+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 45291-45220

TS (Single Row Tapered Roller Bearings) (Imperial) 45291-45220

The 45291-45220 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 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 2.3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments.

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

Product Parameters

  • Part Number 45291-45220
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 4.125" x 1.1875"
  • 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 1.1875"
  • 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 3.94"
  • 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 45291
  • 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 2.3 lb

Features

Why Choose 45291-45220 Bearing for Combined Loads?

45291-45220 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, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 45291-45220 Bearing Engineered for Reliability?

45291-45220 Bearing features a single-row tapered roller design, providing stability under combined loads.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 5,090 lbf (Ca90) makes it versatile for different applications.
The open seal type allows for easy lubrication, maintaining performance over time.

Structural Advantages of 45291-45220 Bearing

45291-45220 Bearing has precise cone and cup width tolerances, ensuring a secure fit during installation.
The effective center location of -0.32″ optimises load distribution, reducing wear.
Its ABEC-1 rating guarantees consistent performance for general industrial use.
The standard radial clearance option provides flexibility for various operational needs.

Application

Industrial Uses of 45291-45220 Bearing
45291-45220 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 rugged environments.

In automotive applications, 45291-45220 Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it a preferred choice for North American vehicle models.

For industrial conveyor systems, 45291-45220 Bearing’s open design allows for easy lubrication, extending service life in high-use scenarios. The steel cage adds stability during continuous operation.

Where Is 45291-45220 Bearing Used?
45291-45220 Bearing is ideal for agricultural machinery, such as tractors and harvesters, where its robust design withstands dirt and debris. The tapered rollers ensure smooth rotation even under heavy loads.

In mining equipment, 45291-45220 Bearing’s high dynamic radial load capacity makes it suitable for crushers and screens. The standard radial clearance accommodates thermal expansion in demanding conditions.

Built for Heavy-Duty Use: 45291-45220 Bearing
45291-45220 Bearing excels in forestry equipment like log splitters, where its combined load handling is essential. The chrome steel rollers resist wear in abrasive environments.

For railway applications, 45291-45220 Bearing provides reliable performance in axle boxes, ensuring smooth operation over long distances. The inch measurements simplify maintenance and replacements.

Automotive vs Aerospace: Applications of 45291-45220 Bearing
In automotive drivetrains, 45291-45220 Bearing handles high torque and variable speeds, making it a dependable choice. The ABEC-1 rating ensures consistent performance.

For aerospace ground support equipment, 45291-45220 Bearing’s temperature range suits outdoor operations. Its steel cage maintains integrity under frequent load changes.

Q&A

SEND INQUIRY