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13685-13621D TDO (Two-Row Double-Outer Race) (Imperial)

13685-13621D TDO (Two-Row Double-Outer Race) (Imperial)

The 13685-13621D is a two-row tapered roller bearing with a 1.5″ bore and 2.717″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 26300 lbf and is designed for long-lasting performance.

Its double-row construction provides extra stability, while the open design allows for easy lubrication. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is part of the 13600 series and comes with standard radial clearance, though C3/C4/C5 options are available. Ideal for heavy-duty applications like truck axles or industrial gearboxes.

Weighing 1.390 lb, it’s a robust choice for machinery requiring reliable load support. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 13685-13621D
  • 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 1.95"
  • 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 13685
  • 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 1.390 lb

Features

Performance Features of 13685-13621D Bearing

13685-13621D Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 26300 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design enhances stability and load distribution.
This construction allows 13685-13621D Bearing to handle both radial and thrust loads efficiently.

With a standard radial clearance, it provides smooth operation in various conditions.
The steel cage maintains roller alignment, reducing wear and extending service life.

13685-13621D Bearing operates within a temperature range of -30° to 110 °C.
Its open design simplifies lubrication, ensuring consistent performance over time.

Application

Key Fields for 13685-13621D Bearing
13685-13621D Bearing is commonly used in industrial machinery, especially in heavy-duty equipment like conveyor systems and gearboxes. Its double-row design handles combined loads efficiently, making it reliable for continuous operation.

In automotive applications, 13685-13621D Bearing supports wheel hubs and differential systems, where its tapered rollers manage both radial and thrust forces. The inch sizing ensures compatibility with many American and British vehicle models.

For automation systems, 13685-13621D Bearing’s open construction allows easy lubrication, which is essential for high-speed robotic arms. The chrome steel rollers provide durability even under frequent directional changes.

Where Is 13685-13621D Bearing Used?
You’ll often find 13685-13621D Bearing in agricultural machinery, such as tractors and harvesters, where its robust design withstands harsh conditions. The standard radial clearance offers flexibility for various load requirements.

In construction equipment, 13685-13621D Bearing excels in excavators and cranes due to its ability to handle heavy combined loads. The steel cage ensures stability even during prolonged use.

Built for Heavy-Duty Use: 13685-13621D Bearing
13685-13621D Bearing is ideal for mining equipment, where its tapered rollers manage extreme radial and axial stresses. The chrome steel construction resists wear in abrasive environments.

For material handling systems, 13685-13621D Bearing’s double-row design provides smooth operation under uneven loads. Its standard ABEC-1 rating balances precision and cost-effectiveness.

Automotive vs Aerospace: Applications of 13685-13621D Bearing
In automotive drivetrains, 13685-13621D Bearing offers reliable performance for axles and transmissions. The inch measurements simplify replacements in older vehicle models.

For aerospace ground support equipment, 13685-13621D Bearing’s temperature range suits outdoor operations. However, its ABEC-1 rating makes it less suited for high-precision flight components.

Q&A

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