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TS (Single Row Tapered Roller Bearings) (Imperial) 19138-19281

TS (Single Row Tapered Roller Bearings) (Imperial) 19138-19281

The 19138-19281 is a single-row tapered roller bearing with a 1.377″ bore and 2.8125″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 11400 lbf radially and 2250 lbf thrust-wise, suitable for moderate-speed applications.

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, offering a reliable replacement option. It’s ideal for use in gearboxes, axles, or industrial equipment where combined loads are present.

Weighing 0.600 lb, it’s a robust yet manageable choice for various mechanical setups. Compliant with RoHS and REACH standards for safe and versatile use.

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Product Parameters

  • Part Number 19138-19281
  • Brand TFL
  • Interchangeable Timken
  • Size 1.377" x 2.8125" x 0.625"
  • Bore Dia 1.377"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.8125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.6504"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.4688"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.625"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.04"
  • Cone Frontface Backing Diameter 1.59"
  • Cone Backface Backing Diameter 1.67"
  • Cup Frontface Backing Diameter 2.62"
  • Cup Backface Backing Diameter 2.48"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.03"
  • Effective Center Location -0.06"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 19138
  • Cup Part Number 19281
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 19000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 11400 lbf
  • Static Radial Load 13000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 2960 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2250 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 0.600 lb

Features

Performance Features of 19138-19281 Bearing

19138-19281 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 11,400 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 19138-19281 Bearing Engineered for Reliability?

19138-19281 Bearing features a tapered roller design, providing efficient load distribution and reduced wear.
The chrome steel construction ensures long-lasting performance, even under high stress.
Its standard radial clearance allows for smooth operation in diverse applications.
Maintenance is straightforward, thanks to its open design and required lubrication.

Built for Durability: 19138-19281 Bearing

19138-19281 Bearing’s single-row construction ensures stability and precision in combined load scenarios.
The steel cage maintains roller positioning, minimising wear and extending service life.
With a static radial load capacity of 13,000 lbf, it handles demanding conditions with ease.
Its ABEC-1 rating guarantees consistent performance for industrial applications.

Application

Industrial Uses of 19138-19281 Bearing
The 19138-19281 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough working conditions.

Where Is 19138-19281 Bearing Used?
You’ll often find 19138-19281 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a good fit for American-made vehicles, offering reliable performance under radial and thrust loads.

Built for Heavy-Duty Use: 19138-19281 Bearing
This bearing works well in industrial fans and conveyor systems, thanks to its open design and steel cage. The standard radial clearance allows for smooth operation even in high-temperature environments.

Automotive vs Aerospace: Applications of 19138-19281 Bearing
In automotive settings, 19138-19281 Bearing supports drivetrain components, while in aerospace, it’s suited for auxiliary systems requiring precise load handling. Its ABEC-1 rating balances performance and cost for these applications.

Essential Roles of 19138-19281 Bearing
For machinery requiring consistent load distribution, 19138-19281 Bearing is a solid choice. Its tapered rollers reduce friction, making it ideal for applications like gearboxes and power transmission systems.

Q&A

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