I.955.25.00.B

I.955.25.00.B · Product image

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I.955.25.00.B · Technical drawing

Brand
QIBR
Alternative brand
ATB
Rolling element type
Ball
Measurement system
Metric
Weight
137 kg
Outer diameter
955 mm
Inner diameter
710 mm
Total width
80 mm
External hole circle diameter
915 mm
Internal hole circle diameter
794 mm
Number of mounting holes of the inner ring
28
Number of mounting holes of the outer ring
28
Hole diameter at outer ring
22 mm
Hole diameter at inner ring
M20 mm
Width of outer ring
54 mm
Width of inner ring
71 mm
Inner diameter of outer ring
856 mm
Outer diameter of inner ring
856 mm
Step diameter outer ring
953 mm
Step diameter inner ring
855 mm
Gear type
Internal gear
Module
10 mm
Number of teeth
73
Gear P.C.D
730 mm
Normal permissible tooth forces
42.1 kN
Max. permissible tooth forces
84.2 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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Description

The four-point contact ball bearing with an internal gear structure is specifically designed for excavators and other mechanical equipment. This configuration ensures optimal load distribution and smooth rotational movement, essential for the reliable performance of heavy-duty machinery in various industrial applications. Its internal gear design facilitates precise positioning and operational stability, contributing to enhanced efficiency and safety during operation. With a robust construction and high load-bearing capacity, this bearing is engineered to withstand the rigorous demands of excavators and other mechanical equipment, ensuring long-lasting performance and operational reliability.

QIBR - I.955.25.00.B Slewing Bearing Advantages and Applications

I.955.25.00.B Slewing Bearing, with low friction coefficient and compact design, Inner diameter is 710 mm，Outer diameter is 955 mm，Weight is 137 kg， suitable for cranes, wind turbines, tower cranes and dismantling machines, etc., and is the most widely used bearing in working conditions requiring low friction.

QIBR - I.955.25.00.B Slewing Bearing Characteristics

I.955.25.00.B Slewing Bearing, small wear, long life, easy installation. I.955.25.00.B Slewing Bearing, can bear radial load, axial load and overturning moment at the same time, suitable for mechanical equipment with high friction requirements.

I.955.25.00.B 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.955.25.00.B 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.955.25.00.B 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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