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TS (Single Row Tapered Roller Bearings) (Imperial) EE470078X-470128

TS (Single Row Tapered Roller Bearings) (Imperial) EE470078X-470128

The EE470078X-470128 is a single-row tapered roller bearing with a 7″ bore and 12.875″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 229,000 lbf radially and 37,100 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 large equipment where robust performance is needed.

Weighing 67.10 lb, it’s designed for stability and long service life. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number EE470078X-470128
  • Brand TFL
  • Interchangeable Timken
  • Size 7" x 12.875" x 3.5625"
  • Bore Dia 7"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 12.875"
  • Outer Dia Tolerance +0.002" to 0
  • Cone Width 3.625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 2.5"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 3.5625"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.380"
  • Cup Backface ToClear Radius 0.250"
  • Cone Frontface Backing Diameter 8.93"
  • Cone Backface Backing Diameter 8.54"
  • Cup Frontface Backing Diameter 12.08"
  • Cup Backface Backing Diameter 11.57"
  • Cage Cone Frontface Clearance 0.01"
  • Cage Cone Backface Clearance 0.51"
  • Effective Center Location -0.86"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number EE470078X
  • Cup Part Number 470128
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 470000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 229000 lbf
  • Static Radial Load 354000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 59200 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 37100 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 67.10 lb

Features

How Does EE470078X-470128 Bearing Handle Combined Loads?

EE470078X-470128 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 229,000 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

Why Choose EE470078X-470128 Bearing for Heavy-Duty Applications?

EE470078X-470128 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides durability, even under high static radial loads of 354,000 lbf.
Its standard radial clearance allows for smooth operation, reducing wear over time.
The open seal design simplifies maintenance, ensuring long-term reliability.

Structural Advantages of EE470078X-470128 Bearing

EE470078X-470128 Bearing’s tapered roller design ensures efficient load distribution, minimising stress on components.
The precise cone and cup width tolerances (+0.003″ to -0.01″) enhance alignment and performance.
With an effective center location of -0.86″, it offers stability in demanding conditions.
The steel cage maintains roller spacing, preventing slippage and reducing noise.

Engineered for Reliability: EE470078X-470128 Bearing

EE470078X-470128 Bearing’s chrome steel rollers and rings resist wear, even under high dynamic thrust loads.
Its ABEC-1 rating ensures consistent precision, suitable for industrial applications.
The lubrication requirement ensures smooth operation, reducing friction and heat buildup.
Weighing 67.10 lb, it balances strength and durability for long-term use.

Application

Industrial Uses of EE470078X-470128 Bearing
EE470078X-470128 Bearing is commonly used in heavy machinery, such as mining equipment and construction gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, EE470078X-470128 Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high radial and thrust loads. Its imperial sizing makes it a preferred choice for North American vehicle manufacturers.

For industrial fans and pumps, EE470078X-470128 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds stability, reducing wear over time.

Where Is EE470078X-470128 Bearing Used?
EE470078X-470128 Bearing can be found in agricultural machinery, supporting components like gearboxes and PTO shafts. Its robust design handles the varying loads typical in farming equipment.

The bearing also works well in railway applications, where its ability to manage combined loads ensures smooth operation in axle boxes. The standard radial clearance offers flexibility for different installation requirements.

Built for Heavy-Duty Use: EE470078X-470128 Bearing
EE470078X-470128 Bearing excels in oilfield equipment, such as drilling rigs, where its high dynamic load capacity is crucial. The tapered rollers distribute stress evenly, reducing fatigue.

In material handling systems, EE470078X-470128 Bearing supports conveyor rollers, ensuring reliable performance under constant use. The ABEC-1 rating provides a balance of precision and cost-effectiveness.

Automotive vs Aerospace: Applications of EE470078X-470128 Bearing
EE470078X-470128 Bearing is widely used in commercial vehicles, particularly in axle systems, where its strength and durability are essential. The inch measurements align with standard automotive designs.

While not typically used in aerospace, EE470078X-470128 Bearing finds its place in ground support equipment, where its load-handling capabilities are valued. The temperature range suits most industrial environments.

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