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TS (Single Row Tapered Roller Bearings) (Imperial) 78225-78537

TS (Single Row Tapered Roller Bearings) (Imperial) 78225-78537

The 78225-78537 is a single-row tapered roller bearing with a 2.25″ bore and 5.375″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 45600 lbf radially and 17500 lbf thrust-wise, 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 5.3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments.

The standard radial clearance ensures easy installation, while the ABEC-1 rating guarantees consistent performance. Suitable for moderate-speed applications requiring durability and reliability.

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Product Parameters

  • Part Number 78225-78537
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 5.375" x 1.4375"
  • Bore Dia 2.25"
  • 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 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 3.03"
  • Cone Backface Backing Diameter 3.27"
  • 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 78225
  • 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 5.3 lb

Features

Performance Features of 78225-78537 Bearing

78225-78537 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 45,600 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing friction.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 78225-78537 Bearing Reduce Friction?

78225-78537 Bearing features a tapered roller design that minimises friction during operation.
The chrome steel construction and precise tolerances ensure smooth performance under combined loads.
Its effective centre location of 0.31″ helps distribute loads evenly, reducing wear.
Regular lubrication further enhances its efficiency and extends service life.

Built for Reliability: 78225-78537 Bearing

78225-78537 Bearing’s single-row construction provides stability and consistent performance.
The standard radial clearance options allow for flexibility in different applications.
With a static radial load capacity of 43,400 lbf, it handles demanding conditions with ease.
Its ABEC-1 rating ensures dependable precision for industrial use.

Application

Common Applications of 78225-78537 Bearing
78225-78537 Bearing is widely used in industrial machinery, especially in heavy-duty equipment like gearboxes and conveyor systems. Its tapered roller design handles combined loads efficiently, making it suitable for demanding environments.

In automotive applications, 78225-78537 Bearing is often found in wheel hubs and differential systems. The chrome steel construction ensures durability, while the imperial sizing fits seamlessly into American vehicle designs.

For construction equipment, 78225-78537 Bearing provides reliable performance in excavators and cranes. The open design allows for easy lubrication, extending the bearing’s lifespan in harsh conditions.

Where Is 78225-78537 Bearing Used?
78225-78537 Bearing is a go-to choice for agricultural machinery, such as tractors and harvesters. Its ability to handle both radial and thrust loads makes it versatile for farming applications.

In mining equipment, 78225-78537 Bearing excels under extreme loads and rough conditions. The steel cage and chrome steel rollers ensure long-lasting performance even in abrasive environments.

Built for Heavy-Duty Use: 78225-78537 Bearing
78225-78537 Bearing is ideal for railway applications, particularly in axle boxes and bogies. The tapered roller design distributes loads evenly, reducing wear and tear over time.

In marine equipment, 78225-78537 Bearing withstands corrosive conditions while maintaining smooth operation. The standard radial clearance options make it adaptable to various marine machinery needs.

Automotive vs Aerospace: Applications of 78225-78537 Bearing
78225-78537 Bearing is commonly used in automotive drivetrains, where its robust design handles high torque and variable loads. The ABEC-1 rating ensures consistent performance for everyday driving.

In aerospace, 78225-78537 Bearing is less common but finds niche uses in ground support equipment. Its imperial sizing and load capacity make it suitable for specific aerospace maintenance tools.

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