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21313 EK Double Row Spherical Roller Bearing

21313 EK Double Row Spherical Roller Bearing

The 21313 EK 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 tapered bore ensure easy installation, while the steel cage enhances durability. The bearing includes a lubrication groove and holes for easy maintenance.

Suitable for heavy-duty applications like industrial gearboxes or mining equipment, it performs well in temperatures from -30°C to 200°C.

Weighing 2.5kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for replacements, interchangeable with SKF bearings.

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Product Parameters

  • Part Number 21313 EK
  • 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 2.5 kg
  • Price （US$） 66.91

Features

Performance Features of 21313 EK Bearing

21313 EK Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 54629 lbf, ensuring reliable performance in heavy-duty applications.

The double-row spherical design allows for slight misalignment, reducing stress and wear.
This makes 21313 EK Bearing suitable for applications where shaft deflection might occur.

With a maximum speed of 6000 rpm, it balances durability and efficiency.
The steel cage keeps the rollers aligned, ensuring smooth operation even under heavy loads.

21313 EK Bearing operates in temperatures from -30° to 200°C, making it versatile for various environments.
Its tapered bore design simplifies installation, saving time and effort during setup.

Application

Industrial Uses of 21313 EK Bearing
21313 EK 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 EK Bearing Used?
You’ll often find 21313 EK Bearing in conveyor systems and gearboxes, where its tapered bore provides secure mounting and efficient load distribution. Its high dynamic radial load capacity makes it reliable for continuous operation.

Built for Heavy-Duty Use: 21313 EK Bearing
21313 EK Bearing excels in mining equipment, thanks to its spherical rollers that accommodate shaft deflections. The steel cage and lubrication groove extend its service life even under demanding conditions.

Automotive vs Aerospace: Applications of 21313 EK Bearing
In automotive applications, 21313 EK Bearing supports drivetrain components, while in aerospace, it’s used in auxiliary systems due to its high-speed capability. The metric sizing ensures compatibility across various industries.

Perfect Fit for Automation: 21313 EK Bearing
21313 EK Bearing is ideal for robotic arms and automated assembly lines, where precision and load capacity are key. Its open design allows for easy lubrication, maintaining smooth performance over time.

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