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TS (Single Row Tapered Roller Bearings) (Imperial) 78238-78537

TS (Single Row Tapered Roller Bearings) (Imperial) 78238-78537

The 78238-78537 is a single-row tapered roller bearing with a 2.375″ bore and 5.375″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 45600 lbf radially and 17500 lbf thrust, making it versatile for heavy-duty use.

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

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery or vehicle applications where combined loads are common.

Weighing 5.1 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

The standard radial clearance can be adjusted to C3, C4, or C5 if needed. Its tapered rollers provide stable performance under varying load conditions.

Suitable for applications like gearboxes or axle systems, where durability and load capacity are key. The ABEC-1 rating ensures consistent performance for general industrial use.

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Product Parameters

  • Part Number 78238-78537
  • Brand TFL
  • Interchangeable Timken
  • Size 2.375" x 5.375" x 1.4375"
  • Bore Dia 2.375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.375"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.3085"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.926"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.4375"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.2"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 3.1"
  • Cone Backface Backing Diameter 3.46"
  • Cup Frontface Backing Diameter 5.16"
  • Cup Backface Backing Diameter 4.53"
  • Cage Cone Frontface Clearance 0.2"
  • Cage Cone Backface Clearance 0.24"
  • Effective Center Location 0.31"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 78238
  • Cup Part Number 78537
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 78000
  • Ring Material Chrome Steel
  • Roller 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 Thrust Rating(90 Million Revolutions)(Ca90) 17500 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 5.1 lb

Features

How Is 78238-78537 Bearing Engineered for Reliability?

78238-78537 Bearing features chrome steel rings and rollers, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 45,600 lbf, making it suitable for heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and wear over time.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

Structural Advantages of 78238-78537 Bearing

78238-78537 Bearing’s single-row tapered roller design provides efficient load distribution.
The standard radial clearance allows for smooth operation in diverse applications.
Its chrome steel construction resists wear, extending the bearing’s service life.
The open seal type simplifies maintenance while ensuring reliable performance.

Why Choose 78238-78537 Bearing for Precision Tasks?

78238-78537 Bearing offers precise alignment with its tapered roller design.
The effective center location of 0.31″ ensures stable operation under combined loads.
Its ABEC-1 rating guarantees consistent performance in industrial applications.
The bearing’s standard lubrication requirement keeps it running smoothly with minimal upkeep.

Designed for Durability: 78238-78537 Bearing

78238-78537 Bearing’s chrome steel components resist wear in demanding environments.
The dynamic thrust rating of 17,500 lbf ensures reliable performance under heavy loads.
Its steel cage enhances stability, reducing vibration during operation.
With a weight of 5.1 lb, it balances strength and practicality for industrial use.

Application

Industrial Uses of 78238-78537 Bearing
78238-78537 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 78238-78537 Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high stress. Its imperial sizing makes it a straightforward replacement for Timken equivalents.

For industrial conveyor systems, 78238-78537 Bearing’s open design simplifies lubrication and maintenance, reducing downtime. The standard radial clearance offers flexibility for various operational needs.

Where Is 78238-78537 Bearing Used?
78238-78537 Bearing is a go-to choice for mining equipment, where its robust build withstands extreme loads and harsh conditions. The steel cage adds extra resilience against impact and wear.

In railway applications, 78238-78537 Bearing supports axle boxes, ensuring smooth and stable movement. Its ABEC-1 rating balances precision and cost-effectiveness for these high-mileage scenarios.

Built for Heavy-Duty Use: 78238-78537 Bearing
78238-78537 Bearing excels in forestry machinery, handling uneven loads and vibrations with ease. The tapered rollers distribute stress evenly, prolonging service life.

For oil and gas equipment, 78238-78537 Bearing’s temperature tolerance (-30° to 110°C) makes it suitable for both Arctic and desert operations. Regular lubrication keeps it running smoothly.

Automotive vs Aerospace: Applications of 78238-78537 Bearing
In automotive settings, 78238-78537 Bearing is ideal for drivetrain components, offering a balance of strength and affordability. Its compatibility with Timken parts simplifies sourcing.

For aerospace ground support equipment, 78238-78537 Bearing provides reliable performance without the need for specialised materials. The inch measurements align with many US-made systems.

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