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Inner Rings IR300X330X80-XL

Inner Rings IR300X330X80-XL

The IR300X330X80-XL is a needle roller bearing inner ring with a 300mm bore and 330mm outer diameter, crafted from sturdy chrome steel. It’s designed for smooth operation and is pre-lubricated for immediate use.
With a width of 80mm, it fits snugly in assemblies, and the precise tolerances ensure reliable performance. The chamfered edges (Rmin 2.1mm) make installation easier.
This inner ring is interchangeable with INA bearings, offering a practical replacement option. Ideal for heavy-duty applications like industrial gearboxes or construction equipment.
Weighing 9.2kg, it’s built to handle demanding conditions while complying with RoHS standards. A durable choice for machinery requiring high load capacity and precision.

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Product Parameters

  • Part Number IR300X330X80-XL
  • Brand TFL
  • Interchangeable brand INA
  • System of Measurement Metric
  • Roller Bearing Type Needle
  • Series IR
  • Bore Dia 300 mm
  • Bore Dia Tolerance -0.035mm to 0
  • Outer Dia 330 mm
  • Outer Dia Tolerance -0.107mm to -0.069mm
  • Width 80 mm
  • Width Tolerance -0.35mm to 0
  • Material Chrome Steel
  • Lubrication Lubricated
  • RoHS Compliant
  • Weight 9200 g
  • Rmin 2.1 mm
Inner Rings IR300X330X80-XL dimension drawing
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Features

Performance Features of IR300X330X80-XL Bearing
IR300X330X80-XL Bearing is crafted from durable chrome steel, offering excellent resistance to wear and heavy loads.
Its precision needle roller design ensures smooth operation, even in high-speed applications.
The bore diameter of 300 mm and outer diameter of 330 mm provide a robust fit for industrial machinery.
With a width of 80 mm, it balances stability and space efficiency in compact designs.
IR300X330X80-XL Bearing comes pre-lubricated, reducing initial setup time and maintenance requirements.
Its compliance with RoHS standards ensures environmental safety and reliability.

Application

Key Fields for IR300X330X80-XL Bearing
IR300X330X80-XL Bearing is commonly used in heavy industrial equipment, such as large gearboxes and rolling mills, where its needle roller design handles high radial loads efficiently. The chrome steel construction ensures durability in demanding environments.
In automotive applications, IR300X330X80-XL Bearing fits well in transmission systems, providing smooth operation under high stress. Its metric dimensions make it a reliable choice for European and Asian vehicle manufacturers.
For automation systems, IR300X330X80-XL Bearing supports robotic arms and conveyor belts, offering precision and longevity. The lubricated design reduces maintenance needs, making it ideal for continuous operation.
In wind turbines, IR300X330X80-XL Bearing plays a key role in the yaw and pitch systems, where its robust build withstands variable loads. The wide tolerance range ensures compatibility with various turbine designs.

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