+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Heavy Duty Needle Roller Bearings (Machined) RNA4902-XL

Heavy Duty Needle Roller Bearings (Machined) RNA4902-XL

The RNA4902-XL is a heavy-duty needle roller bearing with a 20mm bore and 28mm outer diameter, crafted from sturdy steel for reliable performance. It handles radial loads up to 2700 lbf and can spin at speeds up to 21100 RPM, making it suitable for high-speed applications.
Its open design and press-fit mounting simplify installation, while the steel cage ensures durability under demanding conditions. The bearing operates smoothly in temperatures ranging from -20°C to 110°C.
This model is interchangeable with INA bearings, offering a practical replacement option. Ideal for use in gearboxes, pumps, or industrial machinery where space is limited but high load capacity is needed.
Weighing just 21.7g, it’s lightweight yet robust. Compliant with RoHS standards, it’s a dependable choice for various engineering and maintenance tasks.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number RNA4902-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 20 mm
  • Bore Dia Tolerance 0.02mm to 0.033mm
  • Outer Dia 28 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 13 mm
  • Width Tolerance -0.12mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 2700 lbf
  • Static Radial Load 3060 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 21100 rpm
  • Weight 21.7 g
Heavy Duty Needle Roller Bearings (Machined) RNA4902-XL dimension drawing
Download DWG Download PDF

Features

Performance Features of RNA4902-XL Bearing
RNA4902-XL Bearing is built with a sturdy steel construction, ensuring durability under heavy radial loads.
Its dynamic radial load capacity of 2700 lbf makes it suitable for demanding applications.
The open design of RNA4902-XL Bearing allows for easy lubrication, maintaining smooth operation.
With a maximum speed of 21,100 rpm, it delivers reliable performance in high-speed conditions.
RNA4902-XL Bearing operates efficiently within a temperature range of -20 to 110°C.
Its press-fit shaft mount type ensures secure installation and stable performance.
The needle roller design of RNA4902-XL Bearing provides excellent load distribution.
This reduces wear and extends the bearing’s service life in various applications.
RNA4902-XL Bearing’s compact dimensions and lightweight design make it easy to integrate.
Its steel cage and rollers ensure consistent performance even under heavy loads.

Application

Industrial Uses of RNA4902-XL Bearing
RNA4902-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 and steel construction make it suitable for environments with frequent maintenance needs.
Where Is RNA4902-XL Bearing Used?
In automotive applications, RNA4902-XL Bearing fits well in gearboxes and transmission systems, providing reliable performance under high-speed conditions. Its press-fit mounting ensures a secure connection, reducing the risk of slippage.
Built for Heavy-Duty Use: RNA4902-XL Bearing
For automation systems, RNA4902-XL Bearing supports robotic arms and conveyor belts, where precision and durability are key. The steel rollers and cage offer long-lasting performance even in demanding industrial settings.
Light-Duty vs Heavy-Duty: Best Uses for RNA4902-XL Bearing
In consumer electronics, RNA4902-XL Bearing can be found in printers and small appliances, where its compact size and efficiency are advantageous. However, it truly shines in heavy-duty applications like industrial presses and hydraulic systems.

Q&A

SEND INQUIRY