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TS (Single Row Tapered Roller Bearings) (Imperial) 2879-2821

TS (Single Row Tapered Roller Bearings) (Imperial) 2879-2821

The 2879-2821 is a single-row tapered roller bearing with a 1.25″ bore and 2.875″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 16400 lbf radially and 2690 lbf thrust, 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 machinery like gearboxes or axles where combined loads are common.

Weighing just 1 lb, it’s lightweight yet robust for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 2879-2821
  • Brand TFL
  • Interchangeable Timken
  • Size 1.25" x 2.875" x 0.8751"
  • Bore Dia 1.25"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.875"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.9375"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.6875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8751"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 1.52"
  • Cone Backface Backing Diameter 1.56"
  • Cup Frontface Backing Diameter 2.72"
  • Cup Backface Backing Diameter 2.56"
  • Cage Cone Frontface Clearance 0.05"
  • Cage Cone Backface Clearance 0"
  • Effective Center Location -0.22"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 2879
  • Cup Part Number 2821
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 2800
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 16400 lbf
  • Static Radial Load 18800 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 4260 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2690 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 1 lb

Features

Performance Features of 2879-2821 Bearing

2879-2821 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 16,400 lbf, making it suitable for heavy-duty applications.

The single-row tapered roller design ensures smooth operation and efficient load distribution.
With a standard radial clearance, it provides reliable performance in various conditions.

2879-2821 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
The steel cage maintains roller alignment, reducing wear and extending service life.

Lubrication is required for optimal performance, but maintenance intervals are reasonable.
This bearing is interchangeable with Timken models, offering flexibility in replacements.

Application

Industrial Uses of 2879-2821 Bearing
The 2879-2821 Bearing is a solid choice for heavy machinery like construction equipment, where its tapered roller design handles combined loads effortlessly.
Its chrome steel construction ensures durability even in demanding environments, making it reliable for long-term use.

Where Is 2879-2821 Bearing Used?
You’ll often find the 2879-2821 Bearing in automotive applications, particularly in wheel hubs and differential systems.
Its inch sizing and compatibility with Timken models make it a versatile option for various vehicle types.

Built for Heavy-Duty Use: 2879-2821 Bearing
The 2879-2821 Bearing excels in industrial gearboxes, thanks to its ability to manage both radial and thrust loads.
With a standard radial clearance, it’s easy to maintain and fits seamlessly into existing systems.

Automotive vs Aerospace: Applications of 2879-2821 Bearing
In automotive settings, the 2879-2821 Bearing supports high-load components like axles, ensuring smooth performance.
While not typically used in aerospace, its precision and strength make it suitable for heavy industrial machinery.

Practical Applications of 2879-2821 Bearing
For conveyor systems, the 2879-2821 Bearing offers reliable performance under constant movement and load.
Its steel cage and chrome steel rollers provide excellent wear resistance, reducing downtime for maintenance.

Q&A

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