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TS (Single Row Tapered Roller Bearings) (Imperial) 28995-28921

TS (Single Row Tapered Roller Bearings) (Imperial) 28995-28921

The 28995-28921 is a single-row tapered roller bearing with a 2.47″ bore and 3.937″ outer diameter, crafted from robust chrome steel. It manages combined loads up to 23800 lbf radially and 4500 lbf thrust, suitable for steady rotation in various settings.

Its open design allows straightforward lubrication, while the steel cage ensures durability under stress. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a reliable alternative for replacements. It’s well-suited for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Weighing 1.6 lb, it balances strength and practicality. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

The standard radial clearance (with options for C3/C4/C5) provides flexibility for different operational needs. Its ABEC-1 rating ensures dependable precision for general industrial use.

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Product Parameters

  • Part Number 28995-28921
  • Brand TFL
  • Interchangeable Timken
  • Size 2.47" x 3.937" x 1"
  • Bore Dia 2.47"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.937"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.7813"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.72"
  • Cone Backface Backing Diameter 2.95"
  • Cup Frontface Backing Diameter 3.82"
  • Cup Backface Backing Diameter 3.50"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.05"
  • Effective Center Location -0.1"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 28995
  • Cup Part Number 28921
  • 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

Performance Features of 28995-28921 Bearing

28995-28921 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 23,800 lbf, ensuring reliable performance in tough conditions.
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 various environments.

How Is 28995-28921 Bearing Engineered for Reliability?

28995-28921 Bearing features a single-row tapered roller design, ideal for handling both radial and thrust loads.
The chrome steel construction enhances durability, even under heavy stress.
Its standard radial clearance allows for smooth operation, minimising wear over time.
This bearing meets ABEC-1 standards, ensuring consistent quality and performance.

Designed for Durability: 28995-28921 Bearing

28995-28921 Bearing’s tapered rollers distribute loads evenly, reducing stress on individual components.
The steel cage provides stability, keeping rollers in place during high-speed operation.
With a static radial load capacity of 33,500 lbf, it handles demanding applications with ease.
Its open design simplifies lubrication, ensuring long-term reliability.

Application

Industrial Uses of 28995-28921 Bearing
28995-28921 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.

Where Is 28995-28921 Bearing Used?
You’ll often find 28995-28921 Bearing in automotive drivetrains, particularly in wheel hubs and differentials, thanks to its ability to manage both radial and thrust loads. Its inch sizing makes it a good fit for American-made vehicles.

Built for Heavy-Duty Use: 28995-28921 Bearing
28995-28921 Bearing excels in industrial fans and pumps, where its open design allows for easy lubrication and maintenance. The steel cage adds extra strength, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 28995-28921 Bearing
In automotive settings, 28995-28921 Bearing supports high-load components like axles, while in aerospace, its precision fits auxiliary systems. The ABEC-1 rating ensures consistent performance across different environments.

Key Fields for 28995-28921 Bearing
28995-28921 Bearing is a go-to choice for conveyor systems in mining, where its standard radial clearance adapts to varying loads. The temperature range also makes it suitable for both hot and cold climates.

Q&A

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