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TS (Single Row Tapered Roller Bearings) (Imperial) 45287-45220

TS (Single Row Tapered Roller Bearings) (Imperial) 45287-45220

The 45287-45220 is a single-row tapered roller bearing with a 2.125″ 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 for 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 2.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments.

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Product Parameters

  • Part Number 45287-45220
  • Brand TFL
  • Interchangeable Timken
  • Size 2.125" x 4.125" x 1.1875"
  • Bore Dia 2.125"
  • 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 0.03"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.44"
  • Cone Backface Backing Diameter 2.44"
  • 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 45287
  • 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 2.5 lb

Features

Performance Features of 45287-45220 Bearing

45287-45220 Bearing is crafted with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 34,500 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing friction.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 45287-45220 Bearing Engineered for Reliability?

45287-45220 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction resists wear, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 5,090 lbf (Ca90) highlights its versatility in demanding environments.
This bearing meets ABEC-1 standards, balancing precision and cost-effectiveness.

Built for Durability: 45287-45220 Bearing

45287-45220 Bearing’s chrome steel components provide excellent resistance to wear and fatigue.
The tapered roller design distributes loads evenly, extending service life even under high stress.
With a static radial load capacity of 42,600 lbf, it handles heavy industrial applications with ease.
Its open design simplifies lubrication, ensuring consistent performance over time.

Steel vs Ceramic Bearings: Strengths of 45287-45220 Bearing

45287-45220 Bearing uses chrome steel for both rollers and rings, offering superior strength and durability.
This material choice ensures reliable performance in high-load scenarios, unlike ceramic alternatives.
The bearing’s tapered roller design efficiently manages combined radial and thrust loads.
Its compliance with RoHS and REACH standards makes it an environmentally friendly option.

Application

Industrial Uses of 45287-45220 Bearing
The 45287-45220 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, 45287-45220 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 45287-45220 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds stability, making it suitable for high-load scenarios.

Where Is 45287-45220 Bearing Used?
You’ll often find 45287-45220 Bearing in agricultural machinery, where its robust design withstands dusty and high-vibration conditions. The tapered rollers distribute loads evenly, reducing wear.

In mining equipment, 45287-45220 Bearing’s ability to handle heavy radial and thrust loads makes it a reliable choice. The standard radial clearance ensures smooth operation even under extreme conditions.

Built for Heavy-Duty Use: 45287-45220 Bearing
45287-45220 Bearing excels in forestry equipment, where its chrome steel rollers resist wear from rough handling. The open seal design simplifies maintenance in remote locations.

For railway applications, 45287-45220 Bearing’s combined load capacity ensures stability in railcar axles. The ABEC-1 rating provides consistent performance at moderate speeds.

Automotive vs Aerospace: Applications of 45287-45220 Bearing
In automotive drivetrains, 45287-45220 Bearing handles the high torque and variable loads typical of gearboxes. Its imperial sizing aligns with many truck and off-road vehicle specifications.

While not typically used in aerospace, 45287-45220 Bearing’s precision makes it suitable for ground support equipment. The temperature range covers most operational environments without issue.

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