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TS (Single Row Tapered Roller Bearings) (Imperial) 78214-78551

TS (Single Row Tapered Roller Bearings) (Imperial) 78214-78551

The 78214-78551 is a single-row tapered roller bearing with a 2.125″ bore and 5.513″ 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. The bearing operates smoothly in temperatures ranging from -30°C to 110°C, suitable for demanding environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy-duty machinery, gearboxes, or industrial equipment where combined loads are common.

Weighing 5.8 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 78214-78551
  • Brand TFL
  • Interchangeable Timken
  • Size 2.125" x 5.513" x 1.4375"
  • Bore Dia 2.125"
  • 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 0.03"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 3.03"
  • Cone Backface Backing Diameter 2.95"
  • Cup Frontface Backing Diameter 5.22"
  • Cup Backface Backing Diameter 4.61"
  • 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 78214
  • 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 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 5.8 lb

Features

Performance Features of 78214-78551 Bearing

78214-78551 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 single-row tapered roller design ensures smooth operation and efficient load distribution.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

Steel cage construction keeps the rollers aligned, reducing wear and extending service life.
The standard radial clearance allows for flexibility in different operating conditions.

Lubrication is required for optimal performance, ensuring long-lasting reliability.
Its ABEC-1 rating provides consistent precision for industrial applications.

Application

Industrial Uses of 78214-78551 Bearing
78214-78551 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.

What Makes 78214-78551 Bearing a Preferred Choice?
In automotive applications, 78214-78551 Bearing fits well in wheel hubs and differential systems, thanks to its precise imperial sizing. The open design allows for easy lubrication, extending its service life.

Built for Heavy-Duty Use: 78214-78551 Bearing
For industrial fans and pumps, 78214-78551 Bearing offers reliable performance with its standard radial clearance. The steel cage adds strength, making it suitable for continuous operation.

Automotive vs Aerospace: Applications of 78214-78551 Bearing
While 78214-78551 Bearing excels in truck transmissions, its ABEC-1 rating also makes it a fit for less critical aerospace components. The temperature range ensures stability in varied conditions.

Key Fields for 78214-78551 Bearing
78214-78551 Bearing is ideal for conveyor systems in mining, where its dynamic radial load capacity shines. The inch measurements simplify replacements in older machinery.

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