SKF NK 45/20 TN 45mm I.D Needle Needle Roller Bearing, 55mm O.D

This needle roller bearing belongs to the high-performance category of bearings designed for applications requiring high load capacities in compact spaces. With an inside diameter of 45mm and a race width of 20mm, this model accommodates substantial loads while minimising radial space. The outer diameter measures 55mm, making it an ideal choice for a variety of mechanical uses, especially in the industrial sector.

• Fabricated from robust steel for enhanced durability
• Effective single-row design reduces friction and wear
• Capable of handling static loads up to 57 kN
• Supports dynamic loads of up to 32 kN efficiently
• Operates reliably at reference speeds of 9000 rev/min
• Limiting speed reaches up to 10,000 rev/min for flexibility

• Utilised in electric motors for improved performance
• Suitable for conveyor systems requiring high efficiency
• Effective in automotive for drive components
• Ideal for industrial machinery in manufacturing processes
• Used in assembly lines for precision engineering tasks

The needle roller cage facilitates a higher load capacity while providing better lubrication and the ability to accommodate misalignment, ultimately enhancing service life and reliability without increasing size.

The design utilises small, elongated rollers that engage with the inner and outer races, distributing loads evenly and allowing for smooth rotational movement, which effectively decreases frictional forces.

Consider ambient conditions and the specific heat resistance of surrounding components, as the bearing's material is crucial for maintaining performance under varying temperature scenarios to avoid premature wear.

The dynamic load rating indicates the maximum load the bearing can sustain during continuous operation, ensuring that machinery can function without risk of failure under expected load conditions.

Proper alignment and fit between the bearing and housing or shaft are critical to prevent misalignment, which can lead to increased wear or failure, emphasising the need for accurate tolerances during installation.