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TS (Single Row Tapered Roller Bearings) (Imperial) A4059-A4138

TS (Single Row Tapered Roller Bearings) (Imperial) A4059-A4138

The A4059-A4138 is a single-row tapered roller bearing with a bore of 0.5901″ and an outer diameter of 1.3775″, crafted from sturdy chrome steel. It handles combined loads up to 2960 lbf and is designed for smooth operation in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing is interchangeable with Timken models, making it a practical choice for replacements.

With a standard radial clearance and ABEC-1 rating, it suits applications like automotive axles or industrial gearboxes. Weighing just 0.100 lb, it’s lightweight yet robust for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number A4059-A4138
  • Brand TFL
  • Interchangeable Timken
  • Size 0.5901" x 1.3775" x 0.433"
  • Bore Dia 0.5901"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 1.3775"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.4326"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.3437"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.433"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.050"
  • Cone Frontface Backing Diameter 0.75"
  • Cone Backface Backing Diameter 0.77"
  • Cup Frontface Backing Diameter 1.28"
  • Cup Backface Backing Diameter 1.14"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0"
  • Effective Center Location -0.1"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number A4059
  • Cup Part Number A4138
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series A4000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 2960 lbf
  • Static Radial Load 2580 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 767 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 594 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 0.100 lb

Features

Performance Features of A4059-A4138 Bearing

A4059-A4138 Bearing is crafted from chrome steel, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 2960 lbf, making it suitable for demanding applications.
The tapered roller design ensures smooth operation and efficient load distribution.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does A4059-A4138 Bearing Reduce Friction?

A4059-A4138 Bearing’s tapered rollers minimise friction, ensuring smooth rotation under load.
The chrome steel construction enhances durability while maintaining low operational resistance.
Its open design allows for easy lubrication, further reducing wear and tear.
This makes it a practical choice for applications requiring consistent performance.

Engineered for Precision: A4059-A4138 Bearing

A4059-A4138 Bearing features precise dimensions, with a bore diameter of 0.5901″ and tight tolerances.
The steel cage keeps rollers aligned, ensuring accurate and reliable operation.
Its ABEC-1 rating confirms its suitability for precision tasks.
The standard radial clearance can be adjusted to C3, C4, or C5 for specific needs.

Steel vs Ceramic Bearings: Strengths of A4059-A4138 Bearing

A4059-A4138 Bearing uses chrome steel for both rollers and rings, balancing cost and performance.
This material choice provides excellent strength and wear resistance in most industrial settings.
The steel cage adds durability without significantly increasing weight.
At just 0.100 lb, it remains lightweight while handling substantial loads.

Application

Industrial Uses of A4059-A4138 Bearing
A4059-A4138 Bearing is commonly used in industrial machinery where combined radial and thrust loads are present, such as gearboxes and conveyor systems. Its chrome steel construction ensures durability in demanding environments.

Where Is A4059-A4138 Bearing Used?
You’ll often find A4059-A4138 Bearing in automotive applications like wheel hubs and transmissions, where its tapered roller design handles heavy loads smoothly. The inch sizing makes it a good fit for many North American vehicles.

Built for Heavy-Duty Use: A4059-A4138 Bearing
A4059-A4138 Bearing excels in construction equipment, supporting loads in excavators and cranes. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of A4059-A4138 Bearing
In automotive settings, A4059-A4138 Bearing is ideal for drivetrains, while in aerospace, it’s used in auxiliary systems where precision and reliability are key. The steel cage adds extra strength.

Perfect Fit for Automation: A4059-A4138 Bearing
A4059-A4138 Bearing works well in automated machinery, such as robotic arms, thanks to its stable performance under varying loads. The standard radial clearance ensures smooth operation.

Q&A

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