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TS (Single Row Tapered Roller Bearings) (Imperial) 45284-45221

TS (Single Row Tapered Roller Bearings) (Imperial) 45284-45221

The 45284-45221 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 in thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for demanding environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery, automotive systems, or any equipment requiring robust load support.

Weighing 2.6 lb, it’s a solid choice for applications needing long-lasting performance. Compliant with RoHS and REACH standards, it’s safe and dependable.

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Product Parameters

  • Part Number 45284-45221
  • 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 0.25"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.32"
  • Cone Backface Backing Diameter 2.8"
  • 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 45284
  • 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 2.6 lb

Features

Performance Features of 45284-45221 Bearing

45284-45221 Bearing is constructed 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 demanding conditions.
The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 45284-45221 Bearing Engineered for Reliability?

45284-45221 Bearing features precise tapered roller design, optimised for smooth operation under heavy loads.
The chrome steel construction enhances durability while the standard radial clearance ensures consistent performance.
Its effective centre location of -0.32″ provides stability during operation.
This bearing meets ABEC-1 standards, balancing precision and cost-effectiveness.

Built for Durability: 45284-45221 Bearing

45284-45221 Bearing’s single row tapered design efficiently handles both radial and thrust loads.
The steel cage and chrome steel components work together to minimise wear over time.
With a static radial load capacity of 42,600 lbf, it’s suitable for heavy-duty applications.
Its standard lubrication requirement ensures easy maintenance and long service life.

Application

Industrial Uses of 45284-45221 Bearing
The 45284-45221 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 even in demanding environments.

Where Is 45284-45221 Bearing Used?
You’ll often find 45284-45221 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a straightforward fit for many American-made vehicles.

Built for Heavy-Duty Use: 45284-45221 Bearing
This bearing excels in industrial settings like conveyor systems, where its high dynamic radial load capacity keeps operations running smoothly. The open design allows for easy lubrication and maintenance.

Automotive vs Aerospace: Applications of 45284-45221 Bearing
In automotive systems, 45284-45221 Bearing supports wheel assemblies, while its precision makes it suitable for certain aerospace components. The steel cage adds extra strength for high-stress scenarios.

Perfect Fit for Automation: 45284-45221 Bearing
For automated machinery, 45284-45221 Bearing offers reliable performance in robotic arms and assembly lines. Its standard radial clearance ensures consistent operation without frequent adjustments.

Q&A

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