785DBS202y

785DBS202y · Внешний вид изделия

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785DBS202y · Технический чертёж

Бренд
QIBR
Alternative brand
NSK
Rolling element type
Ball
Measurement system
Metric
Weight
178 kg
Outer diameter
1060 mm
Inner diameter
785 mm
Total width
80 mm
External hole circle diameter
970 mm
Internal hole circle diameter
830 mm
Number of mounting holes of the inner ring
36
Number of mounting holes of the outer ring
36
Hole diameter at outer ring
M20 mm
Hole diameter at inner ring
M20 mm
Distance at bottom outer ring/inner ring
10 mm
Width of inner ring
70 mm
Inner diameter of outer ring
898 mm
Outer diameter of inner ring
902 mm
Gear type
External gear
Module
10 mm
Number of teeth
104
Gear P.C.D
1040 mm
Tooth width
65 mm
Tooth forces
96 kN
Basic static load rating (axial)
2.86 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 slewing bearing is characterized by an outer ring equipped with toothed gears and employs a four-point contact structure, tailored specifically for small and medium-sized cranes. This design ensures efficient load distribution and stability under varying operational conditions, effectively handling both radial and axial forces. The toothed gears on the outer ring enable precise positioning and controlled rotation, crucial for crane applications requiring accurate movement and synchronization. Built with durability in mind, the bearing utilizes high-quality materials and robust construction to withstand rigorous use in industrial environments. Its reliability promotes smooth operation and minimal downtime, contributing to enhanced productivity and prolonged service life in crane operations.

QIBR - 785DBS202y Slewing Bearing Advantages and Applications

785DBS202y Slewing Bearing has strong load-bearing capacity, great flexibility and high manufacturing precision.Inner diameter is 785 mm,Outer diameter is 1060 mm,Total width is 80 mm,Weight is 178 kg. It is suitable for excavators, robots, solar brackets, wind turbines and grabbers, etc. and is the most widely used bearing in working conditions that require heavy loads.

QIBR - 785DBS202y Slewing Bearing Characteristics

785DBS202y Slewing Bearing, low maintenance cost, easy installation. 785DBS202y Slewing Bearing, can bear radial load, axial load and overturning moment at the same time, suitable for mechanical equipment with high load-bearing capacity requirements.

785DBS202y 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 - 785DBS202y 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 - 785DBS202y 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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