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TS (Single Row Tapered Roller Bearings) (Imperial) 45290-45220

TS (Single Row Tapered Roller Bearings) (Imperial) 45290-45220

The 45290-45220 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 thrust, making it a versatile choice for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. 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 use in industrial machinery, automotive systems, or construction equipment where robust performance is needed.

Weighing 2.4 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 45290-45220
  • 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 0.09"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.56"
  • Cone Backface Backing Diameter 2.68"
  • 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 45290
  • 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 45290-45220 Bearing

45290-45220 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 34,500 lbf, making it suitable for heavy-duty applications.

The tapered roller design ensures smooth operation and efficient load distribution.
With a standard radial clearance, it provides reliable performance in various conditions.

45290-45220 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
The steel cage maintains roller alignment, reducing wear and extending service life.

This bearing requires regular lubrication to maintain optimal performance.
Its ABEC-1 rating ensures consistent precision for industrial applications.

Application

Industrial Uses of 45290-45220 Bearing
45290-45220 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability under tough working conditions.

In automotive applications, 45290-45220 Bearing fits well in wheel hubs and differential systems, providing reliable performance. Its imperial sizing makes it a straightforward replacement for Timken bearings in older vehicles.

For industrial fans and pumps, 45290-45220 Bearing offers smooth operation thanks to its standard radial clearance. The open design allows for easy lubrication, extending service life in high-temperature environments.

Where Is 45290-45220 Bearing Used?
You’ll often find 45290-45220 Bearing in agricultural machinery, particularly in gearboxes and drivetrains. Its robust steel cage can withstand the vibrations and shocks common in farming equipment.

In conveyor systems, 45290-45220 Bearing’s tapered rollers manage heavy loads while maintaining alignment. The ABEC-1 rating ensures consistent performance without overcomplicating maintenance.

Built for Heavy-Duty Use: 45290-45220 Bearing
45290-45220 Bearing excels in mining equipment, where its dynamic radial load capacity handles extreme conditions. The inch measurements make it compatible with many North American industrial standards.

For railway applications, 45290-45220 Bearing’s temperature range suits both cold and warm climates. Its steel cage and rollers provide long-term reliability with proper lubrication.

Automotive vs Aerospace: Applications of 45290-45220 Bearing
In automotive repairs, 45290-45220 Bearing is a go-to for vintage car restorations due to its Timken interchangeability. The tapered rollers handle both highway and off-road stresses well.

For light industrial aerospace tools, 45290-45220 Bearing’s standard clearance works in ground support equipment. Its weight and size balance performance with practicality for non-critical aerospace uses.

Q&A

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