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21314 EK Double Row Spherical Roller Bearing
21314 EK Double Row Spherical Roller Bearing

21314 EK Double Row Spherical Roller Bearing

The 21314 EK is a double-row spherical roller bearing with a 70mm bore and 150mm outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 65419 lbf and operates smoothly at speeds up to 5600 RPM.

Its spherical roller design allows for slight misalignment, while the steel cage ensures durability. The open construction requires lubrication, with grooves and holes for easy maintenance.

This bearing is interchangeable with SKF models, making it a practical choice for replacements. Suitable for heavy-duty applications like industrial gearboxes or mining equipment.

Weighing 3.1kg, it’s built to last in temperatures from -30°C to 200°C. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 21314 EK
  • Brand TFL
  • Interchangeable SKF
  • Size 70 x 150 x 35 mm
  • Bore Dia 70 mm
  • Bore Dia Tolerance +0.03mm to 0
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.018mm to 0
  • Width 35 mm
  • Width Tolerance -0.06mm to 0
  • Shoulder Dia Of Inner Ring 101 mm
  • Shoulder/Recess Dia Of Outer Ring 133 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 65419 lbf
  • Static Radial Load 73063 lbf
  • Max Speed 5600 rpm
  • Lubrication Required
  • Temperature Range -30° to 200 °C
  • Radial Clearance CN
  • RoHs Compliant
  • REACH Compliant
  • Weight 3.1 kg
  • Price (US$) 62.87

Features

Performance Features of 21314 EK Bearing

21314 EK Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 65419 lbf, ensuring reliable performance in heavy-duty applications.

The double-row spherical roller design allows for slight misalignment, reducing stress on the bearing.
With a maximum speed of 5600 rpm, it maintains efficiency under demanding conditions.

21314 EK Bearing operates in temperatures from -30° to 200°C, making it suitable for various environments.
The steel cage ensures proper roller alignment, enhancing durability and reducing wear.

Lubrication grooves and holes in 21314 EK Bearing facilitate easy maintenance, extending its service life.
Its tapered bore design simplifies installation, saving time and effort during setup.

Application

Industrial Uses of 21314 EK Bearing
21314 EK 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 type adapts well to misalignment, making it reliable in rugged conditions.

What Makes 21314 EK Bearing a Preferred Choice?
In mining equipment, 21314 EK Bearing’s high dynamic load capacity ensures longevity even under extreme stress. Its tapered bore allows for secure mounting on shafts, reducing slippage during operation.

Built for Heavy-Duty Use: 21314 EK Bearing
For paper mills and steel plants, 21314 EK Bearing’s chrome steel construction resists wear in high-temperature environments. The open design simplifies lubrication, keeping performance consistent over long periods.

Automotive vs Aerospace: Applications of 21314 EK Bearing
In truck transmissions, 21314 EK Bearing supports combined loads with ease, while its precision tolerances make it suitable for aerospace gearboxes. The metric sizing ensures compatibility across global standards.

Essential Roles of 21314 EK Bearing
21314 EK Bearing is vital in wind turbines, where its ability to handle misalignment and heavy loads reduces maintenance needs. The steel cage adds durability, making it a cost-effective solution for renewable energy systems.

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