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396-394D TDO (Two-Row Double-Outer Race) (Imperial)

396-394D TDO (Two-Row Double-Outer Race) (Imperial)

The 396-394D is a two-row tapered roller bearing with a 1.9685″ bore and 4.3307″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 38700 lbf and is designed for long-lasting performance.

Its double-row construction provides extra stability, while the open design allows for easy lubrication. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model fits standard cup types and is part of the 395 series, making it versatile for various setups. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Weighing 4.92 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, ensuring safe and reliable use.

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Product Parameters

  • Part Number 396-394D
  • Brand TFL
  • Size 1.9685" x 4.3307" x 0.866"
  • Bore Dia 1.9685"
  • 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 2.4"
  • 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 396
  • Cup Part Number 394D
  • 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 4.92 lb

Features

How Is 396-394D Bearing Engineered for Reliability?

396-394D Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its dynamic radial load capacity reaches 38,700 lbf, ensuring reliable performance in demanding applications.
The chrome steel construction enhances durability, while the steel cage maintains roller alignment.
With a standard radial clearance option, it offers flexibility for various operating conditions.

What Makes 396-394D Bearing Suitable for High-Temperature Applications?

396-394D Bearing operates effectively in temperatures ranging from -30° to 110°C, making it versatile for different environments.
The chrome steel rings and rollers resist wear, maintaining performance under thermal stress.
Its open design allows for proper lubrication, essential for high-temperature operation.
The bearing’s robust construction ensures consistent performance even in challenging conditions.

Built for Durability: 396-394D Bearing

396-394D Bearing’s double-row tapered roller design distributes loads evenly, reducing wear and extending service life.
The chrome steel components resist corrosion and fatigue, enhancing longevity.
With a dynamic radial rating of 10,000 lbf for two rows, it handles heavy loads efficiently.
Its standard radial clearance options provide adaptability for various applications.

Steel vs Ceramic Bearings: Strengths of 396-394D Bearing

396-394D Bearing uses chrome steel for both rings and rollers, offering a balance of strength and cost-effectiveness.
The steel cage ensures proper roller alignment, reducing friction and wear.
Its dynamic radial load capacity of 38,700 lbf demonstrates its robustness.
The bearing’s design is optimised for durability and reliable performance in industrial applications.

Application

Industrial Uses of 396-394D Bearing
The 396-394D Bearing is commonly used in heavy machinery, such as construction equipment and mining vehicles, where its double-row design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability in tough environments.

Where Is 396-394D Bearing Used?
You’ll often find the 396-394D Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design provides reliable performance under varying loads. The open seal type allows for easy lubrication, extending its service life.

Built for Heavy-Duty Use: 396-394D Bearing
In industrial gearboxes, the 396-394D Bearing supports high-load applications, thanks to its robust chrome steel rollers and steel cage. Its inch sizing makes it compatible with a wide range of North American machinery.

Automotive vs Aerospace: Applications of 396-394D Bearing
In automotive applications, the 396-394D Bearing is ideal for wheel hubs and differentials, offering smooth operation under stress. While not typically used in aerospace, its precision makes it suitable for ground support equipment.

Perfect Fit for Automation: 396-394D Bearing
The 396-394D Bearing works well in automated conveyor systems, where its double-row design ensures stability and reduces maintenance needs. Its standard radial clearance allows for consistent performance in continuous operations.

Q&A

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