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TS (Single Row Tapered Roller Bearings) (Imperial) 31593-31521

TS (Single Row Tapered Roller Bearings) (Imperial) 31593-31521

The 31593-31521 is a single-row tapered roller bearing with a 1.375″ bore and 3″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 21300 lbf radially and 3800 lbf thrust, suitable for demanding applications.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various conditions.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 1.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, ensuring safe and eco-friendly use.

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Product Parameters

  • Part Number 31593-31521
  • Brand TFL
  • Interchangeable Timken
  • Size 1.375" x 3" x 1.1563"
  • Bore Dia 1.375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1563"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.050"
  • Cone Frontface Backing Diameter 1.71"
  • Cone Backface Backing Diameter 1.97"
  • Cup Frontface Backing Diameter 2.87"
  • Cup Backface Backing Diameter 2.60"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.3"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 31593
  • Cup Part Number 31521
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 31500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 21300 lbf
  • Static Radial Load 24100 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5520 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3800 lbf
  • Lubrication Required
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant
  • Weight 1.400 lb

Features

Performance Features of 31593-31521 Bearing

31593-31521 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 21,300 lbf, ensuring reliable performance in demanding conditions.

The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

31593-31521 Bearing’s standard radial clearance allows for smooth operation under different load conditions.
Its tapered roller design efficiently handles both radial and thrust loads.

Application

Industrial Uses of 31593-31521 Bearing
31593-31521 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is 31593-31521 Bearing Used?
You’ll often find 31593-31521 Bearing in automotive axles and wheel hubs, providing reliable performance under both radial and thrust loads. Its imperial sizing makes it a good fit for American-made vehicles.

Built for Heavy-Duty Use: 31593-31521 Bearing
31593-31521 Bearing excels in industrial fans and pumps, where its open design allows for easy lubrication and maintenance. The steel cage adds extra strength, making it suitable for high-load applications.

Automotive vs Aerospace: Applications of 31593-31521 Bearing
In automotive systems, 31593-31521 Bearing supports drivetrain components, while in aerospace, it’s used in auxiliary equipment due to its precise load handling. The temperature range ensures performance in varied environments.

Key Fields for 31593-31521 Bearing
31593-31521 Bearing is ideal for conveyor systems and gearboxes, where its tapered rollers manage heavy loads smoothly. The ABEC-1 rating balances precision and cost for industrial applications.

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