lianxidianhua +86 15806631151 send-sms info@sdtflbearing.com
/
/
Heavy Duty Needle Roller Bearings (Machined) NA4901-2RSR-XL
Heavy Duty Needle Roller Bearings (Machined) NA4901-2RSR-XL

Heavy Duty Needle Roller Bearings (Machined) NA4901-2RSR-XL

The NA4901-2RSR-XL is a heavy-duty needle roller bearing with a 12mm bore and 24mm outer diameter, crafted from sturdy steel for long-lasting performance. It handles radial loads up to 1935 lbf and spins smoothly at speeds up to 13,900 RPM.
Its double-seal design keeps dirt out and grease in, making it low-maintenance. The steel cage and rollers ensure durability, while the press-fit shaft mount provides a secure installation.
This bearing is ideal for high-speed applications like gearboxes or power tools where space is tight but performance is key. It works in temperatures from -20°C to 110°C and is interchangeable with INA models.
Weighing just 27.5g, it’s lightweight yet robust. Compliant with RoHS standards, it’s a reliable choice for demanding radial load scenarios.

Get A Free Quote

"*" indicates required fields

This field is for validation purposes and should be left unchanged.

Product Parameters

  • Part Number NA4901-2RSR-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 Double Seal
  • Inner Ring Yes
  • Series With Inner Ring
  • Bore Dia 12 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 24 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 14 mm
  • Width Tolerance -0.12mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 1935 lbf
  • Static Radial Load 1868 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 13900 rpm
  • Weight 27.5 g

Features

What Makes NA4901-2RSR-XL Bearing Durable?
NA4901-2RSR-XL Bearing is built with steel rings and rollers, offering strong resistance to radial loads.
Its dynamic radial load capacity reaches 1935 lbf, ensuring reliable performance in heavy-duty applications.
The double seal design protects against contaminants, extending service life in harsh environments.
With a maximum speed of 13,900 rpm, it balances durability and high-speed operation.
How Does NA4901-2RSR-XL Bearing Reduce Friction?
NA4901-2RSR-XL Bearing features precision-engineered needle rollers that minimise friction during operation.
The steel cage maintains proper roller alignment, reducing wear and improving efficiency.
Its press-fit shaft mount ensures secure installation, preventing misalignment and further friction.
Lubrication is required to maintain smooth performance over extended periods.
Why Choose NA4901-2RSR-XL Bearing for Precision Tasks?
NA4901-2RSR-XL Bearing offers tight tolerances, with bore diameter precision of -0.008mm to 0.
The double-sealed construction keeps out dust and debris, ensuring consistent performance.
Its compact design, with a width of just 14mm, fits easily into precision machinery.
The bearing operates smoothly within a temperature range of -20 to 110°C.
Built for Reliability: NA4901-2RSR-XL Bearing
NA4901-2RSR-XL Bearing’s steel construction provides excellent strength for demanding applications.
The inner ring design enhances stability and load distribution during operation.
With a static radial load capacity of 1868 lbf, it handles heavy loads reliably.
Its 0.3mm chamfer dimension allows for easier installation in tight spaces.
Steel vs Ceramic Bearings: Strengths of NA4901-2RSR-XL Bearing
NA4901-2RSR-XL Bearing uses high-quality steel for all components, ensuring durability and cost-effectiveness.
The steel construction provides better impact resistance compared to ceramic alternatives.
Its 27.5g lightweight design reduces overall system weight without sacrificing performance.
The bearing meets RoHS compliance standards, making it environmentally friendly.

Application

Industrial Uses of NA4901-2RSR-XL Bearing
NA4901-2RSR-XL Bearing is commonly used in heavy machinery, such as construction equipment and agricultural tools, where its robust design handles high radial loads with ease. The double seal feature helps keep contaminants out, extending the bearing’s lifespan in dusty environments.
In automotive applications, NA4901-2RSR-XL Bearing fits well in gearboxes and transmission systems, providing reliable performance under constant motion. Its press-fit mounting ensures a secure attachment, reducing the risk of slippage during operation.
For automation systems, NA4901-2RSR-XL Bearing is a solid choice for robotic arms and conveyor belts, thanks to its high-speed capability and steel construction. The compact size makes it ideal for space-constrained setups without compromising on durability.
What Makes NA4901-2RSR-XL Bearing a Preferred Choice?
NA4901-2RSR-XL Bearing stands out in industrial fans and pumps due to its ability to handle both high speeds and heavy loads. The steel rollers and cage offer a good balance of strength and smooth operation.
In household appliances like washing machines, NA4901-2RSR-XL Bearing ensures quiet and efficient performance. Its double-sealed design keeps lubrication in and dirt out, making it low-maintenance for everyday use.
Built for Heavy-Duty Use: NA4901-2RSR-XL Bearing
NA4901-2RSR-XL Bearing is often found in forklifts and other material handling equipment, where its radial load capacity and durability are key. The metric sizing ensures compatibility with a wide range of machinery.
For small electric motors, NA4901-2RSR-XL Bearing provides reliable support, even at high RPMs. The steel construction and precise tolerances make it a dependable choice for long-term use.

Q&A

SEND INQUIRY

"*" indicates required fields

This field is for validation purposes and should be left unchanged.