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TS (Single Row Tapered Roller Bearings) (Imperial) 2878-2820

TS (Single Row Tapered Roller Bearings) (Imperial) 2878-2820

The 2878-2820 is a single-row tapered roller bearing with a 1.375″ 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 easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for demanding environments.

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. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use.

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Product Parameters

  • Part Number 2878-2820
  • Brand TFL
  • Interchangeable Timken
  • Size 1.375" x 2.875" x 0.875"
  • Bore Dia 1.375"
  • 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 0.875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.61"
  • Cone Backface Backing Diameter 1.65"
  • Cup Frontface Backing Diameter 2.72"
  • Cup Backface Backing Diameter 2.48"
  • Cage Cone Frontface Clearance 0.12"
  • Cage Cone Backface Clearance 0.03"
  • Effective Center Location -0.22"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 2878
  • Cup Part Number 2820
  • 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 2878-2820 Bearing

2878-2820 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 steel cage ensures proper roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 2878-2820 Bearing Engineered for Reliability?

2878-2820 Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides excellent wear resistance, ensuring a long service life.
Its standard radial clearance allows for smooth operation in most industrial applications.
The bearing requires lubrication, but its robust design minimises maintenance needs.

Built for Durability: 2878-2820 Bearing

2878-2820 Bearing’s single-row construction ensures stability under heavy combined loads.
The precise tolerances on bore and outer diameters guarantee a perfect fit in assemblies.
With an ABEC-1 rating, it delivers consistent performance for general industrial use.
The bearing’s steel cage maintains roller position, preventing misalignment during operation.

Steel vs Ceramic Bearings: Strengths of 2878-2820 Bearing

2878-2820 Bearing uses chrome steel for both rings and rollers, offering excellent strength-to-weight ratio.
This material choice provides better impact resistance compared to ceramic alternatives in heavy-load scenarios.
The bearing’s 18,800 lbf static radial load capacity makes it reliable for stationary applications.
Its standard width of 0.875″ ensures compatibility with various industrial equipment designs.

Application

Industrial Uses of 2878-2820 Bearing
The 2878-2820 Bearing is a reliable choice for heavy machinery, such as construction equipment and agricultural gear, where combined radial and thrust loads are common. Its chrome steel construction ensures durability even in tough working conditions.

What Makes 2878-2820 Bearing a Preferred Choice?
With its tapered roller design, 2878-2820 Bearing handles high loads efficiently, making it ideal for automotive applications like wheel hubs and differentials. The inch sizing also makes it compatible with many North American machinery standards.

Built for Heavy-Duty Use: 2878-2820 Bearing
In industrial settings like conveyor systems, 2878-2820 Bearing’s open design allows for easy lubrication, extending its service life. The steel cage adds extra strength, ensuring smooth operation under continuous stress.

Automotive vs Aerospace: Applications of 2878-2820 Bearing
While 2878-2820 Bearing is often used in truck axles and heavy vehicles, its precision also suits aerospace components requiring dependable load support. The ABEC-1 rating ensures consistent performance across different environments.

Perfect Fit for Automation: 2878-2820 Bearing
In automated production lines, 2878-2820 Bearing’s tapered rollers provide stability for robotic arms and assembly systems. Its standard radial clearance options allow for flexibility in various mechanical setups.

Q&A

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