I.850.20.00.C

I.850.20.00.C · Product image

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I.850.20.00.C · Technical drawing

Brand
QIBR
Alternative brand
ATB
Rolling element type
Ball
Measurement system
Metric
Weight
51 kg
Outer diameter
783 mm
Inner diameter
649.2 mm
Total width
56 mm
External hole circle diameter
820 mm
Internal hole circle diameter
705 mm
Number of mounting holes of the inner ring
20
Number of mounting holes of the outer ring
12
Hole diameter at outer ring
18 mm
Hole diameter at inner ring
M12 mm
Width of outer ring
46 mm
Width of inner ring
46 mm
Inner diameter of outer ring
745.5 mm
Outer diameter of inner ring
742.5 mm
Flange diameter
848 mm
Gear type
Internal gear
Module
6 mm
Number of teeth
110
Gear P.C.D
660 mm
Normal permissible tooth forces
13.7 kN
Max. permissible tooth forces
27.4 kN
Temperature
-20 ℃ to +100 ℃
Bearing type
Four-point contact slewing bearing with flange
Ring material
C45N
Sealing material
NBR
Seal type
Closed type
Ball material
AISI 52100
Cage material
Nylon

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Description

The four-point contact ball slewing bearing with an internal gear type and an outer ring flange offers distinct economic advantages. By integrating the gear into the internal structure of the bearing, manufacturing costs are reduced, and assembly becomes more streamlined. The outer ring flange enhances stability and alignment within machinery, reducing the need for additional components and simplifying installation processes. This design not only improves operational efficiency but also lowers maintenance requirements, making it a cost-effective choice for applications such as cranes, excavators, and other heavy machinery where reliability and cost efficiency are paramount.

QIBR - I.850.20.00.C Slewing Bearing Advantages and Applications

I.850.20.00.C Slewing Bearing, with high rotation accuracy and strong wear resistance, Inner diameter is 649.2 mm，Outer diameter is 783 mm，Weight is 51 kg， suitable for robot rotary joints, wind turbines, wind turbines and submersible engineering drilling rigs, etc., and is the most widely used bearing in working conditions requiring high precision.

QIBR - I.850.20.00.C Slewing Bearing Characteristics

I.850.20.00.C Slewing Bearing, high safety factor, easy installation. I.850.20.00.C Slewing Bearing, can bear radial load, axial load and overturning moment at the same time, suitable for mechanical equipment with high precision requirements.

I.850.20.00.C 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 - I.850.20.00.C 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 - I.850.20.00.C 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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