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TS (Single Row Tapered Roller Bearings) (Imperial) 28138-28300

TS (Single Row Tapered Roller Bearings) (Imperial) 28138-28300

The 28138-28300 is a single-row tapered roller bearing with a 1.377″ bore and 3″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 14300 lbf radially and 2550 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, suitable for demanding environments.

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

Weighing just 0.9 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s a safe and dependable choice for your needs.

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Product Parameters

  • Part Number 28138-28300
  • Brand TFL
  • Interchangeable Timken
  • Size 1.377" x 3" x 0.8124"
  • Bore Dia 1.377"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.8244"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.6105"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8124"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.050"
  • Cone Frontface Backing Diameter 1.61"
  • Cone Backface Backing Diameter 1.71"
  • Cup Frontface Backing Diameter 2.83"
  • Cup Backface Backing Diameter 2.68"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.19"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 28138
  • Cup Part Number 28300
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 28000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 14300 lbf
  • Static Radial Load 15500 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 3700 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2550 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 0.9 lb

Features

Performance Features of 28138-28300 Bearing

28138-28300 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 14300 lbf, ensuring reliable performance in various applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in diverse environments.

How Is 28138-28300 Bearing Engineered for Reliability?

28138-28300 Bearing features precise cone and cup dimensions, ensuring smooth operation under heavy loads.
The chrome steel construction enhances durability, while the standard radial clearance allows for flexibility.
Its dynamic thrust rating of 2550 lbf makes it suitable for demanding tasks.
The open design simplifies lubrication, maintaining efficiency over time.

Designed for Durability: 28138-28300 Bearing

28138-28300 Bearing’s tapered roller design efficiently handles both radial and thrust loads.
The steel cage ensures stable roller movement, minimising wear and tear.
With a static radial load capacity of 15500 lbf, it excels in heavy-duty applications.
The bearing operates effectively within a wide temperature range, from -30° to 110°C.

Application

Industrial Uses of 28138-28300 Bearing
28138-28300 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 tough working conditions.

In automotive applications, 28138-28300 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for North American vehicle models.

For industrial conveyor systems, 28138-28300 Bearing’s open design allows for easy lubrication, extending its service life in high-demand environments. The steel cage adds stability, reducing wear over time.

Where Is 28138-28300 Bearing Used?
28138-28300 Bearing can be found in mining equipment, where its ability to handle radial and thrust loads is essential. The standard radial clearance ensures smooth operation even under heavy stress.

In power transmission systems, 28138-28300 Bearing supports shafts and gears, thanks to its robust chrome steel rollers. The ABEC-1 rating makes it suitable for general precision requirements.

For railway applications, 28138-28300 Bearing’s temperature resilience (-30° to 110°C) ensures consistent performance in varying climates. Its compatibility with Timken models adds to its versatility.

Built for Heavy-Duty Use: 28138-28300 Bearing
28138-28300 Bearing excels in forestry machinery, where its single-row tapered design manages uneven loads efficiently. The steel cage provides added strength, reducing maintenance needs.

In material handling equipment, 28138-28300 Bearing’s dynamic radial load capacity (14300 lbf) ensures reliable operation. The inch measurements simplify replacements in imperial-based systems.

For pump systems, 28138-28300 Bearing’s standard radial clearance allows for smooth rotation, minimising friction. Its chrome steel rollers enhance longevity in wet or dusty environments.

Automotive vs Aerospace: Applications of 28138-28300 Bearing
In automotive settings, 28138-28300 Bearing is ideal for axle systems, where its combined load capacity (dynamic thrust rating of 2550 lbf) is beneficial. The open seal design simplifies lubrication.

For aerospace ground support equipment, 28138-28300 Bearing’s weight (0.9 lb) and durability make it a practical choice. However, its ABEC-1 rating limits its use in high-precision flight components.

In both sectors, 28138-28300 Bearing’s chrome steel construction ensures resistance to wear, though automotive applications benefit more from its cost-effective design.

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