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21310 EK Double Row Spherical Roller Bearing
21310 EK Double Row Spherical Roller Bearing

21310 EK Double Row Spherical Roller Bearing

The 21310 EK is a double-row spherical roller bearing with a 50mm bore and 110mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 35745 lbf and runs smoothly at speeds up to 7500 RPM.

Its open design and lubrication groove make maintenance straightforward, while the steel cage ensures durability. The bearing operates 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 combined loads are typical.

Weighing 1.3kg, it balances strength and practicality. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 21310 EK
  • Brand TFL
  • Interchangeable SKF
  • Size 50 x 110 x 27 mm
  • Bore Dia 50 mm
  • Bore Dia Tolerance +0.025mm to 0
  • Outer Dia 110 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 27 mm
  • Width Tolerance -0.06mm to 0
  • Shoulder Dia Of Inner Ring 72.7 mm
  • Shoulder/Recess Dia Of Outer Ring 96.8 mm
  • Width Of Lubrication Groove 6 mm
  • Diameter Of Lubrication Hole 3 mm
  • Chamfer Dimension min.2 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 35745 lbf
  • Static Radial Load 37318 lbf
  • Max Speed 7500 rpm
  • Lubrication Required
  • Temperature Range -30° to 200 °C
  • Radial Clearance CN
  • RoHs Compliant
  • REACH Compliant
  • Weight 1.3 kg
  • Price (US$) 42.37

Features

Performance Features of 21310 EK Bearing

21310 EK Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 35745 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 7500 rpm, it maintains efficiency under demanding conditions.

21310 EK Bearing operates in temperatures from -30° to 200°C, suitable for various industrial environments.
The steel cage ensures proper roller alignment, enhancing durability and reducing maintenance needs.

Application

Industrial Uses of 21310 EK Bearing
21310 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 21310 EK Bearing Used?
You’ll often find 21310 EK Bearing in conveyor systems and gearboxes, where its tapered bore provides a secure fit. Its high dynamic load capacity makes it suitable for continuous operation in demanding settings.

Built for Heavy-Duty Use: 21310 EK Bearing
21310 EK Bearing excels in mining equipment, thanks to its spherical rollers that distribute loads evenly. The steel cage adds strength, making it reliable for high-vibration applications.

Automotive vs Aerospace: Applications of 21310 EK Bearing
In automotive applications, 21310 EK Bearing supports drivetrain components, while in aerospace, it’s used in auxiliary systems. Its temperature range up to 200°C ensures performance in varied conditions.

Practical Applications of 21310 EK Bearing
21310 EK Bearing is a go-to for wind turbines, where its ability to handle combined loads and misalignment is crucial. The lubrication groove design simplifies maintenance in hard-to-reach areas.

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