131.45.2000

131.45.2000 · Product image

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131.45.2000 · Technical drawing

Brand
QIBR
Rolling element type
Roller
Measurement system
Metric
Outer diameter
2221 mm
Inner diameter
1779 mm
Total width
231 mm
External hole circle diameter
2155 mm
Internal hole circle diameter
1845 mm
Number of holes
60
Diameter of through holes
33 mm
Bolt size
M30 mm
Depth
60 mm
Number of grease holes
6
Width of inner ring
219 mm
Distance at top outer ring/inner ring
54 mm
Tooth width
160 mm
Module
16 mm
Number of teeth
141
Tip diameter
2300.8 mm
Gear type
External 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 externally toothed three-row roller slewing bearing is particularly suited for heavy machinery that demands larger diameters. This configuration ensures efficient power transmission and precise rotational control, essential for equipment such as cranes, excavators, and large-scale industrial machinery. The external teeth allow for seamless integration with gear systems, enhancing operational reliability and facilitating smooth movement under heavy loads. This robust design provides high load-carrying capacity and stability, making it ideal for applications where strength, durability, and precise load distribution are critical.

QIBR - 131.45.2000 Slewing Bearing Advantages and Applications

131.45.2000 Slewing Bearing, good transmission performance, strong static load capacity, Inner diameter is 1779 mm,Outer diameter is 2221 mm,Total width is 231 mm, suitable for sand mixers, tower cranes, aerial work vehicles, filling machines, metallurgical cranes and subways, etc., and is the most widely used bearing in working conditions requiring high stability.

QIBR - 131.45.2000 Slewing Bearing Characteristics

131.45.2000 Slewing Bearing, long service life, easy replacement, low maintenance cost. 131.45.2000 Slewing Bearing, can withstand radial load, axial load and overturning moment at the same time, suitable for mechanical equipment that needs to resist impact force.


131.45.2000 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 - 131.45.2000 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 - 131.45.2000 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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