+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) EE450551-451250

TS (Single Row Tapered Roller Bearings) (Imperial) EE450551-451250

The EE450551-451250 is a single-row tapered roller bearing with a 5.5″ bore and 12.5″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 237,000 lbf radially and 34,300 lbf thrust, making it suitable for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. 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, gearboxes, or large vehicles where robust performance is needed.

Weighing 73.1 lb, it’s designed for stability and long service life. Compliant with RoHS and REACH standards for safe use.

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

Product Parameters

  • Part Number EE450551-451250
  • Brand TFL
  • Interchangeable Timken
  • Size 5.5" x 12.5" x 3.5"
  • Bore Dia 5.5"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 12.5"
  • Outer Dia Tolerance +0.002" to 0
  • Cone Width 3.6875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 2.4375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 3.5"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.380"
  • Cup Backface ToClear Radius 0.270"
  • Cone Frontface Backing Diameter 7.44"
  • Cone Backface Backing Diameter 7.09"
  • Cup Frontface Backing Diameter 10.83"
  • Cup Backface Backing Diameter 10.59"
  • Cage Cone Frontface Clearance -0.06"
  • Cage Cone Backface Clearance 0.68"
  • Effective Center Location -1.11"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number EE450551
  • Cup Part Number 451250
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 450000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 237000 lbf
  • Static Radial Load 333000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 61400 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 34300 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 73.100 lb

Features

Performance Features of EE450551-451250 Bearing

EE450551-451250 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 237,000 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is EE450551-451250 Bearing Engineered for Reliability?

EE450551-451250 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent strength and wear resistance.
Its dynamic thrust rating of 34,300 lbf ensures consistent performance under pressure.
Standard radial clearance options allow for flexibility in different applications.

Built for Durability: EE450551-451250 Bearing

EE450551-451250 Bearing’s robust design includes precise cone and cup width tolerances for proper fit.
The steel cage maintains roller position, ensuring smooth operation even under heavy loads.
With a static radial load capacity of 333,000 lbf, it delivers long-lasting performance.
Its ABEC-1 rating confirms consistent quality and precision.

Steel vs Ceramic Bearings: Strengths of EE450551-451250 Bearing

EE450551-451250 Bearing uses chrome steel for both rings and rollers, offering excellent durability.
This material choice provides superior load capacity compared to ceramic alternatives in heavy applications.
The bearing’s effective center location ensures proper load distribution.
Its standard lubrication requirement simplifies maintenance while ensuring reliable operation.

Application

Industrial Uses of EE450551-451250 Bearing
EE450551-451250 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

Where Is EE450551-451250 Bearing Used?
You’ll often find EE450551-451250 Bearing in agricultural machinery, such as tractors and harvesters, where its high load capacity supports heavy-duty operations. Its inch sizing makes it a good fit for North American equipment standards.

Built for Heavy-Duty Use: EE450551-451250 Bearing
EE450551-451250 Bearing excels in industrial gearboxes, providing reliable performance under both radial and thrust loads. The open design allows for easy lubrication, extending its service life in demanding environments.

Automotive vs Aerospace: Applications of EE450551-451250 Bearing
In automotive applications, EE450551-451250 Bearing is ideal for wheel hubs and drivetrains, offering stability under high loads. For aerospace, its precision and durability make it suitable for landing gear systems.

Essential Roles of EE450551-451250 Bearing
EE450551-451250 Bearing is a key component in railway applications, where its robust design handles the constant stress of moving trains. The steel cage adds extra strength, ensuring long-term reliability.

Q&A

SEND INQUIRY