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

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

The 45290CA-45220 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-wise, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures durability. 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 heavy-duty 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 industrial use.

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Product Parameters

  • Part Number 45290CA-45220
  • 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 0.130"
  • 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 45290CA
  • 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 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

How Is 45290CA-45220 Bearing Engineered for Reliability?

45290CA-45220 Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 40,800 lbf, making it suitable for heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

What Makes 45290CA-45220 Bearing Suitable for High-Temperature Applications?

45290CA-45220 Bearing operates efficiently in temperatures ranging from -30° to 110°C.
The chrome steel construction resists heat-induced wear, maintaining performance under stress.
Its open design allows for easy lubrication, ensuring smooth operation in demanding conditions.
The bearing’s robust build handles combined loads without compromising reliability.

Designed for Durability: 45290CA-45220 Bearing

45290CA-45220 Bearing is built with high-quality chrome steel for long-lasting performance.
Its tapered roller design distributes loads evenly, reducing stress on individual components.
The standard radial clearance ensures smooth operation, even under varying conditions.
With a static radial load capacity of 42,600 lbf, it excels in heavy industrial use.

Application

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

In automotive applications, 45290CA-45220 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 45290CA-45220 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 45290CA-45220 Bearing a Preferred Choice?
45290CA-45220 Bearing is a go-to option for agricultural machinery, where its robust design withstands dusty and high-vibration conditions. The tapered rollers distribute loads evenly, reducing wear over time.

In mining equipment, 45290CA-45220 Bearing’s high dynamic radial load capacity ensures smooth operation even under extreme stress. Its standard radial clearance offers flexibility for different installation requirements.

Built for Heavy-Duty Use: 45290CA-45220 Bearing
45290CA-45220 Bearing excels in forestry machinery, handling uneven loads and shocks with ease. The chrome steel rollers and rings provide excellent resistance to wear and fatigue.

For railway applications, 45290CA-45220 Bearing’s precise tolerances and ABEC-1 rating ensure consistent performance in high-speed scenarios. Its compatibility with Timken models simplifies maintenance and replacements.

Automotive vs Aerospace: Applications of 45290CA-45220 Bearing
In automotive drivetrains, 45290CA-45220 Bearing supports heavy loads in trucks and buses, offering reliability over long distances. The inch measurements align with standard imperial components.

For aerospace ground equipment, 45290CA-45220 Bearing’s temperature tolerance (-30° to 110°C) makes it suitable for varied climates. Its steel cage ensures stability even during rapid load changes.

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