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TS (Single Row Tapered Roller Bearings) (Imperial) 28990-28919

TS (Single Row Tapered Roller Bearings) (Imperial) 28990-28919

The 28990-28919 is a single-row tapered roller bearing with a 2.44″ bore and 3.9362″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 23800 lbf radially and 4500 lbf thrust, making it versatile for heavy-duty use.

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 applications like truck axles or industrial gearboxes where robust load handling is needed.

Weighing 1.6 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for various industrial uses.

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Product Parameters

  • Part Number 28990-28919
  • Brand TFL
  • Interchangeable Timken
  • Size 2.44" x 3.9362" x 0.9375"
  • Bore Dia 2.44"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.9362"
  • 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 0.9375"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.080"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 2.68"
  • Cone Backface Backing Diameter 2.83"
  • Cup Frontface Backing Diameter 3.82"
  • Cup Backface Backing Diameter 3.54"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.02"
  • Effective Center Location -0.07"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 28990
  • Cup Part Number 28919
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 28900
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 23800 lbf
  • Static Radial Load 33500 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 6180 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4500 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 1.6 lb

Features

How Is 28990-28919 Bearing Engineered for Reliability?

28990-28919 Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 23,800 lbf, making it suitable for heavy-duty applications.
The steel cage maintains proper roller alignment, reducing friction and wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

What Makes 28990-28919 Bearing Suitable for High-Temperature Applications?

28990-28919 Bearing operates efficiently in temperatures ranging from -30° to 110°C.
The chrome steel construction resists thermal deformation, maintaining performance under stress.
Its open design allows for easy lubrication, ensuring smooth operation in demanding environments.
The bearing’s robust build handles both radial and thrust loads effectively.

Designed for Durability: 28990-28919 Bearing

28990-28919 Bearing is built with high-quality chrome steel for long-lasting performance.
Its tapered roller design distributes loads evenly, reducing stress on individual components.
The bearing’s standard radial clearance ensures reliable operation in various applications.
With a static radial load capacity of 33,500 lbf, it excels in heavy-load scenarios.

Steel vs Ceramic Bearings: Strengths of 28990-28919 Bearing

28990-28919 Bearing uses chrome steel for its rollers and rings, offering excellent strength and wear resistance.
Its dynamic thrust rating of 4,500 lbf ensures reliable performance under combined loads.
The steel cage provides stability, keeping rollers aligned during operation.
This bearing is ideal for applications requiring durability and consistent performance.

Application

Industrial Uses of 28990-28919 Bearing
The 28990-28919 Bearing is commonly used in heavy machinery like construction equipment and mining drills, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

Where Is 28990-28919 Bearing Used?
You’ll often find 28990-28919 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for North American vehicle models.

Built for Heavy-Duty Use: 28990-28919 Bearing
This bearing excels in industrial gearboxes, providing smooth operation under high radial and thrust loads. The steel cage adds extra strength, making it suitable for prolonged use.

Automotive vs Aerospace: Applications of 28990-28919 Bearing
In automotive systems, 28990-28919 Bearing supports heavy loads in axles and transmissions. For aerospace, its precision and reliability make it ideal for landing gear mechanisms.

Perfect Fit for Automation: 28990-28919 Bearing
The 28990-28919 Bearing works well in robotic arms and conveyor systems, offering consistent performance. Its open design allows for easy lubrication, reducing maintenance downtime.

Q&A

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