
Technical Parameters:
Product Designations:
RE20030UUCC0P5
Old Designations:
RE20030UUCC0P5
HS Code:
84825000.90
Structure:
Deep groove
Number of Rows:
Single row
Inside Diameter:
200 mm
Outside Diameter:
280 mm
Thickness:
30 mm
Weight:
0.02 KG
Dynamic load Capacity, Radial (Cr):
7.1
Static load Capacity, Radial (Cor):
5.83
Reference speed (Grease rpm):
3000
Limiting speed (Oil rpm):
4500
Demensions:
200*280*30mm
Brand:
MONTON
Radial Clearance Trade No.:
C0
Precision Rating:
P4
Vibration:
Z1V1
Load Direction:
Radial
Bearing Material:
Gcr15
Cage Type:
Nylon
Cage material:
Gcr15
Seals Type:
seals
Seal Material:
Rubber
Number of Balls:
30
Ball Material:
Gcr15
Number of Roller:
25
Roller Material:
Gcr15
Transport Package:
Carton box
Shipping Ways:
TNT DHL
Country of Origin:
Luoyang
Quality Control:
Self control
Feature:
cylindrical
Application:
harmonic drive
RE20030UUCC0P5 200*280*30mm Crossed Roller Bearing For Hollow Shaft Harmonic Drive CNC Machine Reducer

 RE20030UUCC0P5 200*280*30mm

Crossed roller bearing for Hollow Shaft Harmonic Drive CNC machine reducer

 

Shaft diameter Model No. Major dimensions Shoulder
dimensions
Basic load rating
(radial)
Mass
Inner diameter
d
Outer diameter
D
Width
B B1
Greasing hole Chamfer rmin ds Dh C
kN
C0
kN
kg
a b
200 RE20030 200 280 30 4.5 3 2 221 258 114 200 6.7

 

 

Structure and Features

       With the Cross-Roller Ring, cylindrical rollers are arranged with each roller perpendicular to the adjacent

roller, in a 90° V groove, separated from each other by a spacer retainer. This design allows

just one bearing to receive loads in all directions including radial, axial and moment loads.

Since the Cross-Roller Ring achieves high rigidity despite the minimum possible dimensions of the

inner and outer rings, it is optimal for applications such as joints and swiveling units of industrial

robots, swiveling tables of machining centers, rotary units of manipulators, precision rotary tables,

medical equipment, measuring instruments and IC manufacturing machines.

 

High Rotation Accuracy

       The spacer retainer fitting among cross-arrayed rollers prevents rollers from skewing and the rotational

torque from increasing due to friction between rollers. Unlike conventional types using steel sheet retainers, the Cross-Roller Ring does not cause unilateral contact of roller or seize. Thus, even under a preload, the Cross-Roller Ring provides stable rotation.

       Since the inner and outer rings are designed to be separable, the bearing clearance can be adjusted.

In addition, a preload can be applied. These features enable accurate rotation.

 

Easy Handling

      The inner and outer rings, which are separable, are secured to the Cross-Roller Ring body after being installed with rollers and spacer retainers in order to prevent the rings from separating from each other. Thus, it is easy to handle the rings when installing the Cross-Roller Ring.

 

Skewing Prevention

       The spacer retainer keeps rollers in their proper position, thereby preventing them from skewing(tilted rollers). This eliminates friction between rollers, and therefore secures a stable rotational torque.

 

       Increased Rigidity (Three to Four Times Greater than the Conventional Type) Unlike the thin angular ball bearings installed in double rows, the cross array of rollers allows a single Cross-Roller Ring unit to receive loads in all directions, increasing the rigidity to three to four times greater than the conventional type.

 

Types and Features

Model RU (Integrated Inner/Outer Ring Type) 

Since holes are drilled for mounting, the need for a presser fl ange and a housing is eliminated. Also, owing to the integrated inner/outer ring type stryucture with washer, there is almost no effect from installation on performance, allowing stable rotational accuracy and torque to be obtained. Can be used for both outer and inner ring rotation.

 

Model RB (Separable Outer Ring Type for Inner Ring Rotation)

Cross-Roller Ring basic type, with a separable outer ring, and an inner ring integrated with the main body.It is used in locations where the rotational accuracy of the inner ring is required. It is used, for example, in the swivel portions of index tables of machine tools.

 

Model RE (Two-piece Inner Ring Type for Outer Ring Rotation)

Main dimensions are the same as model RB. This model is used in locations where the rotational accuracy of the outer ring is required.

 

Model RA (Separable Outer Ring Type for Inner Ring Rotation)

A compact type similar to model RB with the thinnest possible inner and outer rings. Optimal for locations requiring a light-weight and compact design such as the swivel portions of robots and manipulators.


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