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TS (Single Row Tapered Roller Bearings) (Imperial) 28579-28520

TS (Single Row Tapered Roller Bearings) (Imperial) 28579-28520

The 28579-28520 is a single-row tapered roller bearing with a 1.968″ bore and 3.5425″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 22200 lbf radially and 3720 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 1.5 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 28579-28520
  • Brand TFL
  • Interchangeable Timken
  • Size 1.968" x 3.5425" x 0.9744"
  • Bore Dia 1.968"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.5425"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.7869"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.9744"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 2.2"
  • Cone Backface Backing Diameter 2.36"
  • Cup Frontface Backing Diameter 3.40"
  • Cup Backface Backing Diameter 3.19"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.19"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 28579
  • Cup Part Number 28520
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 28500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 22200 lbf
  • Static Radial Load 29200 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5770 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3720 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 1.500 lb

Features

Performance Features of 28579-28520 Bearing

28579-28520 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 22,200 lbf, ensuring reliable performance in demanding conditions.
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 various environments.

How Is 28579-28520 Bearing Engineered for Reliability?

28579-28520 Bearing features a single-row tapered roller design, ideal for handling combined loads.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 3,720 lbf makes it suitable for high-load applications.
The open seal type allows for easy lubrication, maintaining optimal performance.

Built for Durability: 28579-28520 Bearing

28579-28520 Bearing’s chrome steel rollers and rings enhance its wear resistance.
The effective center location of -0.19″ ensures precise alignment in various applications.
With a static radial load capacity of 29,200 lbf, it handles heavy loads effortlessly.
The steel cage design minimises roller misalignment, promoting longer bearing life.

Steel vs Ceramic Bearings: Strengths of 28579-28520 Bearing

28579-28520 Bearing uses chrome steel for both rollers and rings, providing excellent strength.
Its dynamic radial rating of 5,770 lbf at 90 million revolutions ensures long-term reliability.
The tapered roller design efficiently manages combined loads in industrial applications.
With ABEC-1 precision, it balances performance and cost-effectiveness.

Application

Industrial Uses of 28579-28520 Bearing
28579-28520 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The open seal type allows for easy lubrication, ensuring long service life in dusty environments.

In automotive applications, 28579-28520 Bearing fits well in wheel hubs and differential systems, thanks to its precise inch measurements and robust chrome steel construction. Its compatibility with Timken models makes it a reliable choice for repairs and replacements.

For industrial conveyor systems, 28579-28520 Bearing’s high dynamic radial load capacity ensures smooth operation under constant stress. The steel cage adds durability, making it suitable for high-speed production lines.

Where Is 28579-28520 Bearing Used?
You’ll often find 28579-28520 Bearing in mining equipment, where its ability to handle heavy radial and thrust loads is crucial. The standard radial clearance option provides flexibility for different operating conditions.

In power transmission systems, 28579-28520 Bearing supports shafts and gears, offering stable performance even under varying loads. Its ABEC-1 rating ensures consistent quality for general industrial use.

Built for Heavy-Duty Use: 28579-28520 Bearing
28579-28520 Bearing excels in forestry machinery, where its tapered rollers manage uneven loads and shocks. The chrome steel rollers and rings resist wear, reducing maintenance needs.

For railway applications, 28579-28520 Bearing’s temperature range and lubrication requirements make it suitable for both freight and passenger carriages. Its imperial sizing aligns with North American standards.

Automotive vs Aerospace: Applications of 28579-28520 Bearing
In automotive settings, 28579-28520 Bearing is ideal for drivetrain components, balancing cost and performance. Its static radial load capacity ensures reliability in stop-start conditions.

For aerospace ground equipment, 28579-28520 Bearing’s standard radial clearance and lubrication needs fit well with maintenance schedules. The steel cage handles moderate speeds without compromising durability.

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