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TS (Single Row Tapered Roller Bearings) (Imperial) EE420751-421450

TS (Single Row Tapered Roller Bearings) (Imperial) EE420751-421450

The EE420751-421450 is a single-row tapered roller bearing with a 7.5″ bore and 14.5″ outer diameter, built from tough chrome steel for heavy-duty use. It handles combined loads up to 263,000 lbf radially and 46,800 lbf thrust, making it suitable for demanding applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly in temperatures from -30°C to 110°C, ideal for industrial environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Perfect for use in machinery like gearboxes or conveyor systems where robust performance is needed.

Weighing 89.5 lb, it’s built to last and complies with RoHS and REACH standards for safe, long-term use. The standard radial clearance ensures easy installation and maintenance.

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Product Parameters

  • Part Number EE420751-421450
  • Brand TFL
  • Interchangeable Timken
  • Size 7.5" x 14.5" x 3.625"
  • Bore Dia 7.5"
  • 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 9.61"
  • Cone Backface Backing Diameter 8.94"
  • 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 EE420751
  • 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 89.5 lb

Features

Performance Features of EE420751-421450 Bearing

EE420751-421450 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 263,000 lbf, making it suitable for heavy-duty applications.

The tapered roller design ensures efficient load distribution, reducing stress on individual components.
With a standard radial clearance, it provides reliable performance in various operating conditions.

EE420751-421450 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
The steel cage maintains roller alignment, enhancing durability and extending service life.

This bearing requires lubrication but offers long-lasting performance with proper maintenance.
Its ABEC-1 rating ensures consistent precision for industrial applications.

Application

Industrial Uses of EE420751-421450 Bearing
EE420751-421450 Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The large imperial sizing makes it ideal for American-made industrial gear.

In automotive applications, EE420751-421450 Bearing supports truck axles and large vehicle transmissions, thanks to its high dynamic radial load capacity. The chrome steel construction ensures longevity even under constant stress.

For wind turbine systems, EE420751-421450 Bearing’s open design allows for easy lubrication, crucial for maintenance in remote locations. Its standard radial clearance also accommodates thermal expansion during operation.

Where Is EE420751-421450 Bearing Used?
You’ll often find EE420751-421450 Bearing in railway freight cars, where its ABEC-1 rating provides reliable performance without over-engineering. The steel cage offers durability against vibration and shock loads.

In agricultural machinery, EE420751-421450 Bearing withstands dusty conditions while maintaining smooth rotation. The inch measurements make it compatible with older North American farm equipment.

Built for Heavy-Duty Use: EE420751-421450 Bearing
EE420751-421450 Bearing excels in steel mill rollers, where temperatures fluctuate near its 110°C limit. The tapered rollers distribute loads evenly, reducing wear on contact surfaces.

Its 409,000 lbf static radial load rating makes EE420751-421450 Bearing suitable for bridge construction equipment. The standard radial clearance version adapts well to dynamic structural shifts.

Automotive vs Aerospace: Applications of EE420751-421450 Bearing
While EE420751-421450 Bearing fits truck wheel hubs perfectly, its weight limits aerospace use. However, its temperature range covers most ground vehicle requirements comfortably.

In marine applications, EE420751-421450 Bearing handles propeller shaft loads reliably. The required lubrication system works well with standard marine greases for corrosion resistance.

Q&A

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