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392-394DC TDO (Two-Row Double-Outer Race) (Imperial)

392-394DC TDO (Two-Row Double-Outer Race) (Imperial)

The 392-394DC is a two-row tapered roller bearing with a 2.4375″ bore and 4.3307″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads up to 38700 lbf and is designed for smooth operation in demanding conditions.

Its double-row construction provides extra stability, while the open seal design allows for easy lubrication. The bearing works well in temperatures from -30°C to 110°C, making it versatile for various environments.

This model is part of the 395 series and comes with standard cups for straightforward installation. Ideal for heavy-duty applications like industrial gearboxes or vehicle axles where both radial and thrust loads are present.

Weighing 4.12 lb, it’s a robust choice for machinery requiring reliable performance. Compliant with RoHS and REACH standards, ensuring safe use in different industries.

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Product Parameters

  • Part Number 392-394DC
  • Brand TFL
  • Size 2.4375" x 4.3307" x 0.866"
  • Bore Dia 2.4375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.3307"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.8125"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.866"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.0624"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.76"
  • Cup Frontface Backing Diameter 4.12"
  • Cage Cone Backface Clearance 0.05"
  • Dynamic Radial Load 38700 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 392
  • Cup Part Number 394DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 395
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 5760 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 3970 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 10000 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 4.12 lb

Features

How Is 392-394DC Bearing Engineered for Reliability?

392-394DC Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, even under heavy dynamic radial loads of up to 38,700 lbf.

The precision-engineered steel cage maintains roller alignment, reducing wear and extending operational life.
With a standard radial clearance and ABEC-1 rating, it offers reliable performance in various applications.

What Makes 392-394DC Bearing Suitable for High-Temperature Applications?

392-394DC Bearing operates efficiently within a temperature range of -30° to 110 °C, making it suitable for demanding environments.
The chrome steel rings and rollers resist thermal expansion, maintaining performance under stress.

Its open design allows for easy lubrication, ensuring smooth operation even in high-heat conditions.
The bearing’s robust construction minimises wear, providing long-term reliability.

Built for Durability: 392-394DC Bearing

392-394DC Bearing is constructed with high-quality chrome steel, offering excellent resistance to wear and fatigue.
Its double-row design distributes loads evenly, enhancing stability and lifespan.

The steel cage ensures proper roller alignment, reducing friction and maintenance needs.
With a dynamic radial rating of 10,000 lbf for two rows, it handles heavy-duty applications with ease.

Steel vs Ceramic Bearings: Strengths of 392-394DC Bearing

392-394DC Bearing uses chrome steel for both rings and rollers, providing a balance of strength and affordability.
This material choice ensures high load capacity and resistance to deformation under stress.

The steel cage further enhances durability, making it a reliable choice for industrial applications.
Its standard radial clearance allows for smooth operation in various conditions.

Why Choose 392-394DC Bearing for Precision Tasks?

392-394DC Bearing’s tapered roller design ensures precise load distribution, ideal for combined radial and thrust applications.
The ABEC-1 rating guarantees consistent performance, meeting industry standards for accuracy.

Its chrome steel components resist wear, maintaining precision over time.
The open seal type facilitates easy lubrication, ensuring optimal performance in precision tasks.

Application

Industrial Uses of 392-394DC Bearing
392-394DC Bearing is commonly used in heavy machinery like construction equipment, where its double-row design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is 392-394DC Bearing Used?
You’ll often find 392-394DC Bearing in agricultural machinery, particularly in gearboxes and wheel hubs. Its inch sizing makes it a good fit for older or custom-built equipment.

Built for Heavy-Duty Use: 392-394DC Bearing
This bearing works well in mining applications, supporting large loads in conveyor systems. The open seal design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 392-394DC Bearing
In automotive settings, 392-394DC Bearing is used in truck differentials, while aerospace applications might include landing gear systems. Its ABEC-1 rating balances precision and cost-effectiveness.

Key Fields for 392-394DC Bearing
392-394DC Bearing is ideal for industrial fans and pumps, where its tapered rollers manage high radial loads. The standard radial clearance offers reliable performance without excessive maintenance.

Q&A

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