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TS (Single Row Tapered Roller Bearings) (Imperial) EE420793W-421450

TS (Single Row Tapered Roller Bearings) (Imperial) EE420793W-421450

The EE420793W-421450 is a single-row tapered roller bearing with a 7.9375″ bore and 14.5″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 263,000 lbf radially and 46,800 lbf thrust, making it suitable for heavy-duty applications.

Its open design allows 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 construction equipment where heavy loads and durability are key.

Weighing 84.80 lb, it’s built for strength and long-lasting performance. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number EE420793W-421450
  • Brand TFL
  • Interchangeable Timken
  • Size 7.9375" x 14.5" x 3.625"
  • Bore Dia 7.9375"
  • 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 0.13"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 9.96"
  • Cone Backface Backing Diameter 9.02"
  • 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 EE420793W
  • 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 263000 lbf
  • Static Radial Load 409000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 68100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 46800 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 84.80 lb

Features

Performance Features of EE420793W-421450 Bearing

EE420793W-421450 Bearing is constructed with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 263,000 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing wear.
With a standard radial clearance, it provides reliable performance in various operating conditions.

How Does EE420793W-421450 Bearing Resist Wear?

EE420793W-421450 Bearing’s chrome steel components are designed to withstand high stress and reduce wear over time.
The tapered roller design distributes loads evenly, extending the bearing’s service life.
Its effective lubrication system further minimises friction, ensuring smooth operation.
This makes it a dependable choice for industrial applications requiring long-term reliability.

Engineered for Precision: EE420793W-421450 Bearing

EE420793W-421450 Bearing features precise tolerances, with bore diameter tolerance of +0.001″ to 0.
The tapered rollers and chrome steel construction ensure accurate performance under combined loads.
Its ABEC-1 rating confirms its suitability for applications requiring consistent precision.
The bearing maintains stability even at high loads, thanks to its robust design.

Steel vs Ceramic Bearings: Strengths of EE420793W-421450 Bearing

EE420793W-421450 Bearing uses chrome steel for both rings and rollers, providing excellent strength and durability.
Compared to ceramic options, it offers better cost-efficiency for heavy industrial use.
The steel cage ensures reliable performance under high dynamic radial loads up to 263,000 lbf.
Its temperature range of -30° to 110°C makes it versatile for various environments.

Application

Industrial Uses of EE420793W-421450 Bearing
EE420793W-421450 Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its tapered roller design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is EE420793W-421450 Bearing Used?
In automotive applications, EE420793W-421450 Bearing supports wheel hubs and differential systems, providing reliable performance under high stress. Its inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: EE420793W-421450 Bearing
EE420793W-421450 Bearing excels in industrial gearboxes, where its single-row design simplifies maintenance. The steel cage enhances stability, making it suitable for continuous operation.

Automotive vs Aerospace: Applications of EE420793W-421450 Bearing
EE420793W-421450 Bearing is versatile enough for both automotive drivetrains and aerospace landing gear systems. Its high dynamic load capacity ensures consistent performance across different industries.

Key Fields for EE420793W-421450 Bearing
EE420793W-421450 Bearing is ideal for agricultural machinery, such as tractors and harvesters, where its robust design withstands rough conditions. The open seal type allows for easy lubrication.

Q&A

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