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TS (Single Row Tapered Roller Bearings) (Imperial) EE420812X-421450

TS (Single Row Tapered Roller Bearings) (Imperial) EE420812X-421450

The EE420812X-421450 is a single-row tapered roller bearing with an 8.125″ bore and 14.5″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 248,000 lbf radially and 44,200 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 heavy equipment where robust performance is needed.

Weighing 81.9 lb, it’s built to last and complies with RoHS and REACH standards for safe use. The standard radial clearance ensures versatility across various applications.

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Product Parameters

  • Part Number EE420812X-421450
  • Brand TFL
  • Interchangeable Timken
  • Size 8.125" x 14.5" x 3.625"
  • Bore Dia 8.125"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 14.5"
  • Outer Dia Tolerance +0.002" to 0
  • Cone Width 3.4999"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 2.5"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 3.625"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 10.12"
  • Cone Backface Backing Diameter 9.41"
  • Cup Frontface Backing Diameter 13.21"
  • Cup Backface Backing Diameter 13.03"
  • Cage Cone Frontface Clearance 0.14"
  • Cage Cone Backface Clearance 0.72"
  • Effective Center Location -0.61"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number EE420812X
  • Cup Part Number 421450
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 420000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 248000 lbf
  • Static Radial Load 409000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 64300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 44200 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 81.9 lb

Features

Performance Features of EE420812X-421450 Bearing

EE420812X-421450 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 248,000 lbf, making it suitable for heavy-duty applications.

The steel cage maintains roller alignment, ensuring smooth operation and reduced wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

EE420812X-421450 Bearing’s standard radial clearance allows for flexibility in different applications.
Its robust construction ensures long service life, even under demanding operational conditions.

Application

Industrial Uses of EE420812X-421450 Bearing
EE420812X-421450 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 EE420812X-421450 Bearing Used?
You’ll often find EE420812X-421450 Bearing in agricultural machinery, supporting gearboxes and axles that need reliable performance. Its inch sizing makes it a good fit for North American equipment standards.

Built for Heavy-Duty Use: EE420812X-421450 Bearing
EE420812X-421450 Bearing excels in industrial fans and pumps, where its open design allows for easy lubrication. The steel cage adds stability, making it suitable for high-load applications.

Automotive vs Aerospace: Applications of EE420812X-421450 Bearing
In automotive systems, EE420812X-421450 Bearing supports wheel hubs and drivetrains, while in aerospace, it’s used in landing gear assemblies. Its ABEC-1 rating ensures consistent performance across different industries.

Essential Roles of EE420812X-421450 Bearing
EE420812X-421450 Bearing is a go-to choice for railway applications, particularly in freight car axles. The standard radial clearance option provides flexibility for various operational needs.

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