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TS (Single Row Tapered Roller Bearings) (Imperial) 2877-2821

TS (Single Row Tapered Roller Bearings) (Imperial) 2877-2821

The 2877-2821 is a single-row tapered roller bearing with a 1.375″ bore and 2.875″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 16400 lbf radially and 2690 lbf thrust, suitable for various industrial uses.

Its open design simplifies lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for applications like automotive axles or heavy machinery where combined loads are common.

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

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Product Parameters

  • Part Number 2877-2821
  • Brand TFL
  • Interchangeable Timken
  • Size 1.375" x 2.875" x 0.8751"
  • 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 0.8751"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 1.61"
  • Cone Backface Backing Diameter 1.87"
  • Cup Frontface Backing Diameter 2.72"
  • Cup Backface Backing Diameter 2.56"
  • 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 2877
  • 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

Engineered for Precision: 2877-2821 Bearing

2877-2821 Bearing features a single row tapered roller design, ideal for handling combined radial and thrust loads.
Its chrome steel construction ensures durability and reliable performance in various applications.

The bearing’s dynamic radial load capacity reaches 16,400 lbf, making it suitable for demanding conditions.
With a standard radial clearance, it offers flexibility for different operational needs.

2877-2821 Bearing operates within a temperature range of -30° to 110°C, ensuring stability in diverse environments.
Its steel cage maintains roller alignment, reducing wear and extending service life.

The open seal design simplifies maintenance while the ABEC-1 rating guarantees consistent precision.
This bearing is interchangeable with Timken models, providing convenience for replacements.

Application

Industrial Uses of 2877-2821 Bearing
2877-2821 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where combined loads are frequent. Its tapered roller design handles both radial and thrust forces efficiently.
The chrome steel construction ensures durability in tough conditions, while the open seal allows for easy lubrication. This makes it a reliable choice for long-term use in demanding environments.

What Makes 2877-2821 Bearing a Preferred Choice?
In automotive applications, 2877-2821 Bearing fits well in wheel hubs and differential systems, providing smooth performance under varying loads. Its inch sizing is compatible with many North American vehicle models.
The steel cage adds strength, ensuring stability even at high speeds. It’s a practical option for mechanics looking for dependable performance.

Built for Heavy-Duty Use: 2877-2821 Bearing
For industrial fans and pumps, 2877-2821 Bearing offers reliable support with its robust design. The standard radial clearance adapts well to thermal expansion during operation.
Its ABEC-1 rating ensures consistent precision, making it suitable for general machinery where moderate tolerances are acceptable. Easy maintenance adds to its appeal.

Automotive vs Aerospace: Applications of 2877-2821 Bearing
In automotive settings, 2877-2821 Bearing excels in transmissions and axles, handling combined loads with ease. The inch measurements simplify replacements in older vehicles.
While not typically used in aerospace, its durability makes it a backup option for ground support equipment. The temperature range suits most temperate climates.

Key Fields for 2877-2821 Bearing
2877-2821 Bearing is ideal for conveyor systems in mining, where dust and debris are common. The open design allows for regular cleaning and re-greasing.
Its static radial load capacity ensures stability during sudden stops or heavy loads. A straightforward choice for industrial maintenance teams.

Q&A

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