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TS (Single Row Tapered Roller Bearings) (Imperial) 78250-78571

TS (Single Row Tapered Roller Bearings) (Imperial) 78250-78571

The 78250-78571 is a single-row tapered roller bearing with a 2.5″ bore and 5.708″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 45600 lbf radially and 17500 lbf thrust, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. 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 industrial machinery or automotive systems where combined loads are common.

Weighing 5.7 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number 78250-78571
  • Brand TFL
  • Interchangeable Timken
  • Size 2.5" x 5.708" x 1.4173"
  • Bore Dia 2.5"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.708"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.3085"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9058"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.4173"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.140"
  • Cone Frontface Backing Diameter 3.75"
  • Cone Backface Backing Diameter 3.35"
  • Cup Frontface Backing Diameter 5.22"
  • Cup Backface Backing Diameter 4.65"
  • 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 78250
  • Cup Part Number 78571
  • 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 5.7 lb

Features

Structural Advantages of 78250-78571 Bearing

78250-78571 Bearing features a single row tapered roller design, ideal for handling combined radial and thrust loads.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.

The bearing’s dynamic radial load capacity reaches 45,600 lbf, making it suitable for heavy-duty machinery.
With a standard radial clearance, it offers reliable performance across various operating conditions.

78250-78571 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility in different environments.
Its steel cage maintains roller alignment, contributing to smooth and efficient operation.

Application

Industrial Uses of 78250-78571 Bearing
78250-78571 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 78250-78571 Bearing Used?
You’ll often find 78250-78571 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for older or custom-built vehicles.

Built for Heavy-Duty Use: 78250-78571 Bearing
78250-78571 Bearing excels in industrial fans and pumps, thanks to its robust steel cage and high dynamic load capacity. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 78250-78571 Bearing
In automotive settings, 78250-78571 Bearing supports axle assemblies, while in aerospace, it’s used in auxiliary systems. Its ABEC-1 rating ensures consistent performance across different industries.

What Makes 78250-78571 Bearing a Preferred Choice?
78250-78571 Bearing is a go-to for conveyor systems, where its tapered rollers manage radial and thrust loads smoothly. The standard radial clearance options make it adaptable to various operational needs.

Q&A

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