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78238 Single Cones (Imperial)
78238 Single Cones (Imperial)

78238 Single Cones (Imperial)

The 78238 single cone is a tapered roller bearing with a 2.375-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 45600 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design and steel cage ensure easy maintenance and long service life. The bearing is interchangeable with Timken models, making it a practical choice for replacements.

With standard radial clearance and ABEC-1 rating, it offers reliable performance for industrial applications. Ideal for heavy machinery or automotive systems where combined loads are common.

Compliant with RoHS and REACH standards, it’s a safe and robust option for various engineering needs. The effective center location of 0.31″ helps maintain stability under load.

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Product Parameters

  • Part Number 78238
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 78238-78537 , 78238-78551 , 78238-78571
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 78000
  • Bore Dia 2.375"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 1.3085"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.2"
  • Cone Frontface Backing Diameter 3.1"
  • Cone Backface Backing Diameter 3.46"
  • Cage Cone Frontface Clearance 0.2"
  • Cage Cone Backface Clearance 0.24"
  • Effective Center Location 0.31"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 45600 lbf
  • Static Radial Load 43400 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 11800 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 79300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 17500 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 20600 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

Performance Features of 78238 Single Cones

78238 Single Cones are crafted from chrome steel, offering strong resistance to combined loads.
Their dynamic radial load capacity reaches 45,600 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains roller alignment, reducing wear and extending service life.
With a temperature range of -30° to 110°C, they perform well in various conditions.

How Is 78238 Single Cones Engineered for Reliability?

78238 Single Cones feature a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides durability, while the steel cage ensures smooth operation.
Their dynamic thrust rating of 17,500 lbf makes them suitable for demanding environments.
Available in standard radial clearance, they offer flexibility for different applications.

Built for Durability: 78238 Single Cones

78238 Single Cones are designed with precision to withstand high dynamic radial loads up to 45,600 lbf.
The single-row construction ensures stability and efficient load distribution.
They operate smoothly within a temperature range of -30° to 110°C, suitable for various industrial uses.
Their ABEC-1 rating guarantees consistent performance and reliability.

Steel vs Ceramic Bearings: Strengths of 78238 Single Cones

78238 Single Cones use chrome steel for rings and steel for the cage, balancing strength and cost-effectiveness.
They handle dynamic radial loads up to 45,600 lbf, making them ideal for heavy machinery.
The open seal type allows for easy inspection and maintenance.
With standard radial clearance options, they adapt to different operational needs.

Application

Industrial Uses of 78238 Single Cones
78238 Single Cones are commonly used in heavy machinery, such as construction equipment and mining gear, where they handle combined loads with ease. Their tapered roller design ensures reliable performance even in tough conditions.

In automotive applications, 78238 Single Cones work well in wheel hubs and differential systems, providing stability under varying loads. The inch sizing makes them a good fit for vehicles using imperial measurements.

For industrial fans and pumps, 78238 Single Cones offer durability and smooth operation. The chrome steel construction helps them withstand high temperatures and continuous use.

Where Is 78238 Single Cones Used?
You’ll often find 78238 Single Cones in agricultural machinery, like tractors and harvesters, where they support heavy axial and radial loads. Their open design allows for easy lubrication and maintenance.

In conveyor systems, 78238 Single Cones help keep things running smoothly by reducing friction. The steel cage adds extra strength, making them a dependable choice for long-term use.

Built for Heavy-Duty Use: 78238 Single Cones
78238 Single Cones are ideal for gearboxes in industrial settings, where their tapered rollers handle high stress efficiently. The standard radial clearance ensures consistent performance over time.

In railway applications, 78238 Single Cones provide reliable support for axle boxes. Their robust construction and ABEC-1 rating make them suitable for demanding environments.

Automotive vs Aerospace: Applications of 78238 Single Cones
In automotive systems, 78238 Single Cones are often used in drivetrains, offering a balance of strength and precision. Their inch measurements align with many US-made vehicle components.

For aerospace ground equipment, 78238 Single Cones handle heavy loads in tow tractors and loading systems. The chrome steel rings ensure durability under frequent use.

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