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TS (Single Row Tapered Roller Bearings) (Imperial) 78225-78571

TS (Single Row Tapered Roller Bearings) (Imperial) 78225-78571

The 78225-78571 is a single-row tapered roller bearing with a 2.25″ 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 easy lubrication, while the steel cage ensures durability under heavy use. 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 automotive systems where combined loads are common.

Weighing 6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets environmental and safety requirements.

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Product Parameters

  • Part Number 78225-78571
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 5.708" x 1.4173"
  • Bore Dia 2.25"
  • 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 0.14"
  • Cup Backface ToClear Radius 0.140"
  • Cone Frontface Backing Diameter 3.03"
  • Cone Backface Backing Diameter 3.27"
  • 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 78225
  • 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 6 lb

Features

Performance Features of 78225-78571 Bearing

78225-78571 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 45,600 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains proper roller alignment, reducing friction and wear.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

How Is 78225-78571 Bearing Engineered for Reliability?

78225-78571 Bearing features a single-row tapered roller design, ideal for handling combined radial and thrust loads.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its effective center location of 0.31″ provides stability under load.
Lubrication is required to maintain optimal performance over time.

Built for Durability: 78225-78571 Bearing

78225-78571 Bearing’s chrome steel rollers and rings are designed to withstand high dynamic and static loads.
The steel cage ensures proper roller spacing, minimising wear and extending service life.
With a static radial load capacity of 43,400 lbf, it is suitable for demanding industrial applications.
The open seal type allows for easy lubrication and maintenance.

Steel vs Ceramic Bearings: Strengths of 78225-78571 Bearing

78225-78571 Bearing uses chrome steel for both rollers and rings, providing excellent strength and durability.
Its tapered roller design efficiently handles combined loads, making it versatile for various applications.
The steel cage offers reliable performance under heavy loads and high speeds.
With an ABEC-1 rating, it ensures consistent precision in operation.

Application

Industrial Uses of 78225-78571 Bearing
78225-78571 Bearing is commonly used in heavy machinery like construction equipment and mining drills, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 78225-78571 Bearing supports wheel hubs and differential systems, providing reliable performance under high stress. Its imperial sizing makes it a straightforward replacement for Timken bearings in older vehicles.

For industrial conveyor systems, 78225-78571 Bearing’s open design simplifies lubrication and maintenance, reducing downtime. The standard radial clearance offers flexibility for various operational needs.

Where Is 78225-78571 Bearing Used?
78225-78571 Bearing fits well in agricultural machinery, such as tractors and harvesters, where its robust design withstands dirt and debris. The steel cage adds extra strength for long-term use.

In manufacturing plants, 78225-78571 Bearing is often found in gearboxes and pulleys, ensuring smooth rotation under heavy loads. Its ABEC-1 rating balances precision and cost for general industrial use.

Built for Heavy-Duty Use: 78225-78571 Bearing
78225-78571 Bearing excels in forestry equipment like log splitters, where its tapered rollers manage uneven loads effortlessly. The wide temperature range suits outdoor operations in varying climates.

For railway applications, 78225-78571 Bearing supports axle boxes, offering stability and wear resistance. Its dynamic load capacity ensures reliable performance over long distances.

Automotive vs Aerospace: Applications of 78225-78571 Bearing
In automotive systems, 78225-78571 Bearing is ideal for drivetrain components, handling both radial and thrust loads efficiently. The inch measurements align with many US-made vehicle specs.

For aerospace ground equipment, 78225-78571 Bearing aids in maintenance tools and loading systems, where its durability meets frequent use demands. The chrome steel rollers resist wear in high-friction scenarios.

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