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TS (Single Row Tapered Roller Bearings) (Imperial) 2783-2731

TS (Single Row Tapered Roller Bearings) (Imperial) 2783-2731

The 2783-2731 is a single-row tapered roller bearing with a 1.25″ bore and 3.125″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 19500 lbf radially and 2630 lbf thrust-wise, suitable for moderate-speed 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, making it a practical choice for replacements. Ideal for industrial machinery or automotive applications where combined loads are common.

Weighing 1.4 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it meets essential safety and environmental requirements.

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Product Parameters

  • Part Number 2783-2731
  • Brand TFL
  • Interchangeable Timken
  • Size 1.25" x 3.125" x 0.9361"
  • Bore Dia 1.25"
  • 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 1.52"
  • Cone Backface Backing Diameter 1.61"
  • 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 2783
  • 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 1.400 lb

Features

Performance Features of 2783-2731 Bearing

2783-2731 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 heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Does 2783-2731 Bearing Reduce Friction?

2783-2731 Bearing’s tapered roller design minimises friction, promoting smooth operation under combined loads.
The chrome steel construction enhances durability, while the steel cage ensures proper roller spacing.
Its dynamic thrust rating of 2,630 lbf at 90 million revolutions highlights its efficiency.
This design also supports standard radial clearance, accommodating different operational needs.

Engineered for Precision: 2783-2731 Bearing

2783-2731 Bearing features precise dimensions, with a bore dia tolerance of +0.005″ to 0.
Its effective centre location of -0.32″ ensures accurate alignment in assemblies.
The ABEC-1 rating confirms its suitability for applications requiring consistent performance.
Open seal type allows for easy lubrication, maintaining smooth operation over time.

Steel vs Ceramic Bearings: Strengths of 2783-2731 Bearing

2783-2731 Bearing uses chrome steel for both rings and rollers, balancing strength and cost-effectiveness.
This material choice provides excellent resistance to wear and fatigue under heavy loads.
Standard radial clearance options offer flexibility for different installation requirements.
The bearing’s construction ensures reliable performance in a wide temperature range.

Application

Industrial Uses of 2783-2731 Bearing
2783-2731 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is 2783-2731 Bearing Used?
You’ll often find 2783-2731 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a straightforward fit for many American and British vehicle models.

Built for Heavy-Duty Use: 2783-2731 Bearing
2783-2731 Bearing excels in industrial settings like conveyor systems, 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 2783-2731 Bearing
In automotive systems, 2783-2731 Bearing supports high radial loads in drivetrains, while its precision makes it suitable for aerospace landing gear components. The temperature range ensures performance in varied conditions.

Essential Roles of 2783-2731 Bearing
2783-2731 Bearing is a go-to choice for mining equipment, thanks to its robust design and ability to handle heavy loads. The standard radial clearance offers flexibility for different operational needs.

Q&A

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