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TS (Single Row Tapered Roller Bearings) (Imperial) 31597-31521

TS (Single Row Tapered Roller Bearings) (Imperial) 31597-31521

The 31597-31521 is a single-row tapered roller bearing with a 1.4375″ bore and 3″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 21300 lbf radially and 3800 lbf thrust, making it versatile for various 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, suitable for demanding environments.

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

Weighing 1.3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 31597-31521
  • Brand TFL
  • Interchangeable Timken
  • Size 1.4375" x 3" x 1.1563"
  • Bore Dia 1.4375"
  • 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 1.75"
  • Cone Backface Backing Diameter 2.01"
  • 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 31597
  • 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 1.3 lb

Features

Performance Features of 31597-31521 Bearing

31597-31521 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 various applications.

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 diverse environments.

31597-31521 Bearing requires lubrication, but its robust design minimises maintenance needs.
The standard radial clearance allows for smooth operation under different conditions.

Application

Industrial Uses of 31597-31521 Bearing
31597-31521 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 31597-31521 Bearing Used?
You’ll often find 31597-31521 Bearing in automotive axles and gearboxes, thanks to its ability to manage both radial and thrust loads. Its inch sizing makes it a go-to choice for American-made vehicles.

Built for Heavy-Duty Use: 31597-31521 Bearing
31597-31521 Bearing excels in industrial fans and pumps, where its open design allows for easy lubrication. The steel cage adds extra strength, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 31597-31521 Bearing
In automotive settings, 31597-31521 Bearing supports drivetrains, while in aerospace, it’s used in auxiliary systems. Its ABEC-1 rating ensures consistent performance across different applications.

Perfect Fit for Automation: 31597-31521 Bearing
31597-31521 Bearing works well in conveyor systems and robotic arms, where precision and load capacity are key. The standard radial clearance offers flexibility for various operational needs.

Q&A

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