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21313 CCK Double Row Spherical Roller Bearing

21313 CCK Double Row Spherical Roller Bearing

The 21313 CCK 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 allows for easy lubrication, while the steel cage ensures durability. The bearing performs reliably in temperatures ranging from -30°C to 200°C.

With a tapered bore (1:12), it offers secure fitting, and the double-row construction enhances load capacity. Ideal for heavy-duty applications like industrial gearboxes or mining equipment.

Weighing 2.55kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a dependable choice for replacements, interchangeable with SKF bearings.

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Product Parameters

  • Part Number 21313 CCK
  • Brand TFL
  • Interchangeable SKF
  • Size 65 x 140 x 33 mm
  • Bore Dia 65 mm
  • Bore Dia Tolerance +0.03mm 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 Taper 1:12
  • 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$） 51.48

Features

Performance Features of 21313 CCK Bearing

21313 CCK Bearing is built with chrome steel rings and rollers, offering excellent resistance to combined loads.
Its dynamic radial load capacity reaches 54629 lbf, ensuring reliable operation under heavy stress.

The double-row spherical roller design allows for smooth performance even in misaligned conditions.
With a maximum speed of 6000 rpm, it balances efficiency and durability in demanding applications.

21313 CCK Bearing operates in temperatures from -30° to 200°C, making it suitable for varied environments.
The steel cage maintains roller alignment, reducing wear and extending the bearing’s service life.

Application

Industrial Uses of 21313 CCK Bearing
21313 CCK Bearing is commonly used in heavy machinery like crushers and vibrating screens, where its double-row spherical design handles misalignment and heavy radial loads. The chrome steel construction ensures durability in harsh industrial environments.

Where Is 21313 CCK Bearing Used?
You’ll find 21313 CCK Bearing in conveyor systems and gearboxes, where its tapered bore provides a secure fit for high-torque applications. Its open design simplifies lubrication, extending service life in demanding conditions.

Built for Heavy-Duty Use: 21313 CCK Bearing
21313 CCK Bearing excels in mining equipment, supporting shafts and pulleys under extreme loads. The steel cage and chrome steel rollers offer reliable performance even at high speeds.

Automotive vs Aerospace: Applications of 21313 CCK Bearing
In automotive applications, 21313 CCK Bearing is ideal for truck axles and drivetrains, handling combined loads with ease. For aerospace, its high-temperature tolerance makes it suitable for auxiliary machinery.

Perfect Fit for Automation: 21313 CCK Bearing
21313 CCK Bearing works well in robotic arms and automated assembly lines, where precision and load capacity are key. The metric sizing ensures compatibility with European and Asian machinery standards.

Q&A

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