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48686-48620DC TDO (Two-Row Double-Outer Race) (Imperial)

48686-48620DC TDO (Two-Row Double-Outer Race) (Imperial)

The 48686-48620DC is a double-row tapered roller bearing with a 5.625″ bore and 7.875″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 106,000 lbf and works well in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing is designed for heavy-duty applications where both radial and thrust loads are present.

This model is part of the 48600 series and comes with standard cups for straightforward installation. Ideal for industrial machinery or large equipment requiring reliable performance under high stress.

Weighing 18.13 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, making it a safe choice for various environments.

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Product Parameters

  • Part Number 48686-48620DC
  • Brand TFL
  • Size 5.625" x 7.875" x 1.6875"
  • Bore Dia 5.625"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 7.875"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.875"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.6875"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 3.4376"
  • Bearing Width Across Cups Tolerance +0.014" to -0.01"
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 6.22"
  • Cup Frontface Backing Diameter 7.61"
  • Cage Cone Backface Clearance 0.06"
  • Dynamic Radial Load 106000 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 48686
  • Cup Part Number 48620DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 48600
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 15700 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 9060 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 27400 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 18.13 lb

Features

How Is 48686-48620DC Bearing Engineered for Reliability?

48686-48620DC Bearing features a double-row tapered roller design, providing strong resistance to combined loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 106,000 lbf.

The precision tolerances on bore and outer diameters enhance performance, maintaining stability under stress.
With a standard radial clearance option, it offers flexibility for various applications.

Designed for temperatures from -30° to 110°C, 48686-48620DC Bearing performs reliably in diverse conditions.
The steel cage keeps rollers aligned, reducing wear and extending service life.

Its ABEC-1 rating ensures consistent quality, making it suitable for industrial use.
The open seal design allows for easy lubrication, ensuring smooth operation over time.

Application

Industrial Uses of 48686-48620DC Bearing
The 48686-48620DC Bearing is commonly used in heavy machinery like construction equipment and mining vehicles, where its double-row design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

What Makes 48686-48620DC Bearing a Preferred Choice?
In automotive applications, 48686-48620DC Bearing supports large axles and wheel hubs, providing stability under heavy loads. The inch sizing makes it compatible with many North American industrial and automotive standards.

Built for Heavy-Duty Use: 48686-48620DC Bearing
This bearing excels in agricultural machinery, such as tractors and harvesters, where its tapered roller design manages high radial loads. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 48686-48620DC Bearing
While 48686-48620DC Bearing is popular in truck and trailer axles, it also finds use in aerospace ground support equipment. Its robust construction ensures reliability in both high-load and precision scenarios.

Where Is 48686-48620DC Bearing Used?
You’ll often find 48686-48620DC Bearing in wind turbine gearboxes, where its ability to handle dynamic radial loads is crucial. The steel cage adds extra strength, making it suitable for continuous operation.

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