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Heavy Duty Needle Roller Bearings (Machined) RNA6908-ZW-XL
Heavy Duty Needle Roller Bearings (Machined) RNA6908-ZW-XL

Heavy Duty Needle Roller Bearings (Machined) RNA6908-ZW-XL

The RNA6908-ZW-XL is a heavy-duty needle roller bearing with a 48mm bore and 62mm outer diameter, crafted from sturdy steel for long-lasting performance. It handles radial loads up to 16650 lbf and spins smoothly at speeds up to 9200 RPM.
Its double-row design provides extra stability, while the open construction allows for easy lubrication. The bearing is press-fit for secure mounting and works in temperatures from -20°C to 110°C.
This model is interchangeable with INA bearings, making it a practical choice for replacements. Ideal for heavy machinery or automotive applications where high radial loads are common.
Weighing just 256g, it’s lightweight yet robust for its size. Compliant with RoHS standards for safe use.

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Product Parameters

  • Part Number RNA6908-ZW-XL
  • Brand TFL
  • Interchangeable brand INA
  • System of Measurement Metric
  • Bearing Type Roller
  • Roller Bearing Type Needle
  • For Load Direction Radial
  • Construction Double Row
  • Seal Type Open
  • Inner Ring No
  • Series Without Inner Ring
  • Bore Dia 48 mm
  • Bore Dia Tolerance 0.025mm to 0.041mm
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 40 mm
  • Width Tolerance -0.12mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 16650 lbf
  • Static Radial Load 26100 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 9200 rpm
  • Weight 256 g

Features

Performance Features of RNA6908-ZW-XL Bearing
RNA6908-ZW-XL Bearing is built with a double-row needle roller design, offering high radial load capacity.
Its dynamic radial load reaches 16,650 lbf, making it suitable for heavy-duty applications.
The steel construction ensures durability and resistance to wear under demanding conditions.
With a maximum speed of 9,200 rpm, it balances performance and reliability.
How Is RNA6908-ZW-XL Bearing Engineered for Reliability?
RNA6908-ZW-XL Bearing features a press-fit shaft mount, ensuring secure installation and stable operation.
The steel cage and rollers enhance load distribution, reducing stress on individual components.
Its open design allows for easy lubrication, maintaining smooth performance over time.
The bearing operates efficiently within a temperature range of -20 to 110 °C.
Built for Durability: RNA6908-ZW-XL Bearing
RNA6908-ZW-XL Bearing’s steel construction provides excellent resistance to wear and tear.
Its double-row needle rollers handle high radial loads, up to 26,100 lbf static capacity.
The open seal type simplifies maintenance, ensuring long service life.
With a chamfer dimension of 0.6mm, it fits seamlessly into various applications.
Steel vs Ceramic Bearings: Strengths of RNA6908-ZW-XL Bearing
RNA6908-ZW-XL Bearing uses steel for all components, ensuring robustness and cost-effectiveness.
The steel rollers and cage provide reliable performance under heavy radial loads.
Its press-fit design enhances stability, reducing the risk of misalignment.
The bearing’s weight of 256 g makes it lightweight yet durable for industrial use.

Application

Industrial Uses of RNA6908-ZW-XL Bearing
RNA6908-ZW-XL Bearing is commonly used in heavy machinery like construction equipment and agricultural tools, where its double-row design handles high radial loads efficiently. The press-fit mounting ensures a secure connection, reducing slippage during operation.
How Does RNA6908-ZW-XL Bearing Improve Performance?
In automotive transmissions, RNA6908-ZW-XL Bearing’s steel construction provides durability under constant stress, while its open design allows for easy lubrication. This helps maintain smooth performance even at high speeds.
Built for Heavy-Duty Use: RNA6908-ZW-XL Bearing
RNA6908-ZW-XL Bearing excels in conveyor systems, where its needle rollers distribute load evenly, minimising wear. The metric sizing makes it a versatile choice for various industrial applications.
Automotive vs Industrial: Applications of RNA6908-ZW-XL Bearing
RNA6908-ZW-XL Bearing is equally effective in vehicle drivetrains and factory machinery, thanks to its robust steel components. Its high dynamic load capacity ensures reliability in both settings.

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