161.25.1320.890.11.1503

161.25.1320.890.11.1503 · Product image

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161.25.1320.890.11.1503 · Technical drawing

Brand
QIBR
Alternative brand
Rothe erde
Rolling element type
Roller
Measurement system
Metric
Weight
247 kg
Outer diameter
1497.6 mm
Inner diameter
1208 mm
Total width
73 mm
External hole circle diameter
1388 mm
Internal hole circle diameter
1252 mm
Number of holes
42
Bolt hole diameter
22 mm
Bolt size
M20 mm
Number of grease holes
6
Outer diameter of inner ring
1318 mm
Inner diameter of outer ring
1322 mm
Width of outer ring
64 mm
Width of inner ring
64 mm
Distance at bottom outer ring/inner ring
9 mm
Distance at top outer ring/inner ring
9 mm
Tooth width
64 mm
Module
12 mm
Number of teeth
122
Gear P.C.D
1464 mm
Addendum modification
+6.0 mm
Addendum reduction
-1.2 mm
Gear type
External gear
Permissible tangential forces normal
48.2 kN
Permissible tangential forces Max.
96.4 kN
Temperature
-30 ℃ to +80 ℃
Bearing type
Cross roller slewing ring bearing
Ring material
42CrMo or 50Mn
Sealing material
NBR
Seal type
Closed type

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Description

Single-row roller bearing slewing rings with cross-roller bearings are available in configurations without gears, with external gears, or with internal gears. These bearings are designed to handle axial, radial, and moment loads efficiently, making them suitable for various industrial applications. The option for gears facilitates precise control and efficient power transmission, essential for machinery such as cranes, excavators, and turntables used in construction and material handling. This versatility in gear options allows for customization based on specific operational requirements, ensuring optimal performance and reliability in demanding environments.

QIBR - 161.25.1320.890.11.1503 Slewing Bearing Advantages and Applications

161.25.1320.890.11.1503 Slewing Bearing, with good rotation performance and high positioning accuracy, Inner diameter is 1208 mm，Outer diameter is 1497.6 mm，Total width is 73 mm，Weight is 247 kg， suitable for belt spreading machines, graders, tunneling machines and Ferris wheels, etc., and is the most widely used bearing in working conditions with high precision requirements.

QIBR - 161.25.1320.890.11.1503 Slewing Bearing Characteristics

161.25.1320.890.11.1503 Slewing Bearing, small wear, strong durability, long life. 161.25.1320.890.11.1503 Slewing Bearing, can bear the combined effects of radial load, axial load and overturning moment at the same time, suitable for mechanical equipment that needs to work under high load.

161.25.1320.890.11.1503 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 - 161.25.1320.890.11.1503 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 - 161.25.1320.890.11.1503 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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