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Single Row Cylindrical Roller Bearings With Inner Ring NJ 2244 ECML
Single Row Cylindrical Roller Bearings With Inner Ring NJ 2244 ECML

Single Row Cylindrical Roller Bearings With Inner Ring NJ 2244 ECML

The NJ 2244 ECML is a single-row cylindrical roller bearing with a 220mm bore and 400mm outer diameter, built from sturdy chrome steel. It handles combined loads up to 353250 lbf and runs smoothly at speeds up to 3000 RPM.

Its brass cage design ensures durability, while the open seal allows for easy lubrication with grease or oil. The bearing operates well in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like industrial gearboxes or large machinery where radial and axial loads are present.

Weighing 60.2kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NJ 2244 ECML
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 220 mm
  • Bore Dia Tolerance -0.03mm to 0
  • Outer Dia 400 mm
  • Outer Dia Tolerance -0.04mm to 0
  • Width 108 mm
  • Width Tolerance -0.30mm to 0
  • Shoulder Dia Of Inner Ring 278 mm
  • Chamfer Dimension r1,2(min.) 4 mm
  • Chamfer Dimension r3,4(min.) 4 mm
  • Permissible Axial Displacement(max.) 7.9 mm
  • System of Measurement Metric
  • Roller Bearing Type Cylindrical
  • For Load Direction Combined
  • Construction Single Row
  • Inner Ring Type With Inner Ring
  • Seal Type Open
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Brass cage, inner or outer ring centred
  • Dynamic Radial Load 353250 lbf
  • Static Radial Load 513000 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 3000 rpm
  • Weight 60.2 kg
  • Shoulder Dia Of Outer Ring 350 mm
  • Raceway Diameter Of Inner Ring 259 mm

Features

Core Advantages of NJ 2244 ECML Bearing

NJ 2244 ECML Bearing features a chrome steel construction, offering high resistance to combined loads.
Its dynamic radial load capacity of 353,250 lbf ensures reliable performance in heavy-duty applications.

The brass cage design helps maintain roller alignment, reducing friction and wear.
This extends the bearing’s service life, even under demanding conditions.

With a maximum speed of 3,000 rpm, NJ 2244 ECML Bearing balances speed and durability.
It operates smoothly within a temperature range of -30° to 110°C, suitable for various environments.

The open seal type allows for easy lubrication with grease or oil.
This simplifies maintenance and ensures consistent performance over time.

Application

Industrial Uses of NJ 2244 ECML Bearing
NJ 2244 ECML Bearing is commonly used in heavy machinery like industrial gearboxes and large conveyor systems, where its cylindrical roller design handles combined loads efficiently. The brass cage ensures smooth operation even at high speeds, making it suitable for demanding environments.

Where Is NJ 2244 ECML Bearing Used?
In automotive applications, NJ 2244 ECML Bearing supports components like drivetrains and wheel hubs, thanks to its high dynamic radial load capacity. The chrome steel construction provides durability under constant stress, ensuring long service life.

Built for Heavy-Duty Use: NJ 2244 ECML Bearing
For wind turbines and mining equipment, NJ 2244 ECML Bearing’s robust design and grease lubrication option make it ideal for harsh conditions. Its metric sizing ensures compatibility with a wide range of industrial equipment.

Automotive vs Aerospace: Applications of NJ 2244 ECML Bearing
In automotive settings, NJ 2244 ECML Bearing excels in transmissions and axles, while in aerospace, it’s used in landing gear systems. The temperature range of -30° to 110°C ensures reliability in varied climates.

Essential Roles of NJ 2244 ECML Bearing
NJ 2244 ECML Bearing is vital in paper mills and steel plants, where its high static radial load capacity supports heavy rollers. The open seal type allows for easy maintenance, reducing downtime in continuous operations.

Q&A

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