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TS (Single Row Tapered Roller Bearings) (Imperial) 45289-45220

TS (Single Row Tapered Roller Bearings) (Imperial) 45289-45220

The 45289-45220 is a single-row tapered roller bearing with a 2.25″ bore and 4.125″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 34500 lbf radially and 5090 lbf thrust, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. 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 industrial machinery or automotive systems where combined loads are common.

Weighing 2.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 45289-45220
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 4.125" x 1.1875"
  • Bore Dia 2.25"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.2188"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.56"
  • Cone Backface Backing Diameter 2.56"
  • Cup Frontface Backing Diameter 3.94"
  • Cup Backface Backing Diameter 3.66"
  • Cage Cone Frontface Clearance 0.1"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.32"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 45289
  • Cup Part Number 45220
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 45200
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 34500 lbf
  • Static Radial Load 42600 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 8930 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5090 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 2.4 lb

Features

Performance Features of 45289-45220 Bearing

45289-45220 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 34,500 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 environmental conditions.

How Is 45289-45220 Bearing Engineered for Reliability?

45289-45220 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 5,090 lbf (Ca90) makes it suitable for demanding industrial uses.
The open seal type allows for easy lubrication, maintaining performance over time.

Built for Durability: 45289-45220 Bearing

45289-45220 Bearing’s tapered roller design efficiently distributes loads, reducing stress on components.
The steel cage and chrome steel rollers enhance wear resistance, prolonging service life.
With a static radial load capacity of 42,600 lbf, it handles high-stress applications with ease.
Its ABEC-1 rating ensures consistent precision in various operational conditions.

Steel vs Ceramic Bearings: Strengths of 45289-45220 Bearing

45289-45220 Bearing uses chrome steel for both rollers and rings, balancing cost and performance.
This material choice provides excellent strength and wear resistance in industrial settings.
The bearing’s dynamic radial rating (C90) of 8,930 lbf ensures long-term reliability.
Its standard radial clearance option allows for flexibility in different applications.

Application

Industrial Uses of 45289-45220 Bearing
The 45289-45220 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 45289-45220 Bearing fits well in wheel hubs and drivetrains, providing reliable performance under varying loads. The imperial sizing makes it a convenient choice for North American vehicle models.

For industrial conveyor systems, 45289-45220 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds stability, reducing wear over time.

Where Is 45289-45220 Bearing Used?
You’ll often find 45289-45220 Bearing in agricultural machinery, where its robust design handles rough conditions. The tapered rollers distribute loads evenly, preventing premature failure.

In mining equipment, 45289-45220 Bearing’s high dynamic radial load capacity makes it suitable for heavy-duty applications. Its standard radial clearance ensures smooth operation even under stress.

Built for Heavy-Duty Use: 45289-45220 Bearing
The 45289-45220 Bearing excels in forestry machinery, where its combined load capability is essential. The chrome steel rollers resist wear, even in dusty or wet conditions.

For railway applications, 45289-45220 Bearing’s temperature range and lubrication requirements make it a dependable choice. Its ABEC-1 rating ensures consistent performance in varied climates.

Automotive vs Aerospace: Applications of 45289-45220 Bearing
In automotive systems, 45289-45220 Bearing supports wheel assemblies, offering stability at high speeds. Its imperial measurements align with standard US automotive designs.

While not typically used in aerospace, 45289-45220 Bearing’s precision makes it suitable for ground support equipment. The steel cage and chrome steel rollers provide long-lasting performance.

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