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TS (Single Row Tapered Roller Bearings) (Imperial) 45285A-45221

TS (Single Row Tapered Roller Bearings) (Imperial) 45285A-45221

The 45285A-45221 is a single-row tapered roller bearing with a 2″ 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 2.7 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 45285A-45221
  • Brand TFL
  • Interchangeable Timken
  • Size 2" x 4.125" x 1.1875"
  • Bore Dia 2"
  • 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 2.32"
  • Cone Backface Backing Diameter 2.36"
  • 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 45285A
  • 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 2.700 lb

Features

How Is 45285A-45221 Bearing Engineered for Reliability?

45285A-45221 Bearing features chrome steel rings and rollers, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 34,500 lbf, making it suitable for heavy-duty applications.

The tapered roller design provides effective load distribution, reducing stress on individual components.
With a standard radial clearance, it offers reliable performance in various operating conditions.

45285A-45221 Bearing operates within a temperature range of -30° to 110°C, adapting to diverse environments.
The steel cage maintains roller alignment, enhancing stability and prolonging service life.

Designed for easy lubrication, 45285A-45221 Bearing simplifies maintenance while ensuring smooth operation.
Its ABEC-1 rating guarantees consistent precision for industrial and automotive uses.

Application

Industrial Uses of 45285A-45221 Bearing
The 45285A-45221 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough working conditions.

In automotive applications, 45285A-45221 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it a straightforward choice for North American vehicle designs.

For industrial conveyor systems, 45285A-45221 Bearing’s open design simplifies maintenance while its high dynamic load capacity keeps operations smooth. The steel cage adds extra resilience in high-speed scenarios.

Where Is 45285A-45221 Bearing Used?
You’ll often find 45285A-45221 Bearing in mining equipment, where its ability to handle radial and thrust loads is crucial. The standard radial clearance offers flexibility for different operational needs.

In power transmission systems, 45285A-45221 Bearing supports shafts and gears, ensuring stable rotation. Its ABEC-1 rating provides a balance of precision and affordability for general industrial use.

Built for Heavy-Duty Use: 45285A-45221 Bearing
The 45285A-45221 Bearing excels in forestry machinery, withstanding shock loads and harsh environments. Its tapered rollers distribute stress evenly, extending service life.

For railway applications, 45285A-45221 Bearing’s robust design handles constant vibration and heavy loads. The inch measurements make it compatible with older rolling stock still using imperial standards.

Automotive vs Aerospace: Applications of 45285A-45221 Bearing
In automotive settings, 45285A-45221 Bearing is ideal for truck axles, offering reliable performance under heavy loads. The chrome steel components resist wear over long distances.

For aerospace ground equipment, 45285A-45221 Bearing provides dependable support in maintenance tools and cargo loaders. Its temperature range suits both indoor and outdoor use.

Q&A

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