+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Heavy Duty Needle Roller Bearings (Machined) NKI55/25-TW-XL

Heavy Duty Needle Roller Bearings (Machined) NKI55/25-TW-XL

The NKI55/25-TW-XL is a heavy-duty needle roller bearing with a 55mm bore and 72mm outer diameter, crafted from sturdy steel for reliable performance. It handles radial loads up to 11925 lbf and spins smoothly at speeds up to 7700 RPM.
Its double-row design offers enhanced load capacity, while the plastic cage ensures smooth operation. The bearing requires lubrication and is designed for press-fit mounting on shafts.
This model works well in temperatures from -20°C to 110°C and is interchangeable with INA bearings. Ideal for industrial machinery or automotive applications where high radial loads are common.
Weighing just 255g, it’s lightweight yet robust for its size. Compliant with RoHS standards for safe use.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number NKI55/25-TW-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 Yes
  • Series With Inner Ring
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.015mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 25 mm
  • Width Tolerance -0.15mm to 0
  • Ring Material Steel
  • Cage Material Plastic
  • Roller Material Steel
  • Dynamic Radial Load 11925 lbf
  • Static Radial Load 23175 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 7700 rpm
  • Weight 255 g
Heavy Duty Needle Roller Bearings (Machined) NKI55/25-TW-XL dimension drawing
Download DWG Download PDF

Features

Performance Features of NKI55/25-TW-XL Bearing
NKI55/25-TW-XL Bearing is built with double-row needle rollers, offering high radial load capacity.
Its dynamic radial load reaches 11925 lbf, making it suitable for heavy-duty applications.
The steel rollers and rings ensure durability, while the plastic cage reduces friction.
This design helps maintain smooth operation even under demanding conditions.
NKI55/25-TW-XL Bearing operates efficiently within a temperature range of -20 to 110°C.
Its press-fit shaft mount type simplifies installation, saving time and effort.
With a maximum speed of 7700 rpm, it balances performance and reliability.
The open seal design allows for easy lubrication, ensuring long service life.

Application

Industrial Uses of NKI55/25-TW-XL Bearing
NKI55/25-TW-XL Bearing is commonly used in heavy machinery like construction equipment and hydraulic pumps, where its double-row design handles high radial loads efficiently. The steel construction ensures durability in demanding environments.
Where Is NKI55/25-TW-XL Bearing Used?
In automotive applications, NKI55/25-TW-XL Bearing fits well in gearboxes and transmission systems, providing reliable performance under constant stress. Its press-fit mounting makes installation straightforward for mechanics.
Built for Heavy-Duty Use: NKI55/25-TW-XL Bearing
For automation systems, NKI55/25-TW-XL Bearing supports robotic arms and conveyor belts, offering smooth operation at high speeds. The plastic cage reduces friction, extending the bearing’s lifespan.
Light-Duty vs Heavy-Duty: Best Uses for NKI55/25-TW-XL Bearing
In consumer electronics, NKI55/25-TW-XL Bearing is less common but can be found in heavy-duty power tools where radial load capacity is key. Its metric dimensions ensure compatibility with various international standards.

Q&A

SEND INQUIRY