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TS (Single Row Tapered Roller Bearings) (Imperial) 45289-45221

TS (Single Row Tapered Roller Bearings) (Imperial) 45289-45221

The 45289-45221 is a single-row tapered roller bearing with a 2.25″ bore and 4.125″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 34500 lbf radially and 5090 lbf in 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 sustainable use.

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Product Parameters

  • Part Number 45289-45221
  • 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 0.03"
  • Cone Frontface Backing Diameter 2.56"
  • Cone Backface Backing Diameter 2.56"
  • Cup Frontface Backing Diameter 3.94"
  • Cup Backface Backing Diameter 3.74"
  • 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 45221
  • 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

Why Choose 45289-45221 Bearing for Precision Tasks?

45289-45221 Bearing features a single row tapered roller design, ideal for handling combined loads with precision.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.
The bearing’s dynamic radial load capacity reaches 34,500 lbf, providing reliable performance under stress.
With a standard radial clearance option, it offers flexibility for various industrial needs.

How Is 45289-45221 Bearing Engineered for Reliability?

45289-45221 Bearing is built with chrome steel rollers and rings, enhancing its strength and longevity.
The steel cage maintains proper roller alignment, reducing friction and improving efficiency.
Its dynamic thrust rating of 5,090 lbf ensures consistent performance in heavy-duty applications.
The bearing operates within a temperature range of -30° to 110°C, suitable for diverse environments.

Built for Durability: 45289-45221 Bearing

45289-45221 Bearing’s tapered roller design excels in handling both radial and thrust loads effectively.
The chrome steel materials resist wear, extending the bearing’s service life in tough conditions.
With a static radial load capacity of 42,600 lbf, it provides dependable support for heavy machinery.
Its ABEC-1 rating ensures sufficient precision for most industrial applications.

Application

Industrial Uses of 45289-45221 Bearing
The 45289-45221 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 45289-45221 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it a straightforward replacement for many North American vehicle models.

For industrial conveyor systems, 45289-45221 Bearing’s open design allows for easy lubrication, extending service life in high-load scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

What Makes 45289-45221 Bearing a Preferred Choice?
45289-45221 Bearing stands out in applications requiring precise radial and thrust load management, such as gearboxes and power transmission systems. Its standard radial clearance offers flexibility for different operational needs.

The bearing’s compatibility with Timken models makes it a cost-effective option for maintenance and repairs. Its temperature range of -30° to 110°C ensures performance in diverse environments, from cold storage to heated industrial settings.

Built for Heavy-Duty Use: 45289-45221 Bearing
45289-45221 Bearing excels in mining and forestry equipment, where its robust design withstands extreme loads and harsh conditions. The tapered rollers distribute stress evenly, reducing wear over time.

In manufacturing plants, this bearing supports machinery like presses and rollers, ensuring smooth operation. Its ABEC-1 rating provides sufficient precision for most industrial applications without unnecessary cost.

Q&A

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