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56425-56650D TDO (Two-Row Double-Outer Race) (Imperial)

56425-56650D TDO (Two-Row Double-Outer Race) (Imperial)

The 56425-56650D is a two-row tapered roller bearing with a 4.25″ bore and 6.5″ outer diameter, built from sturdy chrome steel for heavy-duty use. It handles combined loads up to 88600 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its double-row design distributes loads evenly, while the open construction allows for easy lubrication. The steel cage ensures durability, making it suitable for high-stress applications.

This bearing is ideal for industrial machinery, gearboxes, or heavy equipment where both radial and thrust loads are present. It comes in standard radial clearance but can also be ordered in C3, C4, or C5 options.

Weighing 12.55 lb, it’s a robust choice for demanding environments. Compliant with RoHS and REACH standards, it offers reliable performance for long-term use.

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Product Parameters

  • Part Number 56425-56650D
  • Brand TFL
  • Size 4.25" x 6.5" x 1.4375"
  • Bore Dia 4.25"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 6.5"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.5"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.4375"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 3.2499"
  • Bearing Width Across Cups Tolerance +0.014" to -0.01"
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 4.84"
  • Cup Frontface Backing Diameter 6.30"
  • Cage Cone Backface Clearance 0.14"
  • Dynamic Radial Load 88600 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 56425
  • Cup Part Number 56650D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 56000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 13200 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 11200 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 23000 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 12.55 lb

Features

Performance Features of 56425-56650D Bearing

56425-56650D Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 88,600 lbf, ensuring reliable performance in heavy-duty applications.

The double-row tapered roller design enhances stability and load distribution.
This construction makes 56425-56650D Bearing suitable for demanding industrial environments.

With a temperature range of -30° to 110°C, it performs well in varied conditions.
The standard radial clearance options provide flexibility for different operational needs.

56425-56650D Bearing’s steel cage maintains roller alignment, reducing wear.
Its open design simplifies lubrication, ensuring smooth operation over time.

Application

Industrial Uses of 56425-56650D Bearing
The 56425-56650D Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its double-row design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 56425-56650D Bearing supports large vehicle components such as wheel hubs and differential systems, providing reliable performance under heavy loads. The inch sizing makes it a preferred choice for American and British machinery.

For industrial conveyors, 56425-56650D Bearing’s tapered roller design offers smooth operation and long service life, even in high-load scenarios. The open seal type allows for easy lubrication, reducing maintenance downtime.

What Makes 56425-56650D Bearing a Preferred Choice?
The 56425-56650D Bearing stands out in agricultural machinery, where its robust design handles uneven loads and harsh conditions. Its steel cage adds extra strength, making it suitable for tractors and harvesters.

In material handling systems, 56425-56650D Bearing ensures smooth rotation for heavy-duty rollers and pulleys. The standard radial clearance provides flexibility for various operational needs.

Built for Heavy-Duty Use: 56425-56650D Bearing
The 56425-56650D Bearing excels in forestry equipment, where its tapered rollers manage shock loads from rough terrain. Its high dynamic radial load capacity ensures consistent performance.

For railway applications, 56425-56650D Bearing’s double-row construction supports axle loads, reducing wear over long distances. The chrome steel rollers enhance durability in high-speed conditions.

Automotive vs Aerospace: Applications of 56425-56650D Bearing
In automotive systems, 56425-56650D Bearing is ideal for truck transmissions, handling high torque and axial forces. Its inch measurements align with standard vehicle designs.

For aerospace ground equipment, 56425-56650D Bearing provides reliable support in cargo loaders and tow tractors. The ABEC-1 rating ensures adequate precision for these applications.

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