XR820060-903A2 Precision Crossed Roller Bearings

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XR820060-903A2

Bore Diameter:580 mm

Outside Diameter:760 mm

Width:80 mm

Weight:102 kg

Min. Order:1 Piece

The XR820060-903A2 Crossed roller bearings are suitable for high-precision, high-rigidity, and space-constrained rotary applications. Classic applications include industrial robot joints and positioners, CNC machine tool rotary tables and indexing heads, medical CT scanner rotating frames, radar antenna rotation mechanisms, precision measuring instruments, and aerospace simulation rotary tables.

The XR820060-903A2 bearing is a Precision Crossed roller bearings with an inner diameter of 580 mm , an outer diameter of 760 mm, a width of 80 mm. bearing steel rings, bearing steel rolling mlement. Its dynamic radial rated load is approximately 238680 N, Its dynamic axial rated load is approximately 297820 N, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

580 mm

Outside Diameter:

760 mm

Thickness:

80 mm

Weight:

102 KG

Performance Data:

Dynamic load Capacity, Radial (Cr):

238680 N

Dynamic load Capacity, axial:

297820 N

Specifications:

Structure:

Crossed Roller Bearings

Number of Rows:

One

Bearing Material:

bearing steel

Rolling Mlement Material:

bearing steel

Bore Type:

Cylindrical bore

Operating Temperature:

-30 to 110 °C

System of Measurement:

XR = Inch

Series:

Transaction Information:

Transport Package:

Standard Export Package

Service:

7*24 hour

Shipping Ways:

by Sea or Air

Country of Origin:

china

Stock:

200 Piece

Port:

Tianjin, Shanghai, Shenzhen, Guangzhou or Qingdao

Payment term:

by T/T in advance

Delivery time:

2-3 days for stock, 25-30 days for bulk production

Detailed description

XR820060-903A2 bearings ( 580 mm x 760 mm x 80 mm) have the advantages of The rollers are arranged in a cross pattern, allowing them to withstand radial, axial, and overturning moments simultaneously. They offer high rigidity and rotational accuracy while compact and space-saving design, and easy installation, and are therefore widely used in the Industrial robots, CNC machine tools, medical equipment, precision measuring instruments and aerospace.

Part Number	XR820060-903A2
Design type	TXR
Bearing Type	Precision Crossed roller bearings
Interchangeable	TIMKEN XR820060-903A2
Manufacturer Part Code	XR820060-903A2
Series	XR
Units	XR = Inch
C_a Axial Dynamic [lbf]	66949
C_r Dynamic Radial [lbf]	53655
d φ Inside [inch]	22.8346
D Φ Outside [inch]	29.9212
T Width [inch]	3.1496
R (Max) Shaft Fillet Radius [inch]	0.2520
Weight [lb]	224.8692
Preload	0.075 to 0.100 mm
K Factor	0.46

The XR820060-903A2 Crossed roller bearings consist of inner and outer rings, cylindrical rollers, spacers, and seals. The rollers are arranged at 90° intervals within a V-shaped raceway, allowing for multi-directional load bearing even in a single row.

Crossed roller bearings can simultaneously withstand radial loads, bidirectional axial loads, and overturning moments. They possess extremely high rigidity and rotational accuracy, and their compact structure saves installation space, simplifying machine tool design.

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XR820060-903A2 Precision Crossed Roller Bearings

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