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EE420850 Single Cones (Imperial)
EE420850 Single Cones (Imperial)

EE420850 Single Cones (Imperial)

The EE420850 is a single-row tapered roller bearing cone with an 8.5-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 248,000 lbf and static loads up to 409,000 lbf.

Its open design allows easy maintenance, while the steel cage ensures reliable performance. The cone width is 3.1249 inches, with a backface clearance radius of 0.06 inches for smooth operation.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like industrial machinery or large vehicles where combined loads are common.

It operates in temperatures from -30°C to 110°C and complies with RoHS and REACH standards. The ABEC-1 rating ensures consistent performance for standard applications.

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Product Parameters

  • Part Number EE420850
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number EE420850-421417 , EE420850-421437 , EE420850-421450
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 420000
  • Bore Dia 8.5"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 3.1249"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 9.29"
  • Cone Backface Backing Diameter 9.29"
  • Cage Cone Frontface Clearance 0.14"
  • Cage Cone Backface Clearance 0.34"
  • Effective Center Location -0.24"
  • Ring 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 Radial Rating(Two Row 1 Million Revolutions)(C1) 432000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 44200 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 112000 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

Performance Features of EE420850 Bearing

EE420850 Bearing is crafted from chrome steel, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 248,000 lbf, making it suitable for heavy-duty applications.

The tapered roller design ensures smooth operation and efficient load distribution.
With a standard radial clearance, it provides flexibility for various industrial needs.

EE420850 Bearing operates reliably within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, enhancing durability and performance.

The ABEC-1 rating confirms its precision and quality for consistent operation.
This bearing is interchangeable with Timken models, ensuring easy replacement.

Application

Industrial Uses of EE420850 Bearing
EE420850 Bearing is commonly used in heavy machinery, such as mining equipment and construction vehicles, where its tapered roller design handles combined loads efficiently. The open seal type allows for easy lubrication, extending its service life in demanding conditions.

Where Is EE420850 Bearing Used?
In automotive applications, EE420850 Bearing supports large axles and wheel hubs, providing stability under heavy loads. Its inch sizing makes it a reliable choice for American and British vehicle manufacturers.

Built for Heavy-Duty Use: EE420850 Bearing
EE420850 Bearing excels in industrial gearboxes, where its chrome steel construction ensures durability. The steel cage adds strength, making it suitable for high-speed operations.

Automotive vs Aerospace: Applications of EE420850 Bearing
In automotive systems, EE420850 Bearing is ideal for truck transmissions, while in aerospace, it supports landing gear mechanisms. Its ABEC-1 rating ensures consistent performance in both fields.

Essential Roles of EE420850 Bearing
EE420850 Bearing is a key component in railway systems, particularly in bogie assemblies, where its dynamic load capacity ensures smooth operation. The standard radial clearance offers flexibility for various installation requirements.

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