113.50.4500

113.50.4500 · Product image

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113.50.4500 · Technical drawing

Brand
QIBR
Rolling element type
Roller
Measurement system
Metric
Outer diameter
4726 mm
Inner diameter
4272 mm
Total width
134 mm
External hole circle diameter
4636 mm
Internal hole circle diameter
4364 mm
Number of holes
60
Diameter of through holes
45 mm
Bolt size
M42 mm
Depth
84 mm
Number of grease holes
10
Outer diameter of inner ring
4497 mm
Inner diameter of outer ring
4503 mm
Width of outer ring
122 mm
Distance at top outer ring/inner ring
12 mm
Tooth width
110 mm
Module
22 mm
Number of teeth
190
Tip diameter
4166.8 mm
Gear type
Internal gear
Temperature
-30 ℃ to +80 ℃
Seal type
Closed type
Bearing type
Cross roller slewing ring bearing
Ring material
42CrMo or 50Mn
Sealing material
NBR

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Description

Internally toothed single-row crossed roller slewing bearings find extensive application in lifting, transportation, and various engineering machinery products. These bearings are favored for their ability to handle high axial and radial loads while providing precise rotational control, essential in equipment such as cranes, truck cranes, and other heavy-duty machinery used in construction and industrial settings. Their internal tooth configuration allows for seamless integration with gear systems, facilitating efficient power transmission and enhancing operational reliability. This design ensures robust performance and durability, making them indispensable components in applications where safety, efficiency, and durability are paramount concerns.

QIBR - 113.50.4500 Slewing Bearing Advantages and Applications

113.50.4500 Slewing Bearing has strong load-bearing capacity, great flexibility and high stability. Inner diameter is 4272 mm,Outer diameter is 4726 mm,Total width is 134 mm. It is suitable for tower cranes, dismantling machines, beverage dispensing machines and aerial work vehicles, etc., and is the most widely used bearing in working conditions requiring high stability.

QIBR - 113.50.4500 Slewing Bearing Characteristics

113.50.4500 Slewing Bearing, large operating range, long service life, small assembly clearance. 113.50.4500 Slewing Bearing, can simultaneously withstand certain axial force, radial force and overturning moment, suitable for mechanical equipment that needs to transmit power or provide rotation support.

113.50.4500 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 - 113.50.4500 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 - 113.50.4500 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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