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Heavy Duty Needle Roller Bearings (Machined) RNAO55X68X20-XL

Heavy Duty Needle Roller Bearings (Machined) RNAO55X68X20-XL

The RNAO55X68X20-XL is a heavy-duty needle roller bearing with a 55mm bore and 68mm outer diameter, crafted from sturdy steel for reliable performance. It handles radial loads up to 7200 lbf and spins smoothly at speeds up to 8500 RPM.
Its open design and press-fit mounting make it easy to install, while the steel cage ensures durability under heavy use. The bearing operates efficiently in temperatures ranging from -20°C to 110°C.
This model is interchangeable with INA bearings, offering a practical replacement option. It’s well-suited for applications like gearboxes or industrial machinery where high radial loads are common.
Weighing just 166g, it’s lightweight yet robust. Compliant with RoHS standards, it’s a safe and dependable choice for various industrial needs.

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Product Parameters

  • Part Number RNAO55X68X20-XL
  • Brand TFL
  • Interchangeable brand INA
  • System of Measurement Metric
  • Bearing Type Roller
  • Roller Bearing Type Needle
  • For Load Direction Radial
  • Construction Single Row
  • Seal Type Open
  • Inner Ring No
  • Series Without Inner Ring
  • Bore Dia 55 mm
  • Bore Dia Tolerance 0.03mm to 0.049mm
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 20 mm
  • Width Tolerance -0.15mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 7200 lbf
  • Static Radial Load 14850 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 8500 rpm
  • Weight 166 g
Heavy Duty Needle Roller Bearings (Machined) RNAO55X68X20-XL dimension drawing
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Features

Performance Features of RNAO55X68X20-XL Bearing
RNAO55X68X20-XL Bearing is built with a robust steel construction, ideal for handling heavy radial loads.
Its dynamic radial load capacity of 7200 lbf ensures reliable performance in demanding industrial applications.
The open design allows for easy lubrication, maintaining smooth operation even at high speeds up to 8500 rpm.
With a temperature range of -20 to 110°C, it performs well in various working conditions.

Application

Industrial Uses of RNAO55X68X20-XL Bearing
RNAO55X68X20-XL Bearing is commonly used in heavy machinery, such as construction equipment and agricultural tools, where its high radial load capacity is essential. The open design allows for easy lubrication, ensuring long service life even in demanding conditions.
In automotive applications, RNAO55X68X20-XL Bearing fits well in gearboxes and transmission systems, providing reliable performance under high speeds. Its press-fit mounting simplifies installation, making it a favourite among mechanics.
For automation systems, RNAO55X68X20-XL Bearing supports robotic arms and conveyor belts, where precision and durability are key. The steel construction ensures it can handle continuous operation without compromising performance.
What Makes RNAO55X68X20-XL Bearing a Preferred Choice?
RNAO55X68X20-XL Bearing stands out in industrial fans and pumps due to its ability to handle both high speeds and heavy loads. The steel roller material adds to its resilience, making it suitable for harsh environments.
In printing machinery, RNAO55X68X20-XL Bearing ensures smooth paper feed and consistent operation. Its compact design saves space while maintaining robust performance, ideal for high-speed printing presses.

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