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639-632DC TDO (Two-Row Double-Outer Race) (Imperial)

639-632DC TDO (Two-Row Double-Outer Race) (Imperial)

The 639-632DC is a double-row tapered roller bearing with a 2.5″ bore and 5.375″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 108,000 lbf and is designed for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model features a standard radial clearance and is ABEC-1 rated for reliable performance. Ideal for industrial machinery or automotive systems where robust load capacity is needed.

Weighing 13.5 lb, it’s a solid choice for demanding environments. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 639-632DC
  • Brand TFL
  • Size 2.5" x 5.375" x 1.625"
  • Bore Dia 2.5"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.375"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 3"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.625"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 3.75"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.06"
  • Cone Backface Backing Diameter 3.19"
  • Cup Frontface Backing Diameter 4.96"
  • Cage Cone Backface Clearance 0.15"
  • Dynamic Radial Load 108000 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 639
  • Cup Part Number 632DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 635
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 16100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 9980 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 28000 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 13.5 lb

Features

Performance Features of 639-632DC Bearing

639-632DC Bearing is built with chrome steel rings and rollers, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 108,000 lbf, ensuring dependable performance in heavy-duty applications.

The double-row tapered roller design enhances load distribution, reducing stress on individual components.
With a standard radial clearance, it provides smooth operation across various industrial uses.

639-632DC Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, promoting longevity and consistent performance.

Lubrication is required for optimal function, ensuring minimal friction and wear.
The open seal design allows for easy maintenance and inspection when needed.

Application

Common Applications of 639-632DC Bearing
The 639-632DC Bearing is widely 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 demanding environments.

In automotive applications, 639-632DC Bearing supports axle systems and wheel hubs, providing reliable performance under high loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 639-632DC Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The tapered roller design also helps manage misalignment issues.

Where Is 639-632DC Bearing Used?
You’ll often find 639-632DC Bearing in agricultural machinery, like tractors and harvesters, where its robust build withstands rough terrain. The standard radial clearance ensures smooth rotation even under heavy loads.

In material handling equipment, 639-632DC Bearing’s double-row configuration provides stability for lifting mechanisms. Its steel cage adds extra strength, making it suitable for repetitive use.

Built for Heavy-Duty Use: 639-632DC Bearing
The 639-632DC Bearing excels in forestry equipment, such as log splitters, thanks to its high dynamic radial load capacity. The tapered rollers distribute stress evenly, reducing wear over time.

For railway applications, 639-632DC Bearing’s temperature range (-30° to 110°C) ensures reliable performance in varying climates. Its ABEC-1 rating balances precision and cost-effectiveness for freight carriages.

Automotive vs Aerospace: Applications of 639-632DC Bearing
In automotive settings, 639-632DC Bearing is common in truck differentials, where its combined load handling is essential. The inch measurements simplify replacements in older vehicle models.

For aerospace ground support equipment, 639-632DC Bearing’s steel construction meets durability needs without the weight penalty of higher-grade materials. Its open design also simplifies maintenance checks.

Q&A

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