882DBS103y

882DBS103y · Внешний вид изделия

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882DBS103y · Технический чертёж

Бренд
QIBR
Alternative brand
NSK
Rolling element type
Ball
Measurement system
Metric
Weight
130 kg
Outer diameter
1106 mm
Inner diameter
882 mm
Total width
70 mm
External hole circle diameter
1072 mm
Internal hole circle diameter
960 mm
Number of mounting holes of the inner ring
30
Number of mounting holes of the outer ring
29
Hole diameter at outer ring
18 mm
Hole diameter at inner ring
M16 mm
Distance at top outer ring/inner ring
8 mm
Width of outer ring
55 mm
Inner diameter of outer ring
1019 mm
Outer diameter of inner ring
1015 mm
Gear type
Internal gear
Module
10 mm
Number of teeth
90
Gear P.C.D
900 mm
Tooth width
61.5 mm
Tooth forces
121 kN
Basic static load rating (axial)
2.26 kN
Temperature
-20 ℃ to +100 ℃
Bearing type
Four point contact ball slewing ring bearing
Ring material
42CrMo or 50Mn
Sealing material
NBR
Seal type
Closed type
Ball material
AISI 52100
Cage material
Nylon

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Описание

The inner ring with toothed steps and a four-point contact structure is specifically designed for use in small and medium-sized cranes. This configuration ensures efficient load distribution and precise positioning, crucial for the reliable operation of crane machinery. The toothed steps on the inner ring facilitate smooth engagement and torque transmission, allowing for controlled movement and stability during crane operations.The four-point contact structure enhances the bearing's ability to withstand axial and radial loads simultaneously, optimizing performance in dynamic and heavy-duty applications. This design is tailored to meet the operational demands of crane systems, providing robustness and durability under varying load conditions.

QIBR - 882DBS103y Slewing Bearing Advantages and Applications

882DBS103y Slewing Bearing has high precision and strong vibration resistance. Inner diameter is 882 mm，Outer diameter is 1106 mm，Total width is 70 mm，Weight is 130 kg. It is suitable for bogies, subways, ore crushing equipment, concrete pump trucks, and rotary excavators, etc. and is the most widely used bearing in working conditions that require greater impact.

QIBR - 882DBS103y Slewing Bearing Characteristics

882DBS103y Slewing Bearing, adapts to harsh environments and has a long service life. 882DBS103y Slewing Bearing, can simultaneously withstand radial loads, axial loads and overturning moments, and is suitable for mechanical equipment that requires high stability.

882DBS103y 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 - 882DBS103y 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 - 882DBS103y 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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