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48393-48320DC TDO (Two-Row Double-Outer Race) (Imperial)

48393-48320DC TDO (Two-Row Double-Outer Race) (Imperial)

The 48393-48320DC is a double-row tapered roller bearing with a 5.375″ bore and 7.5″ outer diameter, built from sturdy chrome steel for combined load handling.
It manages dynamic radial loads up to 111000 lbf and thrust loads up to 9060 lbf, suitable for heavy-duty applications. The open design allows easy lubrication, while the steel cage ensures durability.

This bearing features a standard radial clearance and operates smoothly in temperatures from -30°C to 110°C. Its double-row construction provides extra stability under high radial and thrust loads.

Ideal for industrial machinery or vehicle axles where robust performance is needed. Weighing 15.28 lb, it’s built to last while complying with RoHS and REACH standards.

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Product Parameters

  • Part Number 48393-48320DC
  • Brand TFL
  • Size 5.375" x 7.5" x 1.5625"
  • Bore Dia 5.375"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 7.5"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.875"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.5625"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 3.3749"
  • Bearing Width Across Cups Tolerance +0.014" to -0.01"
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 5.94"
  • Cup Frontface Backing Diameter 7.28"
  • Cage Cone Backface Clearance 0.09"
  • Dynamic Radial Load 111000 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 48393
  • Cup Part Number 48320DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 48300
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 16500 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 9060 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 28700 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 15.28 lb

Features

How Is 48393-48320DC Bearing Engineered for Reliability?

48393-48320DC Bearing features a double-row tapered roller design, providing excellent load distribution for combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 111,000 lbf.

The precision tolerances, such as bore and outer diameter tolerances of +0.001″ to 0, enhance performance in demanding applications.
With a standard radial clearance and ABEC-1 rating, it balances precision and reliability.

48393-48320DC Bearing operates efficiently within a temperature range of -30° to 110°C, suitable for various environments.
Its steel cage maintains roller alignment, reducing wear and extending service life.

Application

Industrial Uses of 48393-48320DC Bearing
The 48393-48320DC Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its double-row design handles combined radial and thrust loads efficiently.
Its chrome steel construction ensures durability in harsh environments, making it a reliable choice for long-term use.

What Makes 48393-48320DC Bearing a Preferred Choice?
In automotive applications, 48393-48320DC Bearing supports large axles and wheel hubs, providing stability under heavy loads.
The tapered roller design helps distribute stress evenly, reducing wear and extending service life.

Built for Heavy-Duty Use: 48393-48320DC Bearing
For industrial fans and pumps, 48393-48320DC Bearing offers smooth operation even at high speeds.
The open seal design allows for easy lubrication, ensuring consistent performance in demanding conditions.

Automotive vs Aerospace: Applications of 48393-48320DC Bearing
In automotive systems, 48393-48320DC Bearing is ideal for heavy-duty trucks and trailers, where its robust construction handles rough terrain.
While in aerospace, its precision and reliability make it suitable for landing gear and other critical components.

Key Fields for 48393-48320DC Bearing
The 48393-48320DC Bearing is often found in agricultural machinery, such as tractors and harvesters, due to its ability to withstand dirt and debris.
Its standard radial clearance options provide flexibility for various operating conditions.

Q&A

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