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TS (Single Row Tapered Roller Bearings) (Imperial) 2789A-2729

TS (Single Row Tapered Roller Bearings) (Imperial) 2789A-2729

The 2789A-2729 is a single-row tapered roller bearing with a 1.5625″ bore and 3″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 19500 lbf radially and 2630 lbf thrust, suitable for demanding applications.

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

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

Weighing just 1.1 lb, it balances strength and portability. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 2789A-2729
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5625" x 3" x 0.9361"
  • Bore Dia 1.5625"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3"
  • 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 0.03"
  • Cone Frontface Backing Diameter 1.81"
  • Cone Backface Backing Diameter 1.95"
  • Cup Frontface Backing Diameter 2.80"
  • Cup Backface Backing Diameter 2.68"
  • 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 2789A
  • Cup Part Number 2729
  • 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 1.1 lb

Features

Performance Features of 2789A-2729 Bearing

2789A-2729 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 demanding conditions.
The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 2789A-2729 Bearing Engineered for Reliability?

2789A-2729 Bearing features a single-row tapered roller design, optimised for combined load applications.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 2,630 lbf at 90 million revolutions highlights its long-lasting performance.
The open design allows for easy lubrication, maintaining efficiency over time.

Built for Durability: 2789A-2729 Bearing

2789A-2729 Bearing’s chrome steel components resist wear, even under heavy radial and thrust loads.
The precise cone and cup dimensions ensure proper fit and alignment, reducing operational stress.
With a static radial load capacity of 23,000 lbf, it handles demanding industrial applications.
The ABEC-1 rating confirms its consistent performance in standard precision requirements.

Application

Industrial Uses of 2789A-2729 Bearing
2789A-2729 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.
In automotive applications, 2789A-2729 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a straightforward replacement for Timken equivalents in older vehicles.
For industrial conveyor systems, 2789A-2729 Bearing’s open design simplifies lubrication and maintenance, extending service life. The standard radial clearance offers flexibility for different operational needs.

Where Is 2789A-2729 Bearing Used?
2789A-2729 Bearing excels in mining equipment, where its robust design withstands high radial and thrust loads. The steel cage adds stability during prolonged use.
You’ll also find 2789A-2729 Bearing in railway applications, supporting axles and gearboxes with consistent performance. Its ABEC-1 rating ensures reliable precision for these critical systems.

Built for Heavy-Duty Use: 2789A-2729 Bearing
2789A-2729 Bearing is ideal for forestry machinery, handling rough terrain and heavy loads effortlessly. The tapered rollers distribute stress evenly, reducing wear.
In material handling equipment, 2789A-2729 Bearing’s chrome steel rollers provide smooth operation under constant use. Its compatibility with Timken parts simplifies sourcing for repairs.

Automotive vs Aerospace: Applications of 2789A-2729 Bearing
In automotive settings, 2789A-2729 Bearing supports drivetrain components, offering a balance of strength and precision. The inch measurements align with many classic car designs.
For aerospace ground equipment, 2789A-2729 Bearing’s temperature tolerance makes it suitable for auxiliary systems. However, its ABEC-1 rating limits use in high-speed flight components.

Practical Applications of 2789A-2729 Bearing
2789A-2729 Bearing works well in pump systems, where its tapered rollers manage axial and radial forces. The open design allows for easy relubrication during maintenance.
In industrial fans, 2789A-2729 Bearing’s dynamic load capacity ensures long-term reliability. The standard radial clearance adapts to thermal expansion in varied operating conditions.

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