TS (Single Row Tapered Roller Bearings) (Imperial) 45280-45220

The 45280-45220 is a single-row tapered roller bearing with a 1.75″ bore and 4.125″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 34500 lbf radially and 5090 lbf thrust, making it versatile for heavy-duty use.

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 various industrial conditions.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for applications like vehicle axles or machinery where combined loads are common.

Weighing 2.9 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 45280-45220
Brand TFL
Interchangeable Timken
Size 1.75" x 4.125" x 1.1875"
Bore Dia 1.75"
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 2.13"
Cone Backface Backing Diameter 2.17"
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 45280
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 2.9 lb

Features

Performance Features of 45280-45220 Bearing

45280-45220 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 34,500 lbf, ensuring reliable performance in 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 well in various environments.

Why Choose 45280-45220 Bearing for Precision Tasks?

45280-45220 Bearing features a tapered roller design, providing precise load distribution and smooth operation.
The chrome steel construction enhances durability, even under high radial and thrust loads.
Its standard radial clearance ensures consistent performance, suitable for various industrial applications.
The bearing’s ABEC-1 rating guarantees reliable precision for everyday use.

Engineered for Reliability: 45280-45220 Bearing

45280-45220 Bearing’s single-row construction simplifies installation while maintaining robust performance.
The chrome steel rollers and rings resist wear, ensuring long service life in demanding conditions.
With a static radial load capacity of 42,600 lbf, it handles heavy loads with ease.
Its open design allows for easy lubrication, reducing maintenance needs over time.

Application

Industrial Uses of 45280-45220 Bearing
45280-45220 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 in demanding environments.

In automotive applications, 45280-45220 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a straightforward replacement for Timken equivalents.

For industrial conveyors, 45280-45220 Bearing’s open design allows easy lubrication, extending service life in high-load scenarios. The steel cage adds stability during continuous operation.

Where Is 45280-45220 Bearing Used?
You’ll often find 45280-45220 Bearing in agricultural machinery, where its robust design handles rough terrain and heavy loads. The standard radial clearance ensures smooth rotation even under stress.

In mining equipment, 45280-45220 Bearing’s high dynamic load capacity makes it suitable for crushers and screens. Its temperature range also works well in both hot and cold environments.

Built for Heavy-Duty Use: 45280-45220 Bearing
45280-45220 Bearing excels in forestry equipment, where its tapered rollers manage uneven loads from logs and debris. The ABEC-1 rating balances precision and cost-effectiveness.

For railway applications, 45280-45220 Bearing’s steel cage and chrome steel rollers provide long-lasting performance in freight car axles. The inch measurements simplify maintenance for North American systems.

Automotive vs Aerospace: Applications of 45280-45220 Bearing
In trucks and buses, 45280-45220 Bearing supports drivetrain components with its high static radial load capacity. The open design simplifies greasing during routine checks.

While not typically used in aerospace, 45280-45220 Bearing’s reliability makes it a fit for ground support equipment. Its weight and inch sizing are better suited for terrestrial applications.