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36990-36920CD TDO (Two-Row Double-Outer Race) (Imperial)

36990-36920CD TDO (Two-Row Double-Outer Race) (Imperial)

The 36990-36920CD is a double-row tapered roller bearing with a 7″ bore and 8.9375″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads up to 81800 lbf and is designed for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures smooth operation even under high stress. The bearing works well in temperatures ranging 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 industrial machinery or automotive systems where robust load-bearing capacity is needed.

Weighing 13.27 lb, it’s a solid choice for demanding settings. Compliant with RoHS and REACH standards, it’s both durable and safe for use.

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Product Parameters

  • Part Number 36990-36920CD
  • Brand TFL
  • Size 7" x 8.9375" x 1.1875"
  • Bore Dia 7"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 8.9375"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.0625"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.1875"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.6249"
  • Bearing Width Across Cups Tolerance +0.014" to -0.01"
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 7.4"
  • Cup Frontface Backing Diameter 8.74"
  • Cage Cone Backface Clearance 0.08"
  • Dynamic Radial Load 81800 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 36990
  • Cup Part Number 36920CD
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 36900
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 12200 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 9190 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 21200 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 13.27 lb

Features

Performance Features of 36990-36920CD Bearing

36990-36920CD Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 81,800 lbf, making it suitable for heavy-duty applications.
The double-row tapered roller design ensures stability and efficient load distribution.
With a standard radial clearance, it provides reliable operation in various conditions.

How Is 36990-36920CD Bearing Engineered for Reliability?

36990-36920CD Bearing features a steel cage that maintains roller alignment, reducing wear and extending service life.
The chrome steel construction resists wear, ensuring durability even in demanding environments.
Its dynamic thrust rating of 9,190 lbf allows it to handle axial loads effectively.
The bearing operates within a temperature range of -30° to 110°C, making it versatile for different applications.

Built for Durability: 36990-36920CD Bearing

36990-36920CD Bearing’s double-row design enhances load-carrying capacity, ideal for industrial machinery.
The standard cup type and open seal design simplify installation and maintenance.
With an ABEC-1 rating, it balances precision and cost-effectiveness.
Its weight of 13.27 lb reflects a sturdy construction built to last.

Steel vs Ceramic Bearings: Strengths of 36990-36920CD Bearing

36990-36920CD Bearing uses chrome steel for both rings and rollers, providing excellent strength and wear resistance.
The steel cage ensures reliable performance, even under high radial and thrust loads.
Its lubrication requirement ensures smooth operation over extended periods.
The bearing’s compliance with RoHS and REACH standards highlights its environmental safety.

Application

Industrial Uses of 36990-36920CD Bearing
36990-36920CD 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. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 36990-36920CD Bearing supports large vehicle components like axles and wheel hubs, providing reliable performance under high stress. Its inch sizing makes it a good fit for American and British machinery standards.

For industrial automation, 36990-36920CD Bearing’s tapered roller design offers smooth operation in conveyor systems and robotic arms. The open seal type allows for easy lubrication, extending its service life in continuous-use environments.

What Makes 36990-36920CD Bearing a Preferred Choice?
36990-36920CD Bearing is ideal for applications requiring precise load distribution, such as wind turbine gearboxes. Its steel cage enhances stability, even at high speeds.

The bearing’s standard radial clearance options make it adaptable to various industrial needs, from light-duty to heavy-duty machinery. Its ABEC-1 rating ensures consistent performance without unnecessary precision costs.

Built for Heavy-Duty Use: 36990-36920CD Bearing
36990-36920CD Bearing excels in agricultural machinery, where its robust design withstands dust and variable loads. The tapered rollers reduce friction, improving efficiency in tractors and harvesters.

Its compatibility with standard lubrication methods simplifies maintenance, making it a practical choice for remote or harsh environments. The temperature range also suits both cold and moderate climates.

Automotive vs Aerospace: Applications of 36990-36920CD Bearing
In automotive systems, 36990-36920CD Bearing handles the demanding loads of truck transmissions and differentials. Its dynamic radial rating ensures longevity under constant use.

For aerospace ground equipment, the bearing’s inch measurements and chrome steel rollers provide reliability in tow tractors and cargo loaders. The open design allows for quick inspections and servicing.

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