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TS (Single Row Tapered Roller Bearings) (Imperial) 25877A-25820

TS (Single Row Tapered Roller Bearings) (Imperial) 25877A-25820

The 25877A-25820 is a single-row tapered roller bearing with a 1.375″ bore and 2.875″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 19100 lbf radially and 2460 lbf thrust, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for use in wheel hubs or gearboxes where combined loads are common.

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

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Product Parameters

  • Part Number 25877A-25820
  • Brand TFL
  • Interchangeable Timken
  • Size 1.375" x 2.875" x 0.9377"
  • Bore Dia 1.375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.875"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.9688"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.75"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.9377"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 1.65"
  • Cone Backface Backing Diameter 1.67"
  • Cup Frontface Backing Diameter 2.72"
  • Cup Backface Backing Diameter 2.52"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.02"
  • Effective Center Location -0.32"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 25877A
  • Cup Part Number 25820
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 25800
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 19100 lbf
  • Static Radial Load 21900 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 4960 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2460 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 25877A-25820 Bearing

25877A-25820 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 19,100 lbf, ensuring reliable performance in various applications.

The single-row tapered roller design provides effective load distribution, reducing wear and extending service life.
With a standard radial clearance, it balances durability and efficiency in different operating conditions.

25877A-25820 Bearing operates within a temperature range of -30° to 110°C, suitable for diverse environments.
The steel cage maintains roller alignment, contributing to smooth and stable operation.

This bearing requires lubrication, ensuring consistent performance over time.
Its ABEC-1 rating confirms precision and reliability for industrial use.

Application

Industrial Uses of 25877A-25820 Bearing
25877A-25820 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 25877A-25820 Bearing Used?
You’ll often find 25877A-25820 Bearing in automotive applications like truck wheel hubs, where its ability to manage radial and thrust loads keeps things running smoothly. The inch sizing makes it a good fit for North American vehicle designs.

Built for Heavy-Duty Use: 25877A-25820 Bearing
25877A-25820 Bearing excels in industrial fans and pumps, thanks to its robust steel cage and standard radial clearance. Its open design allows for easy lubrication, extending service life in high-use settings.

Automotive vs Aerospace: Applications of 25877A-25820 Bearing
In automotive systems, 25877A-25820 Bearing supports axles and transmissions, while in aerospace, it’s suited for auxiliary gearboxes. The ABEC-1 rating ensures reliable performance without over-engineering for less critical roles.

Perfect Fit for Automation: 25877A-25820 Bearing
25877A-25820 Bearing works well in conveyor systems and robotic arms, where its tapered rollers provide stable movement under varying loads. The steel cage adds resilience for continuous operation.

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