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52394X-52637D TDO (Two-Row Double-Outer Race) (Imperial)

52394X-52637D TDO (Two-Row Double-Outer Race) (Imperial)

The 52394X-52637D is a double-row tapered roller bearing with a 3.937″ bore and 6.375″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 82600 lbf and is designed for long-lasting performance in demanding conditions.

Its open design allows for easy lubrication, while the steel cage ensures smooth operation. The bearing operates well in temperatures ranging from -30°C to 110°C, making it versatile for various environments.

This model is part of the 52000 series and meets ABEC-1 standards, offering reliable precision. Ideal for heavy-duty applications like industrial gearboxes or construction equipment where combined loads are common.

Weighing 12.95 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice for replacements or new installations.

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Product Parameters

  • Part Number 52394X-52637D
  • Brand TFL
  • Size 3.937" x 6.375" x 1.4219"
  • Bore Dia 3.937"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6.375"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.4375"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.4219"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 3.2498"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 4.57"
  • Cup Frontface Backing Diameter 6.08"
  • Cage Cone Backface Clearance 0.16"
  • Dynamic Radial Load 82600 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 52394X
  • Cup Part Number 52637D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 52000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 12300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 10000 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 21400 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 12.95 lb

Features

How Does 52394X-52637D Bearing Handle Combined Loads?

52394X-52637D Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 82,600 lbf, ensuring reliable performance in demanding applications.
The steel cage maintains proper roller alignment, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

What Makes 52394X-52637D Bearing Durable?

52394X-52637D Bearing features a double-row tapered roller design, providing enhanced load distribution.
The chrome steel construction ensures durability and resistance to wear under heavy loads.
Its standard radial clearance options allow for flexibility in different applications.
The bearing’s robust design makes it suitable for industrial and automotive uses.

Engineered for Precision: 52394X-52637D Bearing

52394X-52637D Bearing is precision-crafted to meet ABEC-1 standards, ensuring consistent performance.
The tapered roller design minimises friction, promoting smooth operation even under combined loads.
With a dynamic thrust rating of 10,000 lbf, it handles demanding conditions efficiently.
Its open seal type allows for easy lubrication and maintenance.

Application

Industrial Uses of 52394X-52637D Bearing
The 52394X-52637D Bearing is commonly used in heavy machinery, such as construction equipment and mining rigs, where its double-row design handles combined radial and thrust loads effectively.
Its chrome steel construction ensures durability even in demanding environments, making it a reliable choice for long-term use.

Where Is 52394X-52637D Bearing Used?
You’ll often find the 52394X-52637D Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design provides stability under heavy loads.
The inch sizing makes it compatible with many North American industrial applications, simplifying replacements.

Built for Heavy-Duty Use: 52394X-52637D Bearing
In conveyor systems, the 52394X-52637D Bearing excels due to its ability to manage high radial loads while maintaining smooth operation.
The open seal type allows for easy lubrication, which is essential for maintaining performance in dusty or wet conditions.

Automotive vs Aerospace: Applications of 52394X-52637D Bearing
In automotive applications, the 52394X-52637D Bearing supports wheel hubs and drivetrains, offering robust performance under varying loads.
For aerospace ground equipment, its precision and reliability make it suitable for handling heavy loads during aircraft maintenance.

Key Fields for 52394X-52637D Bearing
The 52394X-52637D Bearing is ideal for wind turbine gearboxes, where its double-row design ensures stability under fluctuating wind forces.
Its standard radial clearance and ABEC-1 rating provide a balance of performance and cost-efficiency for large-scale energy projects.

Q&A

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