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55187-55452D TDO (Two-Row Double-Outer Race) (Imperial)

55187-55452D TDO (Two-Row Double-Outer Race) (Imperial)

The 55187-55452D is a two-row tapered roller bearing with a 1.875″ bore and 4.5268″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 49400 lbf and is designed for long-lasting performance in demanding conditions.

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 55000 series, offering standard radial clearance with options for C3, C4, or C5. Weighing 6.11 lb, it’s a robust choice for heavy-duty applications like truck axles or industrial gearboxes.

Compliant with RoHS and REACH standards, it ensures safe and reliable use in various mechanical systems. The ABEC-1 rating makes it suitable for general precision requirements.

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Product Parameters

  • Part Number 55187-55452D
  • Brand TFL
  • Size 1.875" x 4.5268" x 1.0594"
  • Bore Dia 1.875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.5268"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.75"
  • 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 2.5623"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.72"
  • Cup Frontface Backing Diameter 4.18"
  • Cage Cone Backface Clearance 0.16"
  • Dynamic Radial Load 49400 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 55187
  • Cup Part Number 55452D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 55000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 7350 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 11100 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 12800 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 6.11 lb

Features

How Is 55187-55452D Bearing Engineered for Reliability?

55187-55452D Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 49,400 lbf.
The steel cage maintains roller alignment, reducing wear and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

What Makes 55187-55452D Bearing Suitable for High-Temperature Applications?

55187-55452D Bearing is built with chrome steel rings and rollers, ensuring stability in temperatures up to 110°C.
Its open design allows for effective lubrication, maintaining smooth operation under heat.
The double-row construction distributes loads evenly, reducing stress on individual components.
This design ensures consistent performance even in demanding environments.

Designed for Durability: 55187-55452D Bearing

55187-55452D Bearing’s tapered roller design handles combined loads efficiently, thanks to its double-row construction.
The chrome steel materials resist wear, extending the bearing’s service life.
Its standard radial clearance options provide flexibility for different applications.
With a weight of 6.11 lb, it balances strength and practicality.

Application

Industrial Uses of 55187-55452D Bearing
55187-55452D Bearing is commonly used in heavy machinery, such as construction equipment and mining vehicles, where its double-row design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in demanding environments.

In automotive applications, 55187-55452D Bearing supports wheel hubs and axle systems, providing reliable performance under varying loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial automation, 55187-55452D Bearing is ideal for conveyor systems and robotic arms, where precision and load capacity are essential. The open seal design allows for easy lubrication, extending its service life.

What Makes 55187-55452D Bearing a Preferred Choice?
55187-55452D Bearing excels in applications like agricultural machinery, where its tapered roller design manages heavy loads efficiently. The steel cage adds stability, reducing wear over time.

In material handling systems, 55187-55452D Bearing ensures smooth operation in equipment like forklifts and cranes. Its standard radial clearance offers flexibility for different operational needs.

Built for Heavy-Duty Use: 55187-55452D Bearing
55187-55452D Bearing is a reliable choice for wind turbine gearboxes, where its combined load capacity and temperature tolerance are crucial. The chrome steel rollers enhance performance under stress.

In railway applications, 55187-55452D Bearing supports axle boxes, providing consistent performance over long distances. The ABEC-1 rating ensures adequate precision for these demanding uses.

Light-Duty vs Heavy-Duty: Best Uses for 55187-55452D Bearing
For light-duty applications like small industrial pumps, 55187-55452D Bearing offers sufficient load capacity and longevity. Its standard lubrication requirements simplify maintenance.

In heavy-duty scenarios like oil rig equipment, 55187-55452D Bearing’s dynamic radial rating ensures reliability under extreme conditions. The double-row construction distributes loads evenly, reducing wear.

Q&A

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