Heavy Duty Needle Roller Bearings (Machined) RNA6911-ZW-XL

The RNA6911-ZW-XL is a heavy-duty needle roller bearing with a 63mm bore and 80mm outer diameter, crafted from sturdy steel for long-lasting performance. It handles radial loads up to 22950 lbf and spins smoothly at speeds up to 7200 RPM.
Designed without an inner ring, it features a press-fit shaft mount for secure installation. The open design allows for easy lubrication, ensuring smooth operation in temperatures from -20°C to 110°C.
This double-row bearing is interchangeable with INA models, making it a practical choice for replacements. Ideal for heavy machinery or industrial equipment where high radial loads are common.
Weighing 470g, it’s robust yet manageable for its size. Compliant with RoHS standards for safe and reliable use.

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Description

Features

Application

Q&A

Product Parameters

Part Number RNA6911-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 63 mm
Bore Dia Tolerance 0.03mm to 0.049mm
Outer Dia 80 mm
Outer Dia Tolerance -0.013mm to 0
Width 45 mm
Width Tolerance -0.15mm to 0
Ring Material Steel
Cage Material Steel
Roller Material Steel
Dynamic Radial Load 22950 lbf
Static Radial Load 39600 lbf
Lubrication Required
Shaft Mount Type Press Fit
Temperature Range -20 to 110 °C
RoHS Compliant
Max Speed 7200 rpm
Weight 470 g

Heavy Duty Needle Roller Bearings (Machined) RNA6911-ZW-XL dimension drawing

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Features

How Does RNA6911-ZW-XL Bearing Handle Heavy Loads?
RNA6911-ZW-XL Bearing is built with a double-row needle roller design, offering high radial load capacity.
Its dynamic radial load rating of 22,950 lbf ensures reliable performance in heavy-duty applications.
The steel construction provides durability, while the press-fit shaft mount type simplifies installation.
With a maximum speed of 7,200 rpm, it balances strength and efficiency.
Why Choose RNA6911-ZW-XL Bearing for Precision Tasks?
RNA6911-ZW-XL Bearing’s precise needle roller design ensures smooth operation under radial loads.
The steel cage and rollers maintain alignment, reducing friction and wear.
Its bore diameter tolerance of 0.03mm to 0.049mm allows for accurate fitting.
This bearing is ideal for applications requiring both precision and durability.
Engineered for Reliability: RNA6911-ZW-XL Bearing
RNA6911-ZW-XL Bearing features a robust steel construction, suitable for demanding environments.
Its static radial load capacity of 39,600 lbf ensures long-term reliability.
The open design allows for easy lubrication, extending service life.
Operating within a temperature range of -20 to 110°C, it adapts to various conditions.
Steel vs Ceramic Bearings: Strengths of RNA6911-ZW-XL Bearing
RNA6911-ZW-XL Bearing uses high-quality steel for both rollers and cage, ensuring durability.
This material choice provides excellent resistance to heavy radial loads.
The bearing’s design focuses on longevity, with a need for regular lubrication.
It is a cost-effective solution for industrial applications requiring robust performance.

Application

Industrial Uses of RNA6911-ZW-XL Bearing
RNA6911-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 steel construction ensures durability even in demanding environments.
Where Is RNA6911-ZW-XL Bearing Used?
You’ll often find RNA6911-ZW-XL Bearing in automotive transmissions and industrial gearboxes, where its press-fit design provides a secure mounting solution. Its high-speed capability makes it suitable for applications requiring reliable performance under stress.
Built for Heavy-Duty Use: RNA6911-ZW-XL Bearing
RNA6911-ZW-XL Bearing excels in conveyor systems and material handling equipment, thanks to its robust steel rollers and open design for easy lubrication. The wide temperature range allows it to perform well in various climates.
Automotive vs Industrial: Applications of RNA6911-ZW-XL Bearing
In automotive settings, RNA6911-ZW-XL Bearing supports components like differential systems, while in industrial applications, it’s ideal for pumps and compressors. Its high load capacity ensures longevity in both scenarios.
Perfect Fit for Automation: RNA6911-ZW-XL Bearing
RNA6911-ZW-XL Bearing is a great choice for robotic arms and automated assembly lines, where precision and reliability are key. The steel cage and rollers provide smooth operation even at high speeds.