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The NK55/25-D-XL is a heavy-duty needle roller bearing with a 55mm bore and 68mm outer diameter, crafted from sturdy steel for reliable performance. It handles radial loads up to 12825 lbf and spins smoothly at speeds up to 8400 RPM.
Its open design requires regular lubrication, while the steel cage ensures durability under high stress. The bearing operates well in temperatures from -20°C to 110°C, making it versatile for various conditions.
Designed for press-fit mounting, it’s easy to install on shafts without an inner ring. Ideal for applications like gearboxes or heavy machinery where space is limited but high load capacity is needed.
Weighing just 195g, it’s lightweight yet robust. Compliant with RoHS standards, it’s a practical choice for replacements, especially as it’s interchangeable with INA bearings.
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Performance Features of NK55/25-D-XL Bearing
NK55/25-D-XL Bearing is built for heavy-duty radial loads, with a dynamic radial load capacity of 12825 lbf.
Its steel construction ensures durability and reliability in demanding applications.
The press-fit shaft mount type simplifies installation, saving time and effort.
With a maximum speed of 8400 rpm, it balances performance and longevity.
How Does NK55/25-D-XL Bearing Resist Wear?
NK55/25-D-XL Bearing’s steel rollers and cage minimise wear, even under high radial loads.
The open design allows for easy lubrication, further reducing friction and extending service life.
Its static radial load capacity of 24975 lbf ensures reliable operation in tough conditions.
The bearing operates efficiently within a temperature range of -20 to 110°C.
Engineered for Precision: NK55/25-D-XL Bearing
NK55/25-D-XL Bearing’s precise dimensions ensure a perfect fit for radial load applications.
The bore diameter tolerance of 0.03mm to 0.049mm guarantees accurate alignment.
Its compact design, with a width of 25mm, makes it suitable for space-constrained installations.
The bearing’s steel construction provides consistent performance across various operating conditions.
Steel vs Ceramic Bearings: Strengths of NK55/25-D-XL Bearing
NK55/25-D-XL Bearing’s all-steel construction offers excellent strength and durability.
It handles heavy radial loads up to 12825 lbf, making it ideal for industrial applications.
The steel rollers and cage ensure reliable performance, even at high speeds of 8400 rpm.
Its press-fit design simplifies mounting, reducing installation time and effort.
Industrial Uses of NK55/25-D-XL Bearing
NK55/25-D-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 and steel construction make it durable in demanding environments.
In automotive applications, NK55/25-D-XL Bearing fits well in gearboxes and drivetrain systems, providing reliable performance under high speeds. Its press-fit mounting ensures a secure installation, reducing maintenance needs.
For automation systems, NK55/25-D-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 continuous operation.
NK55/25-D-XL Bearing is also found in industrial fans and pumps, handling radial loads efficiently. Its metric sizing and compatibility with INA bearings make it a versatile choice for various machinery upgrades.
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