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Single Row Cylindrical Roller Bearings With Inner Ring NUP 3988 ECM

Single Row Cylindrical Roller Bearings With Inner Ring NUP 3988 ECM

The NUP 3988 ECM is a single row cylindrical roller bearing with a 440mm bore and 600mm outer diameter, built from sturdy chrome steel. It handles combined loads up to 445500 lbf and runs smoothly at speeds up to 1000 RPM.

Its open design allows for easy lubrication with grease or oil, while the PA66 cage ensures durability. 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 machinery or large gearboxes where combined loads are common.

Weighing 105kg, it’s robust and built to last. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NUP 3988 ECM
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 440 mm
  • Bore Dia Tolerance -0.045mm to 0
  • Outer Dia 600 mm
  • Outer Dia Tolerance -0.05mm to 0
  • Width 118 mm
  • Width Tolerance -0.45mm to 0
  • Shoulder Dia Of Inner Ring 495 mm
  • Chamfer Dimension r1,2(min.) 4 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 PA66 cage, roller centred
  • Dynamic Radial Load 445500 lbf
  • Static Radial Load 956250 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 1000 rpm
  • Weight 105 kg
  • Shoulder Dia Of Outer Ring 552 mm
  • Raceway Diameter Of Inner Ring 481 mm
Single Row Cylindrical Roller Bearings With Inner Ring NUP 3988 ECM dimension drawing
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Features

Performance Features of NUP 3988 ECM Bearing

NUP 3988 ECM Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 445,500 lbf, ensuring reliable performance in heavy-duty applications.

The PA66 cage keeps the rollers centred, reducing friction and extending service life.
With a maximum speed of 1,000 rpm, it balances durability and efficiency in demanding conditions.

NUP 3988 ECM Bearing operates effectively in temperatures from -30° to 110°C.
Its open design allows for easy lubrication with grease or oil, reducing maintenance needs.

The precise chamfer dimensions and shoulder diameters ensure smooth installation and alignment.
This bearing is ideal for applications requiring high load capacity and long-term reliability.

Application

Industrial Uses of NUP 3988 ECM Bearing
NUP 3988 ECM Bearing is commonly used in heavy machinery like industrial gearboxes and large conveyor systems, where its cylindrical roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is NUP 3988 ECM Bearing Used?
You’ll often find NUP 3988 ECM Bearing in wind turbines and mining equipment, thanks to its high dynamic radial load capacity. Its open design allows for easy lubrication, extending service life in harsh conditions.

Built for Heavy-Duty Use: NUP 3988 ECM Bearing
NUP 3988 ECM Bearing excels in steel mills and paper processing plants, where its single-row design provides stability under heavy loads. The PA66 cage material reduces friction, enhancing performance at high speeds.

Automotive vs Aerospace: Applications of NUP 3988 ECM Bearing
In automotive applications, NUP 3988 ECM Bearing supports large drivetrain components, while in aerospace, it’s used in landing gear systems. Its metric sizing ensures compatibility across various industries.

Key Fields for NUP 3988 ECM Bearing
NUP 3988 ECM Bearing is ideal for marine propulsion systems, where its grease or oil lubrication options adapt to different operating conditions. The wide temperature range makes it reliable in extreme climates.

Q&A

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