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TS (Single Row Tapered Roller Bearings) (Imperial) 78250AC-78537

TS (Single Row Tapered Roller Bearings) (Imperial) 78250AC-78537

The 78250AC-78537 is a single-row tapered roller bearing with a 2.5″ bore and 5.375″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 53200 lbf radial and 20400 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, offering a reliable replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 5.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 78250AC-78537
  • Brand TFL
  • Interchangeable Timken
  • Size 2.5" x 5.375" x 1.4375"
  • Bore Dia 2.5"
  • 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 3.7"
  • Cone Backface Backing Diameter 3.66"
  • Cup Frontface Backing Diameter 5.16"
  • Cup Backface Backing Diameter 4.53"
  • Cage Cone Frontface Clearance 0.21"
  • Cage Cone Backface Clearance 0.22"
  • Effective Center Location 0.33"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 78250AC
  • 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 78000C
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 53200 lbf
  • Static Radial Load 52600 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 13800 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 20400 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 5.2 lb

Features

How Does 78250AC-78537 Bearing Handle Combined Loads?

78250AC-78537 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 53,200 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

Structural Advantages of 78250AC-78537 Bearing

78250AC-78537 Bearing features a single-row tapered roller design, optimised for combined load applications.
The chrome steel construction enhances durability while the open seal type allows for easy lubrication.
Its standard radial clearance ensures smooth operation under varying load conditions.
The bearing’s effective centre location of 0.33″ contributes to stable performance.

Engineered for Precision: 78250AC-78537 Bearing

78250AC-78537 Bearing’s tapered roller design provides precise load distribution across its contact surfaces.
The chrome steel components resist wear, maintaining accuracy over extended periods of use.
With an ABEC-1 rating, it delivers consistent performance for industrial applications.
Its standard cup type simplifies installation in various machinery configurations.

Application

Industrial Uses of 78250AC-78537 Bearing
78250AC-78537 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 tough working conditions.
In automotive applications, 78250AC-78537 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a preferred choice for North American vehicle models.

Where Is 78250AC-78537 Bearing Used?
You’ll often find 78250AC-78537 Bearing in agricultural machinery, like tractors and harvesters, where its robust design withstands dusty and high-load environments. The open seal type allows for easy lubrication and maintenance.
It’s also suitable for industrial gearboxes, ensuring smooth operation and long service life even under continuous use. The standard radial clearance offers flexibility for different installation requirements.

Built for Heavy-Duty Use: 78250AC-78537 Bearing
78250AC-78537 Bearing excels in applications like conveyor systems and material handling equipment, where its dynamic load capacity keeps things running smoothly. The steel cage adds extra strength to handle demanding conditions.
For railway applications, this bearing supports axles and wheels, offering stability and reducing wear over time. Its temperature range makes it adaptable to various climates and operating environments.

Automotive vs Aerospace: Applications of 78250AC-78537 Bearing
In automotive settings, 78250AC-78537 Bearing is ideal for drivetrain components, balancing radial and thrust loads efficiently. Its ABEC-1 rating ensures consistent performance without over-engineering.
For aerospace ground equipment, this bearing provides reliable support in landing gear systems and cargo loaders. The inch measurements align well with standard aerospace maintenance practices.

Key Fields for 78250AC-78537 Bearing
78250AC-78537 Bearing is a go-to choice for wind turbine yaw systems, where its tapered rollers manage directional changes smoothly. The chrome steel rollers resist wear even in high-wind conditions.
In marine applications, it’s used in propeller shafts and deck machinery, thanks to its corrosion-resistant materials and robust load-handling capabilities. The standard lubrication requirement simplifies maintenance routines.

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