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43138X Single Cones (Imperial)

43138X Single Cones (Imperial)

The 43138X single cone is a tapered roller bearing with a 1.378-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 17500 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design allows easy maintenance, while the steel cage ensures reliable performance. The bearing is part of the 43000 series and is interchangeable with Timken models, making it a practical choice for replacements.

With standard radial clearance and ABEC-1 rating, it suits applications like heavy machinery or vehicle axles where combined loads are common. Compliant with RoHS and REACH standards, it’s a safe and sturdy option for industrial use.

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Product Parameters

  • Part Number 43138X
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 43138X-43300 , 43138X-43312 , 43138X-43326
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 43000
  • Bore Dia 1.378"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 0.9166"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.14"
  • Cone Frontface Backing Diameter 1.65"
  • Cone Backface Backing Diameter 2.05"
  • Cage Cone Frontface Clearance 0.13"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.05"
  • Ring 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 Radial Rating(Two Row 1 Million Revolutions)(C1) 30400 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5170 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 7880 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

How Is 43138X Bearing Engineered for Reliability?

43138X Bearing features a tapered roller design, providing strong resistance to combined loads.
Its chrome steel construction ensures durability, even under dynamic radial loads up to 17,500 lbf.

The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

43138X Bearing’s standard radial clearance allows for smooth operation in most applications.
Its ABEC-1 rating ensures consistent precision for industrial and automotive uses.

Application

Industrial Uses of 43138X Bearing
43138X Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in demanding environments.

Where Is 43138X Bearing Used?
You’ll often find 43138X Bearing in automotive applications like truck wheel hubs, where its high dynamic radial load capacity supports smooth performance. Its inch sizing makes it a fit for many North American vehicles.

Built for Heavy-Duty Use: 43138X Bearing
43138X Bearing excels in industrial gearboxes, thanks to its steel cage and open design, which allow for easy lubrication and maintenance. The standard radial clearance options provide flexibility for different operational needs.

Automotive vs Aerospace: Applications of 43138X Bearing
In automotive systems, 43138X Bearing is ideal for axles and transmissions, while its robust design also suits aerospace landing gear components. The temperature range ensures reliability in varied conditions.

Essential Roles of 43138X Bearing
43138X Bearing plays a key role in agricultural machinery, such as tractors, where its tapered rollers manage heavy radial and thrust loads. The ABEC-1 rating balances precision and cost-effectiveness for these applications.

Q&A

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