E.850.20.00.C

E.850.20.00.C · Product image

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E.850.20.00.C · Technical drawing

Brand
QIBR
Alternative brand
ATB
Rolling element type
Ball
Measurement system
Metric
Weight
53 kg
Outer diameter
838.8 mm
Inner diameter
705 mm
Total width
56 mm
External hole circle diameter
785 mm
Internal hole circle diameter
662 mm
Number of mounting holes of the inner ring
16
Number of mounting holes of the outer ring
18
Hole diameter at outer ring
M12 mm
Hole diameter at inner ring
18 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
634 mm
Gear type
External gear
Module
6 mm
Number of teeth
138
Gear P.C.D
828 mm
Normal permissible tooth forces
13.1 kN
Max. permissible tooth forces
26.2 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 external gear structure and an inner ring flange offers enhanced economic benefits. This design optimizes the bearing's efficiency by integrating the gear directly onto the outer ring, simplifying assembly and reducing overall costs. The inner ring flange further enhances stability and facilitates precise positioning within machinery, ensuring reliable performance under varying loads and operational conditions. This economical configuration makes the bearing particularly suitable for applications in filling equipment and other industrial machinery where cost-effectiveness and operational reliability are paramount.

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

E.850.20.00.C Slewing Bearing, with strong anti-overturning ability and good corrosion resistance,Inner diameter is 705 mm，Outer diameter is 838.8 mm，Weight is 53 kg, suitable for ore crushing equipment, concrete pump trucks, rotary excavators, forklifts, cranes, etc., and is the most widely used bearing in working conditions that need to withstand moments in different directions.

QIBR - E.850.20.00.C Slewing Bearing Characteristics

E.850.20.00.C Slewing Bearing, low cost, reliable performance, easy maintenance. E.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 reliability requirements.

E.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 - E.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 - E.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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