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385-384EDC TDO (Two-Row Double-Outer Race) (Imperial)

385-384EDC TDO (Two-Row Double-Outer Race) (Imperial)

The 385-384EDC is a double-row tapered roller bearing with a 2.1654″ bore and 3.937″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 42200 lbf and suits moderate-speed applications.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various conditions.

This model features standard radial clearance and meets ABEC-1 precision standards. Ideal for industrial gearboxes or heavy machinery where combined radial and thrust loads are present.

Weighing 3.25 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH regulations for safe use in most environments.

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Product Parameters

  • Part Number 385-384EDC
  • Brand TFL
  • Size 2.1654" x 3.937" x 0.864"
  • Bore Dia 2.1654"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.937"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.562"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.864"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 1.9369"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.56"
  • Cup Frontface Backing Diameter 3.68"
  • Cage Cone Backface Clearance 0.03"
  • Dynamic Radial Load 42200 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 385
  • Cup Part Number 384EDC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 385
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 6280 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 3810 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 10900 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 3.25 lb

Features

How Is 385-384EDC Bearing Engineered for Reliability?

385-384EDC Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 42,200 lbf.
The steel cage maintains roller alignment, reducing friction and extending the bearing’s service life.
With a standard radial clearance and ABEC-1 rating, it offers reliable performance in various applications.

What Makes 385-384EDC Bearing Suitable for High-Temperature Applications?

385-384EDC Bearing operates efficiently within a temperature range of -30° to 110 °C, making it suitable for demanding environments.
Its chrome steel rings and rollers resist wear, ensuring consistent performance under thermal stress.
The open design allows for easy lubrication, further enhancing its high-temperature capabilities.
This bearing is ideal for industrial applications where heat resistance is crucial.

Built for Durability: 385-384EDC Bearing

385-384EDC Bearing is constructed with high-quality chrome steel, offering excellent resistance to wear and fatigue.
Its double-row design distributes loads evenly, reducing stress on individual components.
The steel cage ensures smooth roller movement, minimising friction and noise.
With a dynamic radial rating of 10,900 lbf for two rows, it delivers long-lasting performance.

Steel vs Ceramic Bearings: Strengths of 385-384EDC Bearing

385-384EDC 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 adds durability while maintaining precise roller alignment.
For applications requiring robust performance, 385-384EDC Bearing offers reliable steel construction.

Application

Industrial Uses of 385-384EDC Bearing
The 385-384EDC 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 effectively. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 385-384EDC Bearing supports wheel hubs and differential systems, providing reliable performance under varying load conditions. The inch sizing makes it a preferred choice for North American vehicle models.

For industrial automation, 385-384EDC Bearing’s tapered roller design offers stability in conveyor systems and robotic arms. The open seal type allows for easy lubrication, extending its service life in high-use scenarios.

Key Fields for 385-384EDC Bearing
You’ll often find 385-384EDC Bearing in agricultural machinery, where its robust construction withstands harsh conditions like dust and moisture. The standard radial clearance ensures smooth operation even under heavy loads.

In material handling systems, 385-384EDC Bearing’s dynamic radial rating makes it suitable for forklifts and cranes. The steel cage adds extra strength, reducing wear over time.

What Makes 385-384EDC Bearing a Preferred Choice?
385-384EDC Bearing is ideal for wind turbine applications, where its combined load capacity handles both radial and axial forces. The ABEC-1 rating ensures consistent performance in moderate precision requirements.

For railway applications, 385-384EDC Bearing’s temperature range (-30° to 110°C) makes it reliable in varying climates. The double-row design also helps distribute loads evenly, reducing stress on individual components.

Q&A

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