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TS (Single Row Tapered Roller Bearings) (Imperial) 45290CA-45221

TS (Single Row Tapered Roller Bearings) (Imperial) 45290CA-45221

The 45290CA-45221 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 40800 lbf radially and 6030 lbf 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 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, it’s a safe choice for diverse environments.

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Product Parameters

  • Part Number 45290CA-45221
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 4.125" x 1.1876"
  • 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 1.1876"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.56"
  • Cone Backface Backing Diameter 2.68"
  • 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 45290CA
  • 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 40800 lbf
  • Static Radial Load 42600 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 10600 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 6030 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 45290CA-45221 Bearing

45290CA-45221 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 40,800 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 45290CA-45221 Bearing Resist Wear?

45290CA-45221 Bearing’s chrome steel construction provides excellent wear resistance, even under high stress.
The tapered roller design distributes loads evenly, extending the bearing’s service life.
Its standard radial clearance options allow for flexibility in different applications.
Regular lubrication ensures smooth operation and further reduces wear over time.

Engineered for Precision: 45290CA-45221 Bearing

45290CA-45221 Bearing features precise dimensions, with tight tolerances for consistent performance.
The single-row tapered roller design handles both radial and thrust loads efficiently.
Its ABEC-1 rating ensures reliable operation in various industrial settings.
The bearing’s effective center location of -0.32″ optimises load distribution.

Application

Industrial Uses of 45290CA-45221 Bearing
The 45290CA-45221 Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 45290CA-45221 Bearing fits well in wheel hubs and differential systems, providing reliable performance under both radial and thrust loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 45290CA-45221 Bearing’s open design allows for easy lubrication, extending its service life in high-load scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 45290CA-45221 Bearing Used?
You’ll often find 45290CA-45221 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design handles rough conditions. The tapered rollers distribute loads evenly, reducing wear over time.

In power transmission systems, 45290CA-45221 Bearing supports shafts and gears, ensuring smooth rotation under heavy loads. Its ABEC-1 rating provides a good balance of precision and affordability for general industrial use.

Built for Heavy-Duty Use: 45290CA-45221 Bearing
The 45290CA-45221 Bearing excels in applications like forklifts and cranes, where its high dynamic load capacity keeps operations running smoothly. The standard radial clearance offers flexibility for various installation needs.

For railway equipment, 45290CA-45221 Bearing’s temperature range and lubrication requirements make it a dependable choice for axles and bogies. Its compatibility with Timken models simplifies replacements and maintenance.

Automotive vs Aerospace: Applications of 45290CA-45221 Bearing
In automotive settings, 45290CA-45221 Bearing is ideal for drivetrains and axles, thanks to its combined load handling. The inch measurements align perfectly with imperial system components.

For aerospace ground support equipment, 45290CA-45221 Bearing provides reliable performance in load-bearing applications. Its chrome steel rollers ensure consistent operation under varying temperatures.

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