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21317 CJ Double Row Spherical Roller Bearing

21317 CJ Double Row Spherical Roller Bearing

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

Its open design allows for easy lubrication, with a 6mm groove and 3mm holes for efficient maintenance. The steel cage ensures durability, while the spherical rollers accommodate misalignment.

This bearing works in temperatures from -30°C to 200°C, making it suitable for harsh environments. It’s interchangeable with SKF models, ideal for heavy machinery like conveyors or crushers.

Weighing 5.35kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for industrial applications.

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Product Parameters

  • Part Number 21317 CJ
  • 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 CJ Bearing

21317 CJ 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 the service life even under challenging conditions.

With a maximum speed of 5,300 rpm, 21317 CJ Bearing balances high performance and efficiency.
The steel cage maintains roller alignment, ensuring smooth operation and reduced wear.

21317 CJ Bearing operates in temperatures from -30° to 200°C, suitable for various industrial environments.
Its open design simplifies lubrication, making maintenance straightforward and cost-effective.

Application

Industrial Uses of 21317 CJ Bearing
The 21317 CJ Bearing is commonly used in heavy machinery like crushers and vibrating screens, where its double-row spherical design handles misalignment and heavy radial loads.
Its chrome steel construction ensures durability in harsh environments, making it a reliable choice for mining and construction equipment.

Where Is 21317 CJ Bearing Used?
You’ll often find 21317 CJ Bearing in gearboxes and industrial fans, where its high dynamic load capacity supports continuous operation.
The open design allows for easy lubrication, which is essential for maintaining performance in high-speed applications.

Built for Heavy-Duty Use: 21317 CJ Bearing
21317 CJ Bearing excels in paper mills and steel plants, where combined loads and high temperatures are common.
The steel cage provides stability, while the spherical rollers accommodate shaft deflections without compromising efficiency.

Automotive vs Aerospace: Applications of 21317 CJ Bearing
In automotive systems, 21317 CJ Bearing is used in drivetrains, handling both radial and axial loads smoothly.
For aerospace, its high-temperature tolerance makes it suitable for auxiliary power units, though its weight may limit some applications.

Practical Applications of 21317 CJ Bearing
21317 CJ Bearing is a go-to for conveyor systems in food processing plants, where its easy maintenance and robust design reduce downtime.
The metric sizing ensures compatibility with a wide range of European machinery, simplifying replacements.

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