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21313 CJ Double Row Spherical Roller Bearing
21313 CJ Double Row Spherical Roller Bearing

21313 CJ Double Row Spherical Roller Bearing

The 21313 CJ is a double-row spherical roller bearing with a 65mm bore and 140mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 54629 lbf and operates smoothly at speeds up to 6000 RPM.

Its open design and steel cage ensure durability, while the lubrication groove and holes simplify maintenance. The bearing performs reliably in temperatures ranging from -30°C to 200°C.

This model is interchangeable with SKF bearings, offering a dependable replacement option. Suitable for heavy-duty applications like industrial gearboxes or mining equipment where high radial loads are present.

Weighing 2.55kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 21313 CJ
  • Brand TFL
  • Interchangeable SKF
  • Size 65 x 140 x 33 mm
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.015mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.018mm to 0
  • Width 33 mm
  • Width Tolerance -0.06mm to 0
  • Shoulder Dia Of Inner Ring 94.7 mm
  • Shoulder/Recess Dia Of Outer Ring 124 mm
  • Width Of Lubrication Groove 6 mm
  • Diameter Of Lubrication Hole 3 mm
  • Chamfer Dimension min.2.1 mm
  • System of Measurement Metric
  • Radial run-out Standard
  • Bearing Type Roller
  • Roller Bearing Type Spherical
  • Bore Type Cylindrical
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 54629 lbf
  • Static Radial Load 60698 lbf
  • Max Speed 6000 rpm
  • Lubrication Required
  • Temperature Range -30° to 200 °C
  • Radial Clearance CN
  • RoHs Compliant
  • REACH Compliant
  • Weight 2.55 kg
  • Price (US$) 48.24

Features

Performance Features of 21313 CJ Bearing

21313 CJ Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 54629 lbf, making it suitable for heavy-duty applications.

The double-row spherical roller design ensures smooth operation even under misalignment conditions.
With a maximum speed of 6000 rpm, it delivers reliable performance in demanding environments.

21313 CJ Bearing operates efficiently in temperatures ranging from -30° to 200°C.
Its steel cage maintains roller alignment, reducing wear and extending service life.

The lubrication groove and hole design ensure consistent lubrication for optimal performance.
This reduces maintenance needs and enhances operational reliability.

Application

Industrial Uses of 21313 CJ Bearing
21313 CJ Bearing is commonly used in heavy machinery like crushers and vibrating screens, where its double-row design handles both radial and axial loads efficiently. The spherical roller construction also helps accommodate misalignment, reducing wear in demanding conditions.

Where Is 21313 CJ Bearing Used?
You’ll often find 21313 CJ Bearing in mining equipment, where its high dynamic load capacity ensures reliable performance under extreme stress. The open design simplifies lubrication, keeping operations smooth even in dusty environments.

Built for Heavy-Duty Use: 21313 CJ Bearing
21313 CJ Bearing excels in construction equipment like cranes and excavators, thanks to its robust chrome steel rollers and steel cage. Its wide temperature range makes it suitable for both hot and cold working environments.

Automotive vs Aerospace: Applications of 21313 CJ Bearing
In automotive applications, 21313 CJ Bearing supports heavy-duty axles and gearboxes, while in aerospace, it’s used in auxiliary systems requiring high load capacity. The metric sizing ensures compatibility with global standards.

Essential Roles of 21313 CJ Bearing
21313 CJ Bearing is a go-to choice for wind turbines, where its ability to handle misalignment and heavy loads ensures long service life. The lubrication groove design also helps maintain performance in remote, hard-to-access locations.

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