+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
48385-48320D TDO (Two-Row Double-Outer Race) (Imperial)

48385-48320D TDO (Two-Row Double-Outer Race) (Imperial)

The 48385-48320D is a two-row tapered roller bearing with a 5.25″ bore and 7.5″ outer diameter, built from sturdy chrome steel for heavy-duty use. It handles combined loads up to 111000 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its double-row design provides extra stability, while the open seal allows for easy lubrication. The steel cage ensures durability, making it suitable for high-load applications.

This bearing is ideal for industrial machinery or vehicle axles where both radial and thrust loads are present. It meets ABEC-1 standards and comes with standard radial clearance, though C3/C4/C5 options are available.

Weighing 16.05 lb, it’s a robust choice for demanding environments. Compliant with RoHS and REACH regulations, it offers reliable performance for long-term use.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 48385-48320D
  • Brand TFL
  • Size 5.25" x 7.5" x 1.5625"
  • Bore Dia 5.25"
  • 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 5.83"
  • 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 48385
  • Cup Part Number 48320D
  • 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 16.05 lb

Features

Structural Advantages of 48385-48320D Bearing

48385-48320D Bearing features a double-row tapered roller design, ideal for handling combined radial and thrust loads.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.

The bearing’s dynamic radial load capacity reaches 111,000 lbf, providing reliable performance under heavy loads.
Precision tolerances on bore and outer diameters ensure smooth operation and easy installation.

48385-48320D Bearing operates efficiently within a temperature range of -30° to 110°C.
Its standard radial clearance options (including C3/C4/C5) offer flexibility for various operational needs.

The steel cage maintains roller alignment, reducing friction and extending service life.
With ABEC-1 precision rating, it balances performance and cost-effectiveness for industrial use.

Application

Industrial Uses of 48385-48320D Bearing
The 48385-48320D Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its double-row design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability in tough working conditions.
In automotive applications, 48385-48320D Bearing supports large vehicle components such as truck axles and differential systems, providing reliable performance under heavy loads. The inch sizing makes it a good fit for American-made vehicles.

Where Is 48385-48320D Bearing Used?
You’ll often find 48385-48320D Bearing in industrial gearboxes and agricultural machinery, where its tapered roller design manages high radial and axial forces. The open seal type allows for easy lubrication, extending its service life.
For conveyor systems, 48385-48320D Bearing’s robust build ensures smooth operation even with continuous heavy loads. Its standard radial clearance offers flexibility for various installation requirements.

Built for Heavy-Duty Use: 48385-48320D Bearing
48385-48320D Bearing excels in applications like crane hooks and railway bogies, where its double-row construction distributes loads evenly. The steel cage adds strength, making it suitable for high-stress environments.
In wind turbine systems, 48385-48320D Bearing’s ability to handle combined loads makes it a reliable choice for rotor shafts. Its temperature range ensures performance in both hot and cold climates.

Automotive vs Aerospace: Applications of 48385-48320D Bearing
In automotive settings, 48385-48320D Bearing is ideal for heavy-duty trucks and buses, where its load capacity and durability shine. The inch measurements align well with North American vehicle standards.
For aerospace ground equipment, 48385-48320D Bearing supports maintenance tools and loading systems, though it’s not typically used in-flight due to its weight. Its reliability makes it a go-to for ground operations.

Q&A

SEND INQUIRY