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21317 EW Double Row Spherical Roller Bearing

21317 EW Double Row Spherical Roller Bearing

The 21317 EW is a double-row spherical roller bearing with an 85mm bore and 180mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 74412 lbf and runs smoothly at speeds up to 5300 RPM.

Its open design and lubrication groove make maintenance straightforward, while the steel cage ensures durability. The bearing operates well in temperatures from -30°C to 200°C.

This model is interchangeable with SKF bearings, offering a reliable replacement option. Suitable for heavy-duty applications like industrial gearboxes or mining equipment where high radial loads are common.

Weighing 5.35kg, it’s built to handle demanding conditions while complying with RoHS and REACH standards.

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Product Parameters

  • Part Number 21317 EW
  • Brand TFL
  • Interchangeable SKF
  • Size 85 x 180 x 41 mm
  • Bore Dia 85 mm
  • Bore Dia Tolerance -0.02mm to 0
  • Outer Dia 180 mm
  • Outer Dia Tolerance -0.025mm to 0
  • Width 41 mm
  • Width Tolerance -0.08mm 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.3 mm
  • System of Measurement Metric
  • Radial run-out Standard
  • Bearing Type Roller
  • Roller Bearing Type Spherical
  • Bore Type Cylindrical
  • 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 5.35 kg
  • Price （US$） 81.18

Features

Performance Features of 21317 EW Bearing

21317 EW 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 slight misalignment, reducing stress on the bearing.
This feature enhances durability and extends service life even under challenging conditions.

21317 EW Bearing operates efficiently within a wide temperature range from -30° to 200°C.
Its steel cage maintains roller alignment, ensuring smooth rotation at speeds up to 5,300 rpm.

With a radial clearance of CN, 21317 EW Bearing provides optimal performance for various industrial uses.
The lubrication groove and holes simplify maintenance, keeping operational costs low.

Application

Industrial Uses of 21317 EW Bearing
The 21317 EW Bearing is commonly used in heavy machinery like crushers and vibrating screens, where its double-row design handles both radial and axial loads efficiently. Its chrome steel construction ensures durability in demanding industrial environments.

Where Is 21317 EW Bearing Used?
You’ll often find 21317 EW Bearing in conveyor systems and gearboxes, where its high load capacity and spherical roller design accommodate misalignment. The open seal type allows for easy lubrication, extending its service life.

Built for Heavy-Duty Use: 21317 EW Bearing
21317 EW Bearing excels in applications like mining equipment, where its robust construction withstands extreme loads and harsh conditions. The steel cage adds extra strength, making it a reliable choice for continuous operation.

Automotive vs Aerospace: Applications of 21317 EW Bearing
In automotive applications, 21317 EW Bearing supports heavy axles and transmissions, while in aerospace, its precision and temperature resistance make it suitable for auxiliary systems. The metric sizing ensures compatibility across various industries.

Perfect Fit for Automation: 21317 EW Bearing
21317 EW Bearing is ideal for robotic arms and automated production lines, where its smooth operation and high-speed capability enhance performance. The lubrication groove design ensures consistent performance even under constant use.

Q&A

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