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55187C-55433D TDO (Two-Row Double-Outer Race) (Imperial)

55187C-55433D TDO (Two-Row Double-Outer Race) (Imperial)

The 55187C-55433D is a double-row tapered roller bearing with a 1.875″ bore and 4.33″ outer diameter, built from sturdy chrome steel for long-lasting performance.
It handles combined loads up to 59200 lbf and is designed for smooth operation in temperatures from -30°C to 110°C.
The open design allows for easy lubrication, while the steel cage ensures durability under heavy use.
Ideal for industrial machinery or vehicle applications where high radial and thrust loads are common.

With a standard ABEC-1 rating, this bearing offers reliable precision for most general-purpose needs.
Its double-row construction provides extra stability, making it suitable for demanding environments.
The bearing comes in standard radial clearance but is also available in C3/C4/C5 options for specific requirements.
Weighing 6.31 lb, it’s a robust choice for heavy-duty equipment.

Compliant with RoHS and REACH standards, this model is a safe and versatile option for various applications.
The tapered roller design ensures even load distribution, reducing wear over time.
Perfect for use in gearboxes, axles, or other systems requiring durable, high-capacity bearings.

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Product Parameters

  • Part Number 55187C-55433D
  • Brand TFL
  • Size 1.875" x 4.33" x 1.0594"
  • Bore Dia 1.875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.33"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.6876"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.0594"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.4999"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.02"
  • Cone Backface Backing Diameter 2.72"
  • Cup Frontface Backing Diameter 4.15"
  • Cage Cone Backface Clearance 0.17"
  • Dynamic Radial Load 59200 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 55187C
  • Cup Part Number 55433D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 55000C
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 8810 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 13300 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 15300 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 6.31 lb

Features

How Does 55187C-55433D Bearing Handle Combined Loads?

55187C-55433D Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 59,200 lbf, making it suitable for heavy-duty applications.
The double-row tapered roller design ensures stability and even load distribution.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

What Ensures Smooth Operation in 55187C-55433D Bearing?

55187C-55433D Bearing features a steel cage that maintains roller alignment, reducing friction and wear.
The chrome steel construction provides durability, even under high-stress conditions.
Its standard radial clearance options allow for flexibility in different applications.
The open design simplifies lubrication, ensuring consistent performance over time.

Built for Reliability: 55187C-55433D Bearing

55187C-55433D Bearing’s double-row design enhances load-carrying capacity and operational stability.
The tapered rollers and chrome steel materials contribute to its long service life.
It meets ABEC-1 standards, ensuring consistent precision in performance.
With a weight of 6.31 lb, it balances strength and manageability.

Application

Industrial Uses of 55187C-55433D Bearing
55187C-55433D 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 even in demanding environments.

In automotive applications, 55187C-55433D Bearing supports wheel hubs and drivetrains, providing reliable performance under high stress. Its imperial sizing makes it a good fit for vehicles manufactured in the US and other regions using inch measurements.

For industrial automation, 55187C-55433D Bearing is ideal for conveyor systems and robotic arms, where precision and load capacity are key. The open seal type allows for easy lubrication, extending its service life in continuous operations.

What Makes 55187C-55433D Bearing a Preferred Choice?
55187C-55433D Bearing stands out in agricultural machinery, such as tractors and harvesters, due to its ability to withstand heavy loads and harsh conditions. The tapered roller design ensures smooth rotation even under uneven stress.

In material handling equipment, 55187C-55433D Bearing’s robust construction makes it suitable for forklifts and cranes. The standard radial clearance offers a balance between performance and ease of installation.

Built for Heavy-Duty Use: 55187C-55433D Bearing
55187C-55433D Bearing excels in forestry equipment, where its steel cage and chrome steel rollers resist wear from debris and moisture. The ABEC-1 rating ensures consistent performance without unnecessary precision costs.

For railway applications, 55187C-55433D Bearing provides reliable support in bogies and axles. Its temperature range of -30° to 110°C makes it adaptable to various climates and operating conditions.

Light-Duty vs Heavy-Duty: Best Uses for 55187C-55433D Bearing
In light-duty scenarios like small pumps, 55187C-55433D Bearing offers longevity with minimal maintenance. The dynamic radial load capacity ensures it can handle occasional peak demands.

For heavy-duty industrial fans, 55187C-55433D Bearing’s two-row design distributes loads evenly, reducing wear over time. The open seal type simplifies relubrication, keeping downtime to a minimum.

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