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36686-36620DC TDO (Two-Row Double-Outer Race) (Imperial)

36686-36620DC TDO (Two-Row Double-Outer Race) (Imperial)

The 36686-36620DC is a double-row tapered roller bearing with a 5.625″ bore and 7.625″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 76900 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The bearing is ABEC-1 rated, offering reliable performance for standard applications.

This model features a double outer race, making it suitable for heavy-duty machinery like gearboxes or industrial equipment. It comes with standard radial clearance but is also available in C3, C4, or C5 options.

Weighing 11.22 lb, it’s a robust choice for demanding environments. Compliant with RoHS and REACH standards, it’s a safe and dependable option for various industrial needs.

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Product Parameters

  • Part Number 36686-36620DC
  • Brand TFL
  • Size 5.625" x 7.625" x 1.125"
  • Bore Dia 5.625"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 7.625"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.125"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.125"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.5623"
  • Bearing Width Across Cups Tolerance +0.014" to -0.01"
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 6.02"
  • Cup Frontface Backing Diameter 7.41"
  • Cage Cone Backface Clearance 0.04"
  • Dynamic Radial Load 76900 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 36686
  • Cup Part Number 36620DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 36600
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 11400 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 7220 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 19900 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 11.22 lb

Features

How Does 36686-36620DC Bearing Handle Combined Loads?

36686-36620DC Bearing is designed with chrome steel rings and rollers, providing strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 76,900 lbf, ensuring reliable performance in demanding applications.

The double-row tapered roller design distributes loads evenly, reducing stress and extending service life.
With a standard radial clearance, it offers flexibility for various operating conditions.

36686-36620DC Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, ensuring smooth and consistent performance.

The open seal design allows for easy lubrication, reducing maintenance needs.
This bearing is ideal for heavy-duty applications requiring combined load handling.

Application

Industrial Uses of 36686-36620DC Bearing
The 36686-36620DC 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, 36686-36620DC Bearing supports large vehicle components like axles and wheel hubs, providing reliable performance under heavy loads. The inch sizing makes it a preferred choice for American and British automotive manufacturers.

For industrial automation, 36686-36620DC Bearing’s open design allows for easy lubrication, maintaining smooth operation in conveyor systems and robotic arms. The steel cage adds extra strength for high-speed operations.

Where Is 36686-36620DC Bearing Used?
You’ll often find 36686-36620DC Bearing in agricultural machinery, where its tapered roller design handles uneven loads from ploughs and harvesters. The standard radial clearance ensures consistent performance in varying conditions.

The bearing also fits well in railway applications, particularly in bogies and freight car axles, thanks to its high dynamic radial load capacity. Its temperature range makes it suitable for both hot and cold climates.

Built for Heavy-Duty Use: 36686-36620DC Bearing
36686-36620DC Bearing excels in marine equipment, such as ship propulsion systems, where its corrosion-resistant materials withstand harsh saltwater environments. The double-row construction distributes loads evenly for long-lasting use.

In wind turbines, 36686-36620DC Bearing supports the main shaft, handling both radial and thrust loads from rotor movements. Its ABEC-1 rating ensures reliable precision for continuous operation.

Automotive vs Aerospace: Applications of 36686-36620DC Bearing
In automotive settings, 36686-36620DC Bearing is ideal for heavy-duty trucks and buses, where its combined load capacity handles rough terrains. The inch measurements simplify replacements in older vehicle models.

For aerospace ground equipment, the bearing works well in aircraft tow tractors and loading systems, offering stability under dynamic loads. Its compliance with RoHS and REACH standards ensures environmental safety.

Q&A

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