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TS (Single Row Tapered Roller Bearings) (Imperial) EE129120X-129174

TS (Single Row Tapered Roller Bearings) (Imperial) EE129120X-129174

The EE129120X-129174 is a single-row tapered roller bearing with a 12″ bore and 17.3208″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 201,000 lbf radially and 37,200 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 construction equipment where robust performance is needed.

Weighing 74.1 lb, it’s designed for stability and long service life. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number EE129120X-129174
  • Brand TFL
  • Interchangeable Timken
  • Size 12" x 17.3208" x 3.0001"
  • Bore Dia 12"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 17.3208"
  • Outer Dia Tolerance +0.002" to 0
  • Cone Width 3.0312"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 2.125"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 3.0001"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.190"
  • Cone Frontface Backing Diameter 14.06"
  • Cone Backface Backing Diameter 13.15"
  • Cup Frontface Backing Diameter 16.30"
  • Cup Backface Backing Diameter 16.02"
  • Cage Cone Frontface Clearance -0.02"
  • Cage Cone Backface Clearance 0.56"
  • Effective Center Location 0.29"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number EE129120X
  • Cup Part Number 129174
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 129000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 201000 lbf
  • Static Radial Load 401000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 52200 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 37200 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 74.100 lb

Features

How Does EE129120X-129174 Bearing Handle Combined Loads?

EE129120X-129174 Bearing is built with chrome steel rings and rollers, offering robust performance under combined radial and thrust loads.
Its dynamic radial load capacity reaches 201,000 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing friction.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

What Makes EE129120X-129174 Bearing Suitable for Heavy-Duty Applications?

EE129120X-129174 Bearing features a single-row tapered roller design, optimised for handling high radial and thrust loads.
The chrome steel construction provides excellent strength and resistance to wear.
Its dynamic radial rating of 52,200 lbf at 90 million revolutions ensures long-lasting performance.
The standard radial clearance options allow for flexibility in different operational environments.

Engineered for Reliability: EE129120X-129174 Bearing

EE129120X-129174 Bearing’s precision design ensures smooth operation even under extreme loads.
The tapered roller configuration distributes loads evenly, reducing stress on individual components.
With a static radial load capacity of 401,000 lbf, it delivers dependable performance in demanding settings.
The steel cage maintains roller spacing, preventing skewing and prolonging service life.

Application

Industrial Uses of EE129120X-129174 Bearing
EE129120X-129174 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is EE129120X-129174 Bearing Used?
You’ll often find EE129120X-129174 Bearing in large industrial gearboxes and power transmission systems. Its inch sizing makes it compatible with older American machinery, while the open design simplifies lubrication.

Built for Heavy-Duty Use: EE129120X-129174 Bearing
EE129120X-129174 Bearing excels in applications like agricultural machinery and railroad axles, where high static and dynamic load ratings are essential. The steel cage provides extra strength for long-term reliability.

Automotive vs Aerospace: Applications of EE129120X-129174 Bearing
In automotive sectors, EE129120X-129174 Bearing supports heavy truck differentials, while in aerospace it’s used in auxiliary ground equipment. The ABEC-1 rating offers sufficient precision for these demanding environments.

Practical Applications of EE129120X-129174 Bearing
EE129120X-129174 Bearing works well in paper mill machinery and steel rolling equipment, where its standard radial clearance accommodates thermal expansion. The 74.1 lb weight indicates its robust construction for industrial-scale operations.

Q&A

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