114.40.2800

114.40.2800 · Внешний вид изделия

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114.40.2800 · Технический чертёж

Бренд
QIBR
Rolling element type
Roller
Measurement system
Metric
Outer diameter
2978 mm
Inner diameter
2625 mm
Total width
112 mm
External hole circle diameter
2910 mm
Internal hole circle diameter
2691 mm
Number of holes
56
Diameter of through holes
33 mm
Bolt size
M30 mm
Depth
60 mm
Number of grease holes
8
Outer diameter of inner ring
2797 mm
Inner diameter of outer ring
2803 mm
Width of outer ring
100 mm
Distance at top outer ring/inner ring
12 mm
Tooth width
90 mm
Module
20 mm
Number of teeth
127
Tip diameter
2528 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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Описание

Internally toothed single-row crossed roller slewing bearings are extensively utilized in lifting, transportation, and various engineering machinery applications. These bearings excel in handling heavy axial and radial loads while providing precise rotational control, crucial for equipment like cranes, truck cranes, and other heavy-duty machinery used in construction and industrial sectors. Their internal tooth design enables seamless integration with gear systems, ensuring efficient power transmission and enhancing operational reliability. This makes them essential components where reliability, precision, and durability are critical requirements.

QIBR - 114.40.2800 Slewing Bearing Advantages and Applications

114.40.2800 Slewing Bearing has high manufacturing precision and low friction coefficient. Inner diameter is 2625 mm,Outer diameter is 2978 mm,Total width is 112 mm. It is suitable for rotary drilling rigs, dredgers, military equipment, sand mixers, and filling machines, etc. It is the most widely used bearing in working conditions with high precision requirements.

QIBR - 114.40.2800 Slewing Bearing Characteristics

114.40.2800 Slewing Bearing, high cost performance, simple design, small assembly clearance, easy maintenance. 114.40.2800 Slewing Bearing, can simultaneously withstand certain axial force, radial force and overturning moment, suitable for mechanical equipment that needs to work under high temperature and high pressure.

114.40.2800 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 - 114.40.2800 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 - 114.40.2800 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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