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

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

The 2789A-2729X is a single-row tapered roller bearing with a 1.5625″ bore and 3″ 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 for 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 just 1.1 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use.

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Product Parameters

  • Part Number 2789A-2729X
  • 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 0.06"
  • Cone Frontface Backing Diameter 1.81"
  • Cone Backface Backing Diameter 1.95"
  • Cup Frontface Backing Diameter 2.80"
  • 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 2789A
  • Cup Part Number 2729X
  • 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-2729X Bearing

2789A-2729X 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 operational life.
With a temperature range of -30° to 110°C, it performs well in diverse environments.

2789A-2729X Bearing requires lubrication, which enhances its durability and smooth operation.
The standard radial clearance allows for flexibility in different installation scenarios.

Application

Industrial Uses of 2789A-2729X Bearing
2789A-2729X 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.
In automotive applications, 2789A-2729X Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a preferred choice for North American vehicle models.

Where Is 2789A-2729X Bearing Used?
You’ll often find 2789A-2729X Bearing in agricultural machinery, such as tractors and harvesters, where its robust design withstands rough conditions. The open seal type allows for easy lubrication, extending its service life.
For industrial gearboxes, 2789A-2729X Bearing offers smooth operation thanks to its precise taper roller alignment. The steel cage adds extra strength, making it suitable for high-load scenarios.

Built for Heavy-Duty Use: 2789A-2729X Bearing
2789A-2729X Bearing excels in mining equipment, where its ability to handle radial and thrust loads is crucial. The standard radial clearance ensures consistent performance under heavy stress.
In conveyor systems, 2789A-2729X Bearing reduces friction, improving efficiency and longevity. Its compatibility with Timken models makes it a versatile replacement option.

Automotive vs Aerospace: Applications of 2789A-2729X Bearing
In automotive settings, 2789A-2729X Bearing is ideal for drivetrain components, offering reliable load distribution. The ABEC-1 rating ensures sufficient precision for most vehicle applications.
For aerospace ground support equipment, 2789A-2729X Bearing provides dependable performance in load-handling systems. Its temperature range suits both indoor and outdoor operational needs.

Q&A

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