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Inner Rings LR20X25X12.5
Inner Rings LR20X25X12.5

Inner Rings LR20X25X12.5

The LR20X25X12.5 is a needle roller bearing inner ring with a 20mm bore and 25mm outer diameter, crafted from sturdy chrome steel. Its compact width of 12.5mm makes it a space-saving choice for tight assemblies.
Pre-lubricated for smooth operation, this ring handles high radial loads efficiently. The precise bore tolerance ensures a snug fit on shafts, reducing vibration during use.
With a 0.3mm fillet radius and 30° chamfer, installation is straightforward while minimising stress concentrations. It’s interchangeable with INA bearings, offering flexibility in maintenance.
Ideal for gearboxes, transmissions or small machinery where reliable needle roller support is needed. RoHS compliant for environmentally conscious applications.

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Product Parameters

  • Part Number LR20X25X12.5
  • Brand TFL
  • Interchangeable brand INA
  • System of Measurement Metric
  • Roller Bearing Type Needle
  • Series LR
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.011mm to 0.002mm
  • Outer Dia 25 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 12.5 mm
  • Width Tolerance 0 to 0.18mm
  • Material Chrome Steel
  • Lubrication Lubricated
  • RoHS Compliant
  • Weight 16.3 g
  • Rmin 0.3 mm

Features

Performance Features of LR20X25X12.5 Bearing
LR20X25X12.5 Bearing is crafted from chrome steel, offering durability and resistance to wear.
Its precise bore diameter tolerance of -0.011mm to 0.002mm ensures a snug fit for reliable operation.
The needle roller design provides high load capacity in a compact space, ideal for tight installations.
With a chamfer angle of 30°, LR20X25X12.5 Bearing facilitates easier assembly and alignment.
Lubrication is pre-applied, reducing initial friction and extending the bearing’s service life.
Its lightweight design at 16.3 g makes it suitable for applications where weight is a concern.

Application

Common Applications of LR20X25X12.5 Bearing
LR20X25X12.5 Bearing is widely used in compact industrial gearboxes, where its needle roller design saves space while handling high radial loads. The chrome steel construction ensures durability in demanding environments.
In automotive steering systems, LR20X25X12.5 Bearing provides smooth rotation for components like column shafts. Its precise tolerances make it a reliable choice for maintaining alignment under stress.
For small electric motors, LR20X25X12.5 Bearing’s lubricated design reduces friction, extending service life in appliances like power tools. The metric dimensions allow easy integration with European and Asian motor designs.
Where Is LR20X25X12.5 Bearing Used?
You’ll often find LR20X25X12.5 Bearing in conveyor belt rollers, where its narrow profile fits tight spaces. The needle rollers distribute weight evenly, preventing premature wear.
In printing machinery, LR20X25X12.5 Bearing supports rotating shafts with minimal vibration. Its chrome steel material withstands the constant motion required for precise paper feeding.
Built for Heavy-Duty Use: LR20X25X12.5 Bearing
LR20X25X12.5 Bearing excels in agricultural equipment like harvesters, where dust and debris are common. The lubricated design helps maintain performance despite harsh field conditions.
For packaging machines, LR20X25X12.5 Bearing handles rapid start-stop cycles smoothly. Its 12.5mm width provides stability without adding unnecessary bulk to compact mechanisms.
Automotive vs Aerospace: Applications of LR20X25X12.5 Bearing
In car transmissions, LR20X25X12.5 Bearing supports gears with its high radial load capacity. The precise tolerances ensure quiet operation at various speeds.
For aircraft control systems, LR20X25X12.5 Bearing’s lightweight design (16.3g) helps reduce overall weight. Its chrome steel construction meets the reliability standards required in aviation.

Q&A

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