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13687-13621D TDO (Two-Row Double-Outer Race) (Imperial)

13687-13621D TDO (Two-Row Double-Outer Race) (Imperial)

The 13687-13621D is a double-row tapered roller bearing with a 1.5″ bore and 2.717″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads up to 26300 lbf and is designed for smooth operation in demanding conditions.

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

This model features standard cups and comes with ABEC-1 precision, suitable for applications requiring reliable performance. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 1.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most applications. The standard radial clearance can be adjusted to C3, C4, or C5 if needed.

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Product Parameters

  • Part Number 13687-13621D
  • Brand TFL
  • Size 1.5" x 2.717" x 0.75"
  • Bore Dia 1.5"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.717"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.5"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.75"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 1.8123"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 1.83"
  • Cup Frontface Backing Diameter 2.60"
  • Cage Cone Backface Clearance 0.02"
  • Dynamic Radial Load 26300 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 13687
  • Cup Part Number 13621D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 13600
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 3920 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 2700 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 6820 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 1.400 lb

Features

How Does 13687-13621D Bearing Handle Combined Loads?

13687-13621D Bearing features a double-row tapered roller design, ideal for handling both radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 26,300 lbf.

The open seal type allows for easy lubrication, maintaining smooth operation in various conditions.
With a temperature range of -30° to 110°C, it performs reliably in diverse environments.

The steel cage keeps rollers aligned, reducing wear and extending the bearing’s service life.
Its standard radial clearance options provide flexibility for different application needs.

Application

Industrial Uses of 13687-13621D Bearing
13687-13621D Bearing is commonly used in heavy machinery, such as construction equipment and agricultural vehicles, where its double-row design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 13687-13621D Bearing supports wheel hubs and drivetrain components, providing reliable performance under radial and thrust loads. Its inch sizing makes it a good fit for American and British vehicle models.

For industrial conveyor systems, 13687-13621D Bearing’s tapered roller design offers smooth operation and long service life. The open seal type allows for easy lubrication, reducing maintenance downtime.

What Makes 13687-13621D Bearing a Preferred Choice?
13687-13621D Bearing is ideal for applications requiring high load capacity, such as mining equipment and gearboxes. Its standard radial clearance ensures consistent performance across various temperatures.

In robotics, 13687-13621D Bearing provides precise movement in joints and pivots, thanks to its tapered roller design. The steel cage adds strength while keeping the weight manageable.

For power transmission systems, 13687-13621D Bearing’s ABEC-1 rating balances cost and performance. The inch measurements make it versatile for retrofitting older machinery.

Built for Heavy-Duty Use: 13687-13621D Bearing
13687-13621D Bearing excels in off-road vehicles, where its double-row construction handles rough terrain and shock loads. The chrome steel rollers resist wear even in dusty environments.

In manufacturing plants, 13687-13621D Bearing supports rotating shafts in presses and mills. Its dynamic radial load rating ensures reliability under continuous operation.

For marine applications, 13687-13621D Bearing’s temperature range suits both cold and moderately hot conditions. The open design simplifies inspection and relubrication.

Automotive vs Aerospace: Applications of 13687-13621D Bearing
In automotive systems, 13687-13621D Bearing is often found in differentials and axles, where its combined load capacity is essential. The inch sizing aligns with standard automotive components.

For aerospace ground equipment, 13687-13621D Bearing supports landing gear testing rigs and cargo loaders. Its ABEC-1 rating meets the precision needs without over-engineering.

In both fields, 13687-13621D Bearing’s steel cage and chrome steel rollers provide a balance of strength and cost-efficiency. The open seal allows for custom lubrication as needed.

Q&A

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