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21316 EK Double Row Spherical Roller Bearing
21316 EK Double Row Spherical Roller Bearing

21316 EK Double Row Spherical Roller Bearing

The 21316 EK is a double-row spherical roller bearing with an 80mm bore and 170mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 74412 lbf and operates smoothly at speeds up to 5300 RPM.

Its open design and tapered bore ensure easy installation, while the steel cage provides reliable performance. The bearing includes lubrication grooves and holes for easy maintenance.

Suitable for high-temperature environments, it works well from -30°C to 200°C. This model is interchangeable with SKF bearings, making it a practical choice for replacements.

Ideal for heavy-duty applications like industrial machinery or gear systems where combined loads are common. Weighing 4.5kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 21316 EK
  • Brand TFL
  • Interchangeable SKF
  • Size 80 x 170 x 39 mm
  • Bore Dia 80 mm
  • Bore Dia Tolerance +0.03mm to 0
  • Outer Dia 170 mm
  • Outer Dia Tolerance -0.025mm to 0
  • Width 39 mm
  • Width Tolerance -0.06mm to 0
  • Shoulder Dia Of Inner Ring 106 mm
  • Shoulder/Recess Dia Of Outer Ring 141 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 74412 lbf
  • Static Radial Load 84303 lbf
  • Max Speed 5300 rpm
  • Lubrication Required
  • Temperature Range -30° to 200 °C
  • Radial Clearance CN
  • RoHs Compliant
  • REACH Compliant
  • Weight 4.5 kg
  • Price (US$) 101.9

Features

Performance Features of 21316 EK Bearing

21316 EK Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 74,412 lbf, ensuring reliable performance in heavy-duty applications.

The double-row spherical roller design allows for smooth operation even under misalignment conditions.
With a maximum speed of 5,300 rpm, it balances durability and efficiency in demanding environments.

21316 EK Bearing operates effectively in temperatures ranging from -30° to 200°C.
The steel cage maintains roller alignment, reducing wear and extending the bearing’s service life.

The tapered bore design simplifies installation and ensures a secure fit.
Lubrication grooves and holes facilitate proper maintenance, enhancing long-term performance.

Application

Industrial Uses of 21316 EK Bearing
21316 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 even in harsh industrial environments.

Where Is 21316 EK Bearing Used?
In mining equipment, 21316 EK Bearing supports rotating components like conveyor pulleys, thanks to its high dynamic radial load capacity. The tapered bore also simplifies installation in shaft-mounted applications.

Built for Heavy-Duty Use: 21316 EK Bearing
21316 EK Bearing excels in paper mill machinery, where its spherical rollers accommodate shaft deflections under heavy loads. The steel cage provides added strength for continuous operation.

Automotive vs Aerospace: Applications of 21316 EK Bearing
In automotive applications, 21316 EK Bearing is found in truck wheel hubs, while in aerospace, it supports auxiliary gearboxes. Its temperature range up to 200°C makes it versatile for demanding conditions.

Essential Roles of 21316 EK Bearing
21316 EK Bearing is a reliable choice for wind turbine gearboxes, where its combined load capacity and high-speed performance are crucial. The lubrication groove ensures smooth operation even under constant stress.

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