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TS (Single Row Tapered Roller Bearings) (Imperial) 28579-28521

TS (Single Row Tapered Roller Bearings) (Imperial) 28579-28521

The 28579-28521 is a single-row tapered roller bearing with a 1.968″ bore and 3.625″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 22200 lbf radially and 3720 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, making it a practical choice for replacements. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 1.6 lb, it offers a sturdy build without excessive bulk. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number 28579-28521
  • Brand TFL
  • Interchangeable Timken
  • Size 1.968" x 3.625" x 0.9688"
  • Bore Dia 1.968"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.625"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.7813"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.9688"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.2"
  • Cone Backface Backing Diameter 2.36"
  • Cup Frontface Backing Diameter 3.46"
  • Cup Backface Backing Diameter 3.27"
  • 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 28521
  • 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 1.6 lb

Features

Why Choose 28579-28521 Bearing for Precision Tasks?

28579-28521 Bearing is crafted from chrome steel, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 22,200 lbf, making it suitable for demanding applications.
The tapered roller design ensures smooth operation and efficient load distribution.
With a standard radial clearance, it provides reliable performance in various conditions.

How Is 28579-28521 Bearing Engineered for Reliability?

28579-28521 Bearing features a single-row tapered roller design for enhanced durability.
The chrome steel construction resists wear, ensuring a longer service life.
Its dynamic thrust rating of 3,720 lbf makes it ideal for high-load scenarios.
The steel cage maintains roller alignment, reducing friction and noise.

Built for Durability: 28579-28521 Bearing

28579-28521 Bearing is designed to withstand heavy radial and thrust loads.
The chrome steel rollers and rings provide excellent strength and wear resistance.
With a temperature range of -30° to 110°C, it performs well in various environments.
The open design allows for easy lubrication, ensuring smooth operation over time.

Application

Industrial Uses of 28579-28521 Bearing
28579-28521 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, 28579-28521 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a straightforward replacement for many North American vehicle models.

For industrial conveyor systems, 28579-28521 Bearing’s open design simplifies lubrication and maintenance. The steel cage adds strength, making it suitable for continuous operation in factories.

Where Is 28579-28521 Bearing Used?
28579-28521 Bearing finds its place in agricultural machinery, particularly in gearboxes and PTO shafts. Its robust design handles the rough conditions typical in farming operations.

The bearing also works well in mining equipment, where its ability to manage radial and thrust loads is crucial. The standard radial clearance offers flexibility for different operational needs.

Built for Heavy-Duty Use: 28579-28521 Bearing
28579-28521 Bearing is ideal for forestry equipment like log splitters and sawmills. Its tapered rollers distribute loads evenly, reducing wear over time.

In material handling systems, this bearing’s compatibility with Timken models makes it a versatile choice. The inch measurements ensure easy integration into existing setups.

Automotive vs Aerospace: Applications of 28579-28521 Bearing
In automotive settings, 28579-28521 Bearing supports drivetrain components, offering smooth performance under stress. Its ABEC-1 rating balances precision and cost-effectiveness.

For aerospace ground equipment, this bearing’s temperature range suits various climates. However, its primary strength remains in heavy industrial and automotive uses.

Q&A

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