SD.500.25.15.D.1-R Bore 306 Mm, Cross Roller Slewing Rings, Without Gear

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SD.500.25.15.D.1-R

Bore Diameter:306 mm

Outside Diameter:500 mm

Width:75 mm

Weight:52 kg

Min. Order:1 Piece

The SD.500.25.15.D.1-R Crossed roller slewing bearings are widely used in requiring high levels of rotational accuracy, rigidity, and load-bearing capacity, where installation space is often limited，such as industrial robots (joints, rotary seats), CNC machine tools (rotary tables, turrets), medical equipment (CT scanners, surgical robots), precision measuring instruments, radar turntables, and aerospace applications.

The SD.500.25.15.D.1-R bearing is a Cross Roller Slewing rings with an inner diameter of 306 mm , an outer diameter of 500 mm, a width of 75 mm. 50Mn or 42CrMo rings, GCr15 rolling mlement. Double sealed type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

306 mm

Outside Diameter:

500 mm

Thickness:

75 mm

Weight:

52 KG

Specifications:

Structure:

Crossed roller slewing bearings (No gear type)

Number of Rows:

One

Bearing Material:

50Mn or 42CrMo

Seals Type:

Double sealed

Rolling Mlement Material:

GCr15

Operating Temperature:

-20 to 70 °C

System of Measurement:

Metric

Series:

SD.25-30.D-R

Rolling Element:

Cylindrical Rollers

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

SD.500.25.15.D.1-R bearings ( 306 mm x 500 mm x 75 mm) have the advantages of The rollers are arranged in a cross pattern, resulting in minimal deformation, low rotational runout, and precise positioning, and are therefore widely used in the Industrial robots, machine tool rotary tables, medical devices, radar antennas and precision rotating equipment.

Part Number	SD.500.25.15.D.1-R
Gear type	Without Gear
Bearing Type	Cross Roller Slewing rings
Weight [kg]	52
Seal	Double sealed
Seal Material	NBR (Nitrile Butadiene Rubber)
Interchangeable	TGB SD.500.25.15.D.1-R
Dimensions
Da [mm]	500
U [mm]	495
C [mm]	403
Di [mm]	306
Ha [mm]	63
Hb [mm]	63
H [mm]	75
Fixing holes
La [mm]	466
na NO.	30
da [mm]	18
Li [mm]	336
ni NO.	30-1
di [mm]	18

The SD.500.25.15.D.1-R Crossed roller slewing bearings mainly consist of an inner ring, an outer ring, cross-arranged cylindrical rollers, spacers, and a sealing device. The rollers are arranged at 90° intervals within the raceway, enabling a single-row structure to withstand multi-directional loads.

The cross-arrangement of the rollers in crossed roller slewing bearings allows them to simultaneously withstand radial loads, axial loads, and overturning moments. They exhibit extremely high rigidity and a precision grade of P5 or higher. Their compact structure and easy installation significantly save installation space.

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SD.500.25.15.D.1-R Bore 306 Mm, Cross Roller Slewing Rings, Without Gear

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