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Drawn Cup Needle Roller Bearings HK3220
Drawn Cup Needle Roller Bearings HK3220

Drawn Cup Needle Roller Bearings HK3220

The HK3220 is a drawn cup needle roller bearing with a 32mm bore and 39mm outer diameter, crafted from sturdy steel for reliable performance. It handles radial loads up to 5171 lbf and spins smoothly at speeds up to 8100 RPM.
Its open-end design and press-fit mounting make it easy to install in tight spaces, while the steel cage ensures durability. The bearing requires lubrication for optimal operation.
This model is interchangeable with INA bearings, offering a practical replacement option. It works well in temperatures from -20°C to 110°C, making it suitable for automotive or industrial applications.
Compact at just 20mm wide, it’s a space-saving solution for radial load scenarios. Compliant with RoHS standards for safe use.

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Product Parameters

  • Part Number HK3220
  • Brand TFL
  • Interchangeable INA
  • Bore Dia 32 mm
  • Bore Dia Tolerance +25°Cm-+50°Cm
  • Outer Dia 39 mm
  • Outer Dia Tolerance Not Rated
  • Width 20 mm
  • Width Tolerance -0.3mm to 0mm
  • System of Measurement Metric
  • Bearing Type Roller
  • Roller Bearing Type Needle
  • For Load Direction Radial
  • Construction Single Row
  • Seal Type Open
  • Series Open End
  • Ring Material Steel
  • Ball Material Steel
  • Cage Material Steel
  • Dynamic Radial Load 5171 lbf
  • Static Radial Load 9554 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 8100 rpm
  • Weight 40.6 g

Features

How Does HK3220 Bearing Handle Radial Loads?
HK3220 Bearing is built with steel rings and needles, offering strong resistance to radial loads.
Its dynamic radial load capacity reaches 5171 lbf, making it suitable for high-demand applications.
The open-end design allows for easy press-fit installation, saving time and effort.
With a maximum speed of 8100 rpm, it ensures reliable performance in various conditions.
HK3220 Bearing operates efficiently within a temperature range of -20 to 110 °C.
Regular lubrication helps maintain its smooth operation and extends service life.

Application

Common Applications of HK3220 Bearing
HK3220 Bearing is widely used in industrial machinery, especially in compact spaces where high radial load capacity is needed, like conveyor systems and gearboxes. Its press-fit design ensures a secure mounting, reducing the risk of slippage during operation.
In automotive applications, HK3220 Bearing is commonly found in transmission systems and steering mechanisms, where its steel construction handles heavy loads efficiently. The open-end series allows for easy lubrication, extending the bearing’s service life.
For automation equipment, HK3220 Bearing supports smooth movement in robotic arms and linear guides, thanks to its needle roller design. The metric dimensions make it a versatile choice for various European and Asian machinery standards.
In consumer electronics, HK3220 Bearing can be used in printers and small appliances, where its compact size and durability are advantageous. The steel cage provides added strength, ensuring reliable performance over time.

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