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TS (Single Row Tapered Roller Bearings) (Imperial) 28682-28621

TS (Single Row Tapered Roller Bearings) (Imperial) 28682-28621

The 28682-28621 is a single-row tapered roller bearing with a 2.25″ bore and 3.8125″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 27700 lbf radially and 4950 lbf in thrust, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. 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. Ideal for industrial machinery, gearboxes, or automotive systems where combined loads are common.

Weighing 1.6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 28682-28621
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 3.8125" x 0.9688"
  • Bore Dia 2.25"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.8125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.9688"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.7656"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.9688"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.48"
  • Cone Backface Backing Diameter 2.76"
  • Cup Frontface Backing Diameter 3.66"
  • Cup Backface Backing Diameter 3.46"
  • Cage Cone Frontface Clearance 0.1"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.13"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 28682
  • Cup Part Number 28621
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 28600
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 27700 lbf
  • Static Radial Load 32000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 7180 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4950 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 28682-28621 Bearing

28682-28621 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 27,700 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 28682-28621 Bearing Reduce Friction?

28682-28621 Bearing’s tapered roller design minimises friction, ensuring smooth operation under combined loads.
The chrome steel construction provides excellent wear resistance, extending its service life.
Precision tolerances and effective lubrication further reduce friction and heat generation.
This makes it a reliable choice for applications requiring consistent performance.

Engineered for Precision: 28682-28621 Bearing

28682-28621 Bearing features precise dimensions and tight tolerances for accurate performance.
Its single-row tapered roller design ensures efficient load distribution and stability.
The standard radial clearance allows for smooth operation in various applications.
With an ABEC-1 rating, it balances precision and affordability for industrial use.

Application

Industrial Uses of 28682-28621 Bearing
28682-28621 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 demanding environments.

Where Is 28682-28621 Bearing Used?
You’ll often find 28682-28621 Bearing in automotive axles and wheel hubs, thanks to its ability to manage both radial and thrust loads. Its inch sizing makes it a fit for many American-made vehicles.

Built for Heavy-Duty Use: 28682-28621 Bearing
28682-28621 Bearing excels in industrial fans and pumps, where its open design allows for easy lubrication. The steel cage adds stability, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 28682-28621 Bearing
In automotive systems, 28682-28621 Bearing supports high-load scenarios like drivetrains, while its precision suits aerospace landing gear components. The ABEC-1 rating ensures consistent performance across both fields.

What Makes 28682-28621 Bearing a Preferred Choice?
28682-28621 Bearing is a go-to for conveyor systems in mining, where its dynamic load capacity keeps operations smooth. The standard radial clearance option adapts well to varying thermal conditions.

Q&A

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