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TS (Single Row Tapered Roller Bearings) (Imperial) 45291-45222

TS (Single Row Tapered Roller Bearings) (Imperial) 45291-45222

The 45291-45222 is a single-row tapered roller bearing with a 2.25″ bore and 4.1875″ 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 easy lubrication, while the steel cage ensures durability. 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 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 meets safety and environmental requirements.

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Product Parameters

  • Part Number 45291-45222
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 4.1875" x 1.1876"
  • Bore Dia 2.25"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.1875"
  • 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 0.25"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.56"
  • Cone Backface Backing Diameter 2.99"
  • Cup Frontface Backing Diameter 3.96"
  • 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 45291
  • Cup Part Number 45222
  • 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

How Does 45291-45222 Bearing Handle Combined Loads?

45291-45222 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 34,500 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

What Makes 45291-45222 Bearing Suitable for Heavy-Duty Applications?

45291-45222 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction enhances durability, while the standard radial clearance allows for smooth operation.
Its dynamic thrust rating of 5,090 lbf ensures stability under pressure.
The open seal type simplifies maintenance, reducing downtime.

Engineered for Precision: 45291-45222 Bearing

45291-45222 Bearing’s tapered rollers are precision-ground for consistent performance under heavy loads.
The effective center location of -0.32″ ensures proper alignment in complex assemblies.
With an ABEC-1 rating, it balances precision and cost-effectiveness.
The steel cage provides reliable roller guidance, minimising wear over time.

Structural Advantages of 45291-45222 Bearing

45291-45222 Bearing’s cone and cup design allows for easy installation and adjustment.
The chrome steel rollers and rings resist wear, even in high-load scenarios.
Its static radial load capacity of 42,600 lbf ensures long-term reliability.
The standard lubrication requirement keeps maintenance straightforward and cost-efficient.

Why Choose 45291-45222 Bearing for Industrial Use?

45291-45222 Bearing’s robust construction handles combined loads with ease, making it ideal for industrial machinery.
The inch-sized dimensions (2.25″ x 4.1875″ x 1.1876″) ensure compatibility with imperial systems.
Its dynamic radial rating of 8,930 lbf (C90) highlights its endurance.
The open design allows for easy inspection and relubrication, extending service life.

Application

Industrial Uses of 45291-45222 Bearing
The 45291-45222 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 45291-45222 Bearing fits well in wheel hubs and drivetrains, providing reliable performance under varying loads. The imperial sizing makes it a straightforward replacement for Timken equivalents in many vehicles.

For industrial conveyor systems, 45291-45222 Bearing’s open design simplifies lubrication and maintenance. The standard radial clearance offers flexibility for different operational conditions.

Where Is 45291-45222 Bearing Used?
You’ll often find 45291-45222 Bearing in agricultural machinery, where its robust design withstands dirt and debris. The steel cage adds extra resilience in these tough conditions.

It’s also a go-to choice for mining equipment, thanks to its high dynamic radial load capacity. The tapered rollers distribute stress evenly, extending service life.

Built for Heavy-Duty Use: 45291-45222 Bearing
45291-45222 Bearing excels in forestry equipment, handling shock loads from uneven terrain. Its ABEC-1 rating ensures consistent performance without over-engineering.

In material handling systems, this bearing’s standard lubrication requirement keeps maintenance straightforward. The inch measurements make it compatible with older machinery.

Automotive vs Aerospace: Applications of 45291-45222 Bearing
In trucks and trailers, 45291-45222 Bearing provides reliable support for axle systems. Its temperature range covers most road conditions without issue.

While not typically used in aerospace, this bearing’s precision makes it suitable for ground support equipment. The chrome steel components resist corrosion in outdoor storage.

Key Fields for 45291-45222 Bearing
45291-45222 Bearing works well in pump systems, where its tapered rollers manage both radial and axial forces. The static radial load rating ensures stability during start-up.

For industrial fans, this bearing’s standard radial clearance accommodates thermal expansion. Its weight-to-capacity ratio makes it efficient for rotating applications.

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