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

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

The 55187C-55452D is a double-row tapered roller bearing with a 1.875″ bore and 4.5268″ 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 demanding conditions.

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

This model is part of the 55000C series, featuring standard cups and a standard radial clearance. Ideal for industrial machinery or heavy equipment where combined loads are common.

Weighing 6.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for replacements or new installations.

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Product Parameters

  • Part Number 55187C-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 0.17"
  • Dynamic Radial Load 59200 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 55187C
  • 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 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 6.5 lb

Features

How Is 55187C-55452D Bearing Engineered for Reliability?

55187C-55452D Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its dynamic radial load capacity reaches 59,200 lbf, ensuring reliable performance in heavy-duty applications.
The chrome steel rings and rollers enhance durability, while the steel cage maintains proper alignment.
With a standard radial clearance, it offers flexibility for various operating conditions.

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

55187C-55452D Bearing operates efficiently in temperatures ranging from -30° to 110°C, making it versatile for different environments.
The chrome steel construction resists wear and maintains performance under thermal stress.
Its open design allows for easy lubrication, ensuring smooth operation even in demanding conditions.
The bearing’s robust build ensures long-term reliability in high-temperature settings.

Designed for Durability: 55187C-55452D Bearing

55187C-55452D Bearing’s double-row construction distributes loads evenly, reducing stress on individual components.
The tapered roller design minimises friction, enhancing efficiency and extending service life.
Its precise tolerances ensure consistent performance, even under heavy loads.
The bearing’s chrome steel materials provide excellent resistance to wear and corrosion.

Application

Common Applications of 55187C-55452D Bearing
The 55187C-55452D Bearing is widely used in heavy machinery, such as construction equipment and mining vehicles, where its double-row design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability in tough working conditions.

In automotive applications, 55187C-55452D Bearing is often found in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it a preferred choice for North American vehicle models.

For industrial automation, 55187C-55452D Bearing supports robotic arms and conveyor systems, where its tapered roller design ensures smooth operation. The open seal type allows for easy lubrication, extending its service life.

In agricultural machinery, 55187C-55452D Bearing is used in tractors and harvesters, where its robust construction withstands high loads and harsh environments. The standard radial clearance offers flexibility for different operational needs.

The 55187C-55452D Bearing also finds use in wind turbines, where its ability to handle dynamic loads contributes to efficient energy generation. Its steel cage provides additional strength, making it suitable for long-term use.

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