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Heavy Duty Needle Roller Bearings (Machined) RNA4904-RSR-XL
Heavy Duty Needle Roller Bearings (Machined) RNA4904-RSR-XL

Heavy Duty Needle Roller Bearings (Machined) RNA4904-RSR-XL

The RNA4904-RSR-XL is a heavy-duty needle roller bearing with a 25mm bore and 37mm outer diameter, crafted from sturdy steel for radial loads. It supports dynamic loads up to 4388 lbf and spins smoothly at speeds up to 10100 RPM.
Its single-seal design keeps contaminants out while maintaining easy lubrication access. The press-fit mounting ensures a secure fit on shafts, ideal for high-load applications.
This bearing works well in temperatures from -20°C to 110°C and weighs just 56g, making it lightweight yet durable. It’s interchangeable with INA bearings for convenient replacements.
Perfect for machinery like gearboxes or pumps where radial loads and compact design are key. Compliant with RoHS standards for safe use.

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Product Parameters

  • Part Number RNA4904-RSR-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 Single Seal
  • Inner Ring No
  • Series Without Inner Ring
  • Bore Dia 25 mm
  • Bore Dia Tolerance 0.02mm to 0.033mm
  • Outer Dia 37 mm
  • Outer Dia Tolerance -0.011mm to 0
  • Width 17 mm
  • Width Tolerance -0.12mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 4388 lbf
  • Static Radial Load 4478 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 10100 rpm
  • Weight 56 g

Features

How Does RNA4904-RSR-XL Bearing Handle Heavy Loads?
RNA4904-RSR-XL Bearing is built with steel rings and rollers, offering strong resistance to heavy radial loads.
Its dynamic radial load capacity reaches 4388 lbf, ensuring reliable performance in demanding applications.
The steel cage keeps the rollers aligned, reducing wear and extending service life.
With a maximum speed of 10,100 rpm, it balances durability and efficiency.

Application

Industrial Uses of RNA4904-RSR-XL Bearing
RNA4904-RSR-XL Bearing is commonly used in heavy machinery, such as construction equipment and agricultural tools, where its radial load capacity handles demanding conditions. The single seal design helps keep contaminants out while maintaining smooth operation.
In automotive applications, RNA4904-RSR-XL Bearing fits well in gearboxes and transmission systems, providing reliable performance under high-speed rotation. Its press-fit mounting ensures a secure attachment, reducing the risk of slippage.
For automation systems, RNA4904-RSR-XL Bearing supports robotic arms and conveyor belts, where precision and durability are key. The steel construction offers long-lasting wear resistance, even in continuous operation.
Where Is RNA4904-RSR-XL Bearing Used?
RNA4904-RSR-XL Bearing can be found in industrial fans and compressors, where its high-speed capability ensures efficient airflow. The metric dimensions make it compatible with a variety of European and Asian machinery.
In household appliances like washing machines, RNA4904-RSR-XL Bearing helps reduce vibration and noise during spin cycles. Its compact design fits neatly into tight spaces without compromising performance.
Designed for Versatility: RNA4904-RSR-XL Bearing
RNA4904-RSR-XL Bearing works well in printing machinery, where its needle roller design provides smooth paper handling. The steel cage enhances stability, even during rapid starts and stops.
For small electric motors, RNA4904-RSR-XL Bearing offers a balance of strength and lightweight performance. Its temperature range allows it to function reliably in both hot and cold environments.

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