134.50.4500

134.50.4500 · Product image

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134.50.4500 · Technical drawing

Brand
QIBR
Rolling element type
Roller
Measurement system
Metric
Outer diameter
4782 mm
Inner diameter
4218 mm
Total width
270 mm
External hole circle diameter
4692 mm
Internal hole circle diameter
4308 mm
Number of holes
80
Diameter of through holes
45 mm
Bolt size
M42 mm
Depth
84 mm
Number of grease holes
8
Width of inner ring
258 mm
Distance at top outer ring/inner ring
65 mm
Tooth width
180 mm
Module
25 mm
Number of teeth
165
Tip diameter
4110 mm
Gear type
Internal gear
Temperature
-20 ℃ to +100 ℃
Seal type
Closed type
Ring material
42CrMo or 50Mn
Sealing material
NBR
Ball material
AISI 52100
Cage material
Nylon

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Description

The internally toothed three-row roller slewing bearing is highly suitable for a variety of heavy-duty machinery applications, including bucket wheel excavators, wheeled cranes, marine cranes, port cranes, molten steel running tables, and large-tonnage truck cranes. This bearing type is engineered to handle substantial axial and radial loads while providing precise rotational control, making it indispensable in industries requiring robust performance and reliability under challenging operational conditions. Its internal gearing configuration enhances operational efficiency and ensures smooth power transmission, contributing to optimal performance and durability in demanding industrial settings.

QIBR - 134.50.4500 Slewing Bearing Advantages and Applications

134.50.4500 Slewing Bearing, high manufacturing precision, good rotation performance, Inner diameter is 4218 mm,Outer diameter is 4782 mm,Total width is 270 mm, suitable for military equipment, dredgers, palletizing robots and bottle blowing machines, etc., is the most widely used bearing in high-precision working conditions.

QIBR - 134.50.4500 Slewing Bearing Characteristics

134.50.4500 Slewing Bearing, low cost and easy maintenance. 134.50.4500 Slewing Bearing, can bear radial load, axial load and overturning moment at the same time, suitable for mechanical equipment working in harsh environment.

134.50.4500 Slewing Bearing Features and Advantages

Compact design: Compact structure, it can be installed in space-constrained environments, and has a wider range of applications.

High load capacity: It can withstand axial, radial and overturning moments at the same time, suitable for heavy-duty applications.

Superior precision: Maintain high precision during use and reduce errors in equipment operation.

High temperature and wear resistance: Made of high-temperature bearing steel, with good wear resistance and strength.

Application: Widely used in lifting machinery, engineering machinery, transportation machinery, mining machinery, metallurgical machinery, medical equipment, ships, warships, radar, wind power generation and other fields.

QIBR - 134.50.4500 Slewing Bearing Optimization

Grease replacement: Replace grease with other greases such as SFK, Mobil, Krupp, etc. to optimize the working performance and use conditions of the bearing.

Coating optimization: Provide other coatings such as zinc plating or nickel plating to enhance corrosion resistance and wear resistance and extend its service life in harsh environments.

Process optimization: Optimize the bearing production process, increase the bearing operating temperature range, and improve the bearing accuracy and stability.

More customization: QIBR can optimize the bearing structure design according to customers’ drawings or equipment requirements to meet equipment needs.

QIBR - 134.50.4500 Slewing support bearing quality control

Dimension measurement: Use a variety of professional high-precision instruments to measure multiple dimensions of the bearing, with the highest accuracy up to 0.01mm.

Rotation accuracy: Use a dial indicator to measure small flaws or deviations on the bearing surface, with a measurement accuracy of up to 0.01mm.

Hardness measurement: Use a Leeb hardness tester to measure the bearing surface hardness, with a measurement accuracy of ±6HLD.

Metallographic analysis: Use a professional metallographic microscope to analyze the internal metallographic structure of the metal.

Geometric tolerance: Use a roundness meter to measure the bearing geometry and relative position.

Noise monitoring: Use a vibration meter to monitor the vibration during operation and obtain noise data.

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