+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 45280-45221

TS (Single Row Tapered Roller Bearings) (Imperial) 45280-45221

The 45280-45221 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 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 2.9 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for diverse environments.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 45280-45221
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 4.125" x 1.1876"
  • 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 1.1876"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.13"
  • Cone Backface Backing Diameter 2.17"
  • 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 45280
  • 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 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 45280-45221 Bearing

45280-45221 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 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.

Why Choose 45280-45221 Bearing for Precision Tasks?

45280-45221 Bearing features precise cone and cup dimensions, ensuring accurate alignment for smooth operation.
The tapered roller design distributes loads evenly, enhancing stability and reducing wear.
Its ABEC-1 rating guarantees consistent performance in precision applications.
The standard radial clearance options provide flexibility for different installation needs.

Engineered for Reliability: 45280-45221 Bearing

45280-45221 Bearing’s single-row construction simplifies installation while maintaining high load capacity.
The chrome steel materials resist wear, ensuring long service life even under heavy loads.
Lubrication is required to maintain optimal performance and reduce friction.
With a static radial load of 42,600 lbf, it handles demanding industrial applications with ease.

How Does 45280-45221 Bearing Resist Wear?

45280-45221 Bearing uses hardened chrome steel for both rollers and rings, enhancing durability.
The tapered roller design minimises surface contact, reducing friction and wear over time.
Proper lubrication further extends its service life by preventing metal-to-metal contact.
Its robust construction ensures reliable performance in high-load scenarios.

Tailored for Corrosion Resistance: 45280-45221 Bearing

45280-45221 Bearing’s chrome steel components resist rust and corrosion in harsh environments.
The open design allows for easy inspection and maintenance, ensuring long-term reliability.
With a wide temperature range, it performs consistently in varying conditions.
Regular lubrication helps maintain its corrosion-resistant properties over time.

Application

Industrial Uses of 45280-45221 Bearing
45280-45221 Bearing works well in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough conditions.

In automotive applications, 45280-45221 Bearing fits perfectly in wheel hubs and differential systems, thanks to its precise imperial sizing. Its open design simplifies lubrication, keeping maintenance straightforward.

For industrial conveyor systems, 45280-45221 Bearing’s high dynamic radial load capacity makes it reliable for continuous operation. The standard radial clearance also accommodates slight misalignments without compromising performance.

Where Is 45280-45221 Bearing Used?
You’ll often find 45280-45221 Bearing in agricultural machinery, where its robust design handles dusty environments. The steel cage adds extra strength for long-term use.

In mining equipment, 45280-45221 Bearing’s ability to manage heavy radial and thrust loads keeps operations smooth. Its temperature range suits both hot and cold working conditions.

Built for Heavy-Duty Use: 45280-45221 Bearing
45280-45221 Bearing excels in forestry machinery, where its tapered rollers distribute loads evenly. The inch measurements make it compatible with older American-made equipment.

For railway applications, 45280-45221 Bearing’s high static radial load rating ensures stability under heavy carriages. Its ABEC-1 rating balances precision and cost-effectiveness.

Automotive vs Aerospace: Applications of 45280-45221 Bearing
In trucks and buses, 45280-45221 Bearing supports axles with its combined load capacity. The open seal type allows for easy inspection and regreasing.

For ground support equipment in airports, 45280-45221 Bearing’s durability stands up to frequent use. Its chrome steel rollers resist wear even with constant starts and stops.

Q&A

SEND INQUIRY