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645-632DC TDO (Two-Row Double-Outer Race) (Imperial)

645-632DC TDO (Two-Row Double-Outer Race) (Imperial)

The 645-632DC is a double-row tapered roller bearing with a 2.8125″ bore and 5.375″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 108,000 lbf and is designed for long-lasting performance in demanding conditions.

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

This model features a standard radial clearance and is ABEC-1 rated for reliable precision. Ideal for heavy-duty applications like industrial gearboxes or construction equipment where high radial and thrust loads are common.

Weighing 12.18 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 645-632DC
  • Brand TFL
  • Size 2.8125" x 5.375" x 1.625"
  • Bore Dia 2.8125"
  • 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 3.66"
  • 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 645
  • 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 12.18 lb

Features

How Does 645-632DC Bearing Handle Combined Loads?

645-632DC Bearing is built with chrome steel rings and rollers, offering robust performance under combined radial and thrust loads.
Its dynamic radial load capacity reaches 108,000 lbf, ensuring reliability in heavy-duty applications.
The double-row tapered roller design distributes loads evenly, reducing stress and extending service life.
With a standard radial clearance, it provides smooth operation across a wide temperature range.

What Makes 645-632DC Bearing Suitable for Heavy-Duty Applications?

645-632DC Bearing features a double-row tapered roller design, ideal for handling high radial and thrust loads.
The chrome steel construction ensures durability and resistance to wear in demanding environments.
Its dynamic radial rating of 28,000 lbf for two rows guarantees long-lasting performance.
The open seal type allows for easy lubrication, maintaining optimal operation over time.

Engineered for Reliability: 645-632DC Bearing

645-632DC Bearing’s double-row design provides stability and load distribution, enhancing performance under stress.
The steel cage keeps rollers aligned, minimising friction and wear during operation.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.
Its standard radial clearance ensures smooth rotation, reducing maintenance needs.

Application

Industrial Uses of 645-632DC Bearing
The 645-632DC 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 efficiently.
Its chrome steel construction ensures durability in harsh environments, making it a reliable choice for long-term use.

Where Is 645-632DC Bearing Used?
You’ll often find the 645-632DC Bearing in agricultural machinery, supporting components like gearboxes and wheel hubs.
Its inch sizing makes it compatible with many North American industrial applications, simplifying replacements.

Built for Heavy-Duty Use: 645-632DC Bearing
The 645-632DC Bearing excels in applications like conveyor systems, where its tapered rollers manage high radial loads smoothly.
The open design allows for easy lubrication, extending its service life in demanding conditions.

Automotive vs Aerospace: Applications of 645-632DC Bearing
In automotive settings, the 645-632DC Bearing is ideal for truck axles, providing stability under heavy loads.
For aerospace, its precision and reliability make it suitable for ground support equipment, though not for flight-critical systems.

Practical Applications of 645-632DC Bearing
The 645-632DC Bearing is a solid choice for industrial fans, where its robust design handles continuous operation.
Its standard radial clearance options offer flexibility for various operational needs.

Q&A

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