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TS (Single Row Tapered Roller Bearings) (Imperial) 2790-2731

TS (Single Row Tapered Roller Bearings) (Imperial) 2790-2731

The 2790-2731 is a single-row tapered roller bearing with a 1.3125″ bore and 3.125″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 19500 lbf radially and 2630 lbf thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

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

Weighing 1.3 lb, it balances strength and portability. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 2790-2731
  • Brand TFL
  • Interchangeable Timken
  • Size 1.3125" x 3.125" x 0.9361"
  • Bore Dia 1.3125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.01"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.75"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.9361"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.57"
  • Cone Backface Backing Diameter 1.65"
  • Cup Frontface Backing Diameter 2.87"
  • Cup Backface Backing Diameter 2.64"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.32"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 2790
  • Cup Part Number 2731
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 2700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 19500 lbf
  • Static Radial Load 23000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5060 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2630 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 2790-2731 Bearing

2790-2731 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 19,500 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.

2790-2731 Bearing requires lubrication, but its robust design minimises maintenance needs.
The standard radial clearance option provides flexibility for different operational requirements.

Application

Industrial Uses of 2790-2731 Bearing
2790-2731 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 in tough working conditions.

In automotive applications, 2790-2731 Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. Its imperial sizing makes it a preferred choice for North American vehicle models.

For industrial conveyor systems, 2790-2731 Bearing’s open design allows for easy lubrication, extending service life in high-load scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 2790-2731 Bearing Used?
You’ll often find 2790-2731 Bearing in agricultural machinery, where its robust design handles dusty and high-vibration environments. The standard radial clearance ensures smooth operation even under uneven loads.

In mining equipment, 2790-2731 Bearing’s ability to manage heavy radial and thrust loads makes it ideal for crushers and screens. The ABEC-1 rating provides a good balance of precision and cost-effectiveness.

Built for Heavy-Duty Use: 2790-2731 Bearing
2790-2731 Bearing excels in forestry equipment, where its tapered rollers distribute loads evenly. The chrome steel rollers resist wear, even in abrasive conditions.

For railway applications, 2790-2731 Bearing’s effective center location helps maintain alignment in bogies and axles. The dynamic radial load capacity ensures long-term reliability.

Automotive vs Aerospace: Applications of 2790-2731 Bearing
In automotive systems, 2790-2731 Bearing is often used in drivetrains, where its combined load capacity is essential. The imperial sizing simplifies replacements in older vehicles.

For aerospace ground support equipment, 2790-2731 Bearing’s temperature range suits outdoor operations. However, its ABEC-1 rating makes it less suitable for high-precision flight components.

Q&A

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