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TS (Single Row Tapered Roller Bearings) (Imperial) 43138X-43326

TS (Single Row Tapered Roller Bearings) (Imperial) 43138X-43326

The 43138X-43326 is a single-row tapered roller bearing with a 1.378″ bore and 3.25″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 17500 lbf radially and 5170 lbf thrust, suitable for demanding applications.

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

This model is interchangeable with Timken bearings, making it a practical choice for replacements. It’s ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 1.3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s safe for various industrial uses.

The standard radial clearance and ABEC-1 rating ensure reliable performance. Its tapered roller design provides efficient load distribution, enhancing longevity in tough conditions.

Perfect for applications requiring precise alignment and high load capacity. The bearing’s construction makes it a dependable option for both radial and thrust loads.

Easy to install and maintain, it’s a versatile choice for engineers and maintenance teams. The chrome steel rollers and rings offer excellent wear resistance.

Suitable for gearboxes, axles, and other heavy machinery components. Its durable build ensures consistent performance even under stress.

The bearing’s design allows for effective heat dissipation. This helps maintain performance during prolonged use in challenging environments.

A reliable option for industrial and automotive applications. Its compatibility with Timken bearings adds to its versatility and ease of replacement.

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Product Parameters

  • Part Number 43138X-43326
  • Brand TFL
  • Interchangeable Timken
  • Size 1.378" x 3.25" x 0.9688"
  • Bore Dia 1.378"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.25"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.9166"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.6875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.9688"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 1.65"
  • Cone Backface Backing Diameter 2.05"
  • Cup Frontface Backing Diameter 3.03"
  • Cup Backface Backing Diameter 2.68"
  • Cage Cone Frontface Clearance 0.13"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.05"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 43138X
  • Cup Part Number 43326
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 43000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 17500 lbf
  • Static Radial Load 17100 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 4520 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5170 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 1.3 lb

Features

Performance Features of 43138X-43326 Bearing

43138X-43326 Bearing is designed for combined load applications, with a dynamic radial load capacity of 17,500 lbf.
Its chrome steel construction ensures durability and resistance to wear in demanding conditions.

The tapered roller design provides effective load distribution, enhancing performance and longevity.
With a temperature range of -30° to 110°C, it operates reliably in various environments.

43138X-43326 Bearing’s standard radial clearance offers flexibility for different operational needs.
Its steel cage maintains roller alignment, reducing friction and improving efficiency.

Application

Industrial Uses of 43138X-43326 Bearing
43138X-43326 Bearing is commonly used in heavy machinery, such as construction equipment and mining gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 43138X-43326 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for North American vehicle models.

For industrial conveyor systems, 43138X-43326 Bearing’s open design allows for easy lubrication, reducing downtime in high-use environments. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 43138X-43326 Bearing Used?
You’ll often find 43138X-43326 Bearing in agricultural machinery, like tractors and harvesters, where its ability to handle radial and thrust loads is essential. The standard radial clearance ensures smooth operation even under heavy stress.

In power transmission systems, 43138X-43326 Bearing supports shafts and gears, thanks to its robust tapered roller design. The ABEC-1 rating provides a good balance of precision and affordability for most industrial needs.

Built for Heavy-Duty Use: 43138X-43326 Bearing
43138X-43326 Bearing excels in applications like railcar axles, where its combined load capacity and durability are crucial. The chrome steel rollers and rings offer long-lasting performance even in demanding environments.

For pulp and paper processing equipment, 43138X-43326 Bearing’s resistance to wear and tear makes it a reliable choice. The steel cage ensures stability, reducing the risk of misalignment during operation.

Automotive vs Aerospace: Applications of 43138X-43326 Bearing
In automotive systems, 43138X-43326 Bearing is often used in drivetrains, where its tapered rollers manage both radial and thrust loads effectively. The inch sizing simplifies compatibility with many US-made vehicles.

For aerospace ground support equipment, 43138X-43326 Bearing provides dependable performance in load-handling applications. Its temperature range and standard radial clearance make it versatile for various operational conditions.

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