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TS (Single Row Tapered Roller Bearings) (Imperial) 78225C-78551

TS (Single Row Tapered Roller Bearings) (Imperial) 78225C-78551

The 78225C-78551 is a single-row tapered roller bearing with a 2.25″ bore and 5.513″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 53200 lbf radial and 20400 lbf thrust, making it a versatile choice for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly in temperatures ranging from -30°C to 110°C, suitable for various industrial environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for use in gearboxes, axles, or machinery where both radial and thrust loads are present.

Weighing 5.9 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, ensuring safe and eco-friendly use.

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Product Parameters

  • Part Number 78225C-78551
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 5.513" x 1.4375"
  • Bore Dia 2.25"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.513"
  • 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 0.090"
  • Cone Frontface Backing Diameter 3.05"
  • Cone Backface Backing Diameter 3.39"
  • Cup Frontface Backing Diameter 5.22"
  • Cup Backface Backing Diameter 4.61"
  • 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 78225C
  • Cup Part Number 78551
  • 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 5.9 lb

Features

How Is 78225C-78551 Bearing Engineered for Reliability?

78225C-78551 Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 53,200 lbf, making it suitable for heavy-duty applications.

The tapered roller design distributes loads evenly, reducing stress and extending service life.
With a standard radial clearance, it offers reliable performance in various operating conditions.

78225C-78551 Bearing operates within a temperature range of -30° to 110°C, adapting to different environments.
Its steel cage maintains roller alignment, ensuring smooth operation and reduced wear.

The open design simplifies lubrication, helping to maintain optimal performance over time.
Weighing just 5.9 lb, it balances robustness with ease of handling.

Application

Industrial Uses of 78225C-78551 Bearing
78225C-78551 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in demanding environments.

In automotive applications, 78225C-78551 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial gearboxes, 78225C-78551 Bearing’s open design allows for easy lubrication, extending service life in high-speed operations. The steel cage adds stability, reducing wear over time.

Where Is 78225C-78551 Bearing Used?
78225C-78551 Bearing can be found in agricultural machinery, supporting components like PTO shafts that require robust load handling. Its standard radial clearance offers flexibility for different operating conditions.

In mining equipment, 78225C-78551 Bearing’s tapered rollers manage heavy radial and axial loads, ensuring smooth operation in harsh conditions. The ABEC-1 rating provides sufficient precision for most industrial needs.

Built for Heavy-Duty Use: 78225C-78551 Bearing
78225C-78551 Bearing excels in conveyor systems, where its combined load capacity keeps operations running smoothly. The chrome steel rollers resist wear, even under constant use.

For forestry machinery, 78225C-78551 Bearing’s sturdy design handles shocks and vibrations effectively. Its temperature range suits both cold and moderately hot environments.

Automotive vs Aerospace: Applications of 78225C-78551 Bearing
In automotive settings, 78225C-78551 Bearing is ideal for drivetrain components, offering reliable performance under stress. Its inch measurements align with standard automotive designs.

While not typically used in aerospace, 78225C-78551 Bearing’s precision makes it suitable for ground support equipment. The steel cage ensures stability during repetitive use.

Q&A

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