470DBS108y

470DBS108y · Внешний вид изделия

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470DBS108y · Технический чертёж

Бренд
QIBR
Alternative brand
NSK
Rolling element type
Ball
Measurement system
Metric
Weight
40 kg
Outer diameter
640 mm
Inner diameter
470 mm
Total width
50 mm
External hole circle diameter
615 mm
Internal hole circle diameter
520 mm
Number of mounting holes of the inner ring
24
Number of mounting holes of the outer ring
16
Hole diameter at outer ring
13 mm
Hole diameter at inner ring
M12 mm
Distance at top outer ring/inner ring
5 mm
Width of outer ring
40 mm
Inner diameter of outer ring
557 mm
Outer diameter of inner ring
563 mm
Gear type
Internal gear
Module
5 mm
Number of teeth
96
Gear P.C.D
480 mm
Tooth width
45 mm
Tooth forces
15.5 kN
Basic static load rating (axial)
1.15 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 - 470DBS108y Slewing Bearing Advantages and Applications

470DBS108y Slewing Bearing has high precision and strong vibration resistance. Inner diameter is 470 mm，Outer diameter is 640 mm，Total width is 50 mm，Weight is 40 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 - 470DBS108y Slewing Bearing Characteristics

470DBS108y Slewing Bearing, adapts to harsh environments and has a long service life. 470DBS108y Slewing Bearing, can simultaneously withstand radial loads, axial loads and overturning moments, and is suitable for mechanical equipment that requires high stability.

470DBS108y 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 - 470DBS108y 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 - 470DBS108y 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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