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TS (Single Row Tapered Roller Bearings) (Imperial) 31590-31520

TS (Single Row Tapered Roller Bearings) (Imperial) 31590-31520

The 31590-31520 is a single-row tapered roller bearing with a 1.3125″ 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 simplifies lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging from -30°C to 110°C, suitable for demanding environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for machinery like gearboxes or axles where combined loads are common.

Weighing 1.4 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 31590-31520
  • Brand TFL
  • Interchangeable Timken
  • Size 1.3125" x 3" x 1.1563"
  • Bore Dia 1.3125"
  • 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 0.03"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.67"
  • Cone Backface Backing Diameter 1.69"
  • Cup Frontface Backing Diameter 2.87"
  • Cup Backface Backing Diameter 2.52"
  • 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 31590
  • Cup Part Number 31520
  • 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 31590-31520 Bearing

31590-31520 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 tapered roller design of 31590-31520 Bearing ensures smooth operation under heavy loads.
With a temperature range of -30° to 110°C, it performs well in diverse working conditions.

31590-31520 Bearing’s steel cage keeps the rollers aligned, reducing wear and extending service life.
Its standard radial clearance allows for flexibility in different operational setups.

The open seal design of 31590-31520 Bearing simplifies maintenance and lubrication.
Weighing just 1.400 lb, it balances durability and ease of handling.

Application

Industrial Uses of 31590-31520 Bearing
31590-31520 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in demanding environments.
In automotive applications, 31590-31520 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it compatible with many North American vehicle models.
For industrial conveyor systems, 31590-31520 Bearing’s open design allows for easy lubrication, extending service life in high-use scenarios. The steel cage adds extra strength to withstand continuous operation.

Where Is 31590-31520 Bearing Used?
You’ll often find 31590-31520 Bearing in agricultural machinery, supporting components like gearboxes and PTO shafts. Its robust design handles the rough conditions typical in farming.
In mining equipment, 31590-31520 Bearing’s ability to manage heavy loads makes it ideal for crushers and screens. The standard radial clearance ensures smooth operation even with thermal expansion.

Built for Heavy-Duty Use: 31590-31520 Bearing
31590-31520 Bearing excels in forestry equipment, where its tapered rollers distribute loads evenly across the bearing surfaces. The chrome steel rollers resist wear from constant vibration and shock.
For railway applications, 31590-31520 Bearing’s ABEC-1 rating provides sufficient precision for axle boxes. The steel cage keeps rollers aligned, even during high-speed travel.

Automotive vs Aerospace: Applications of 31590-31520 Bearing
In automotive drivetrains, 31590-31520 Bearing handles the combined loads of gears and shafts, thanks to its tapered roller design. The inch measurements simplify replacements in older vehicles.
For aerospace ground equipment, 31590-31520 Bearing supports heavy loads in aircraft tugs and loading systems. Its temperature range suits both indoor hangars and outdoor operations.

Key Fields for 31590-31520 Bearing
31590-31520 Bearing is a go-to choice for industrial pumps, where its single-row design saves space while maintaining load capacity. The open seal type allows for custom lubrication as needed.
In material handling equipment, 31590-31520 Bearing’s dynamic radial load rating ensures reliability in cranes and forklifts. The standard radial clearance accommodates slight misalignments during operation.

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