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TS (Single Row Tapered Roller Bearings) (Imperial) EE420850-421450

TS (Single Row Tapered Roller Bearings) (Imperial) EE420850-421450

The EE420850-421450 is a single-row tapered roller bearing with an 8.5″ 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 robust for heavy-duty use.

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 heavy loads are common.

Weighing 73.30 lb, it’s built to last and complies with RoHS and REACH standards for safe use. The standard radial clearance ensures versatile application.

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Product Parameters

  • Part Number EE420850-421450
  • Brand TFL
  • Interchangeable Timken
  • Size 8.5" x 14.5" x 3.25"
  • Bore Dia 8.5"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 14.5"
  • Outer Dia Tolerance +0.002" to 0
  • Cone Width 3.1249"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 2.5"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 3.25"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 10.39"
  • Cone Backface Backing Diameter 9.29"
  • Cup Frontface Backing Diameter 13.21"
  • Cup Backface Backing Diameter 13.03"
  • Cage Cone Frontface Clearance 0.14"
  • Cage Cone Backface Clearance 0.34"
  • Effective Center Location -0.24"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number EE420850
  • 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 73.30 lb

Features

Performance Features of EE420850-421450 Bearing

EE420850-421450 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 248,000 lbf, ensuring reliable performance in heavy-duty applications.

The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.

EE420850-421450 Bearing’s standard radial clearance allows for smooth operation under different load conditions.
Its ABEC-1 rating ensures consistent precision for industrial applications.

The bearing requires regular lubrication to maintain optimal performance over time.
Its single-row tapered design provides efficient load distribution and stability.

Application

Industrial Uses of EE420850-421450 Bearing
EE420850-421450 Bearing is commonly used in heavy machinery, such as construction equipment and mining gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

Where Is EE420850-421450 Bearing Used?
In automotive applications, EE420850-421450 Bearing supports large drivetrain components like truck axles, providing reliable performance under high radial and thrust loads. Its inch sizing makes it a standard choice for North American vehicles.

Built for Heavy-Duty Use: EE420850-421450 Bearing
EE420850-421450 Bearing excels in industrial fans and pumps, where its open design allows for easy lubrication and maintenance. The steel cage adds stability, making it suitable for continuous operation.

Automotive vs Aerospace: Applications of EE420850-421450 Bearing
EE420850-421450 Bearing is ideal for automotive wheel hubs, offering robust load capacity, while its precision also suits aerospace landing gear components. The ABEC-1 rating ensures consistent performance in both fields.

Perfect Fit for Automation: EE420850-421450 Bearing
EE420850-421450 Bearing works well in automated conveyor systems, where its tapered rollers manage varying load directions smoothly. The standard radial clearance option provides flexibility for different operational needs.

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