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

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

The 78214C-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 53200 lbf radial and 20400 lbf thrust, making it versatile for heavy-duty use.

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.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for applications like truck axles or industrial gearboxes where combined loads are common.

Weighing 6.1 lb, it’s built to last while maintaining a manageable size. Compliant with RoHS and REACH standards for safe and sustainable use.

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Product Parameters

  • Part Number 78214C-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 3.05"
  • Cone Backface Backing Diameter 3.11"
  • 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 78214C
  • 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 6.1 lb

Features

Performance Features of 78214C-78551 Bearing

78214C-78551 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 53,200 lbf, ensuring reliable performance in heavy-duty applications.

The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.

78214C-78551 Bearing requires lubrication, but its robust design minimises maintenance needs.
The standard radial clearance allows for smooth operation under different load conditions.

Application

Industrial Uses of 78214C-78551 Bearing
78214C-78551 Bearing is commonly used in heavy machinery, such as construction equipment and mining gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

Where Is 78214C-78551 Bearing Used?
In automotive applications, 78214C-78551 Bearing supports axles and wheel hubs, providing reliable performance under both radial and thrust loads. Its inch sizing makes it a good fit for American and British vehicle models.

Built for Heavy-Duty Use: 78214C-78551 Bearing
78214C-78551 Bearing excels in industrial fans and pumps, where its open design allows for easy lubrication and maintenance. The steel cage adds stability, making it suitable for high-speed operations.

Automotive vs Aerospace: Applications of 78214C-78551 Bearing
78214C-78551 Bearing is versatile enough for automotive drivetrains and aerospace landing gear, thanks to its robust design. The standard radial clearance ensures smooth performance across different temperature ranges.

Key Fields for 78214C-78551 Bearing
78214C-78551 Bearing is a reliable choice for agricultural machinery, where its tapered rollers handle uneven loads with ease. The ABEC-1 rating balances precision and cost-effectiveness for farming equipment.

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