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Heavy Duty Needle Roller Bearings (Machined) RNA4920-XL

Heavy Duty Needle Roller Bearings (Machined) RNA4920-XL

The RNA4920-XL is a heavy-duty needle roller bearing with a 115mm bore and 140mm outer diameter, crafted from sturdy steel for radial loads. It supports dynamic loads up to 32400 lbf and operates smoothly at speeds up to 4000 RPM.
Its open design and press-fit mounting make it easy to install, while the steel cage ensures durability. The bearing requires lubrication for optimal performance and works in temperatures from -20°C to 110°C.
This model is interchangeable with INA bearings, offering a reliable replacement option. Ideal for heavy machinery or industrial equipment where high radial loads are common.
Weighing 1150g, it’s robust yet manageable for its size. Compliant with RoHS standards for safe use.

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Product Parameters

  • Part Number RNA4920-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 115 mm
  • Bore Dia Tolerance 0.036mm to 0.058mm
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.018mm to 0
  • Width 40 mm
  • Width Tolerance -0.2mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 32400 lbf
  • Static Radial Load 60750 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 4000 rpm
  • Weight 1150 g
Heavy Duty Needle Roller Bearings (Machined) RNA4920-XL dimension drawing
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Features

Performance Features of RNA4920-XL Bearing
RNA4920-XL Bearing is built for heavy-duty radial loads, with a dynamic radial load capacity of 32,400 lbf.
Its steel construction ensures durability, while the open design allows for easy lubrication access.
The press-fit shaft mount simplifies installation, saving time and effort in assembly.
With a maximum speed of 4,000 rpm, it delivers reliable performance in demanding applications.
RNA4920-XL Bearing operates efficiently in temperatures ranging from -20 to 110°C.
Its robust design reduces maintenance needs, making it a cost-effective choice for industrial use.

Application

Industrial Uses of RNA4920-XL Bearing
RNA4920-XL Bearing is commonly used in heavy machinery like construction equipment and agricultural tools, where its high radial load capacity is essential. The open design allows for easy lubrication, ensuring long service life in demanding conditions.
Where Is RNA4920-XL Bearing Used?
You’ll often find RNA4920-XL Bearing in automotive transmissions and industrial gearboxes, where its press-fit design ensures a secure hold. Its steel construction makes it durable enough to handle high-speed rotations without wear.
Built for Heavy-Duty Use: RNA4920-XL Bearing
RNA4920-XL Bearing excels in applications like conveyor systems and hydraulic pumps, where reliability under heavy loads is key. The lack of an inner ring simplifies installation, making it a practical choice for many engineers.
Automotive vs Industrial: Applications of RNA4920-XL Bearing
In automotive settings, RNA4920-XL Bearing supports components like differential systems, while in industrial uses, it’s ideal for printing presses. Its metric sizing ensures compatibility with a wide range of machinery.
Perfect Fit for Automation: RNA4920-XL Bearing
RNA4920-XL Bearing works well in robotic arms and automated assembly lines, thanks to its high-speed capability. The steel rollers provide smooth operation, reducing friction in repetitive tasks.

Q&A

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