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TS (Single Row Tapered Roller Bearings) (Imperial) 26881-26821

TS (Single Row Tapered Roller Bearings) (Imperial) 26881-26821

The 26881-26821 is a single-row tapered roller bearing with a 1.5625″ bore and 3.1562″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 20500 lbf radially and 2900 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 use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing 1.4 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 26881-26821
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5625" x 3.1562" x 1.1564"
  • Bore Dia 1.5625"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.1562"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9688"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1564"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.79"
  • Cone Backface Backing Diameter 2.05"
  • Cup Frontface Backing Diameter 2.94"
  • Cup Backface Backing Diameter 2.68"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.29"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 26881
  • Cup Part Number 26821
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 26800
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 20500 lbf
  • Static Radial Load 24800 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5310 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2900 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 1.400 lb

Features

Performance Features of 26881-26821 Bearing

26881-26821 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 20,500 lbf, ensuring reliable performance in various applications.
The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in diverse operating conditions.

How Does 26881-26821 Bearing Handle Combined Loads?

26881-26821 Bearing features a tapered roller design, optimised for both radial and thrust loads.
The chrome steel construction provides durability, while the steel cage ensures smooth operation.
Its dynamic thrust rating of 2,900 lbf makes it suitable for demanding environments.
The standard radial clearance allows for flexibility in different applications.

Engineered for Precision: 26881-26821 Bearing

26881-26821 Bearing is designed with precise tolerances, ensuring accurate performance.
The single row construction simplifies installation while maintaining high load capacity.
Its effective center location of -0.29″ enhances stability during operation.
The open seal type allows for easy lubrication and maintenance.

Steel vs Ceramic Bearings: Strengths of 26881-26821 Bearing

26881-26821 Bearing uses chrome steel for both rings and rollers, providing excellent durability.
The steel cage design ensures reliable performance under heavy loads.
With a static radial load of 24,800 lbf, it outperforms many alternatives.
The ABEC-1 rating guarantees consistent precision in various applications.

Application

Industrial Uses of 26881-26821 Bearing
26881-26821 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 tough working conditions.

In automotive applications, 26881-26821 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a straightforward replacement for Timken bearings in many vehicles.

For industrial conveyor systems, 26881-26821 Bearing offers smooth operation thanks to its standard radial clearance and robust steel cage. The open design simplifies lubrication, which is essential for continuous use.

Where Is 26881-26821 Bearing Used?
You’ll often find 26881-26821 Bearing in mining equipment, where its ability to handle both radial and thrust loads is crucial. The ABEC-1 rating ensures consistent performance without overcomplicating precision needs.

In manufacturing plants, this bearing supports machinery like presses and rollers, where its dynamic load capacity keeps operations running smoothly. The temperature range also makes it suitable for both indoor and outdoor use.

Built for Heavy-Duty Use: 26881-26821 Bearing
26881-26821 Bearing excels in applications like forestry machinery, where dirt and debris are common. Its steel cage and chrome steel rollers resist wear, extending service life.

The bearing’s effective center location helps maintain alignment in gearboxes, reducing vibration and noise. This makes it a practical choice for power transmission systems.

Automotive vs Aerospace: Applications of 26881-26821 Bearing
In automotive settings, 26881-26821 Bearing is ideal for axles and transmissions, balancing load capacity and size. The imperial measurements align with many North American vehicle standards.

For aerospace ground equipment, this bearing supports heavy loads in tow tractors and cargo loaders. Its temperature tolerance ensures reliability in varying weather conditions.

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