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66187 Single Cones (Imperial)
66187 Single Cones (Imperial)

66187 Single Cones (Imperial)

The 66187 is a single-row tapered roller bearing with a 1.875″ bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 39700 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design allows for easy maintenance, while the steel cage ensures reliable performance. The bearing is part of the 66000 series and is interchangeable with Timken models.

With standard radial clearance and ABEC-1 rating, it’s a practical choice for industrial applications. Ideal for use in gearboxes or heavy machinery where combined loads are common.

Compliant with RoHS and REACH standards, it’s a safe and dependable option for various engineering needs.

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Product Parameters

  • Part Number 66187
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 66187-66461 , 66187-66462
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 66000
  • Bore Dia 1.875"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 1.25"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.14"
  • Cone Frontface Backing Diameter 2.44"
  • Cone Backface Backing Diameter 2.72"
  • Cage Cone Frontface Clearance 0.11"
  • Cage Cone Backface Clearance 0.17"
  • Effective Center Location -0.01"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 39700 lbf
  • Static Radial Load 37300 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 10300 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 69100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 11000 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 17900 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

Performance Features of 66187 Bearing

66187 Bearing is crafted with chrome steel rings, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 39,700 lbf, ensuring reliable performance in tough conditions.

The tapered roller design of 66187 Bearing provides smooth operation and efficient load distribution.
With a temperature range of -30° to 110°C, it performs well in various environments.

66187 Bearing’s steel cage maintains roller alignment, reducing wear and extending service life.
Its standard radial clearance ensures compatibility with a wide range of applications.

Application

Industrial Uses of 66187 Bearing
The 66187 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability in tough working conditions.

Where Is 66187 Bearing Used?
You’ll often find 66187 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a good fit for older or custom-built vehicles that require imperial measurements.

Built for Heavy-Duty Use: 66187 Bearing
66187 Bearing excels in industrial settings like conveyor systems, where its open design allows for easy lubrication and maintenance. The steel cage adds strength, making it reliable for continuous operation.

Automotive vs Industrial: Applications of 66187 Bearing
In automotive use, 66187 Bearing supports wheel assemblies, while in industrial settings, it’s ideal for gearboxes and pumps. Its tapered rollers distribute loads evenly, reducing wear over time.

Practical Applications of 66187 Bearing
For machinery requiring precise radial and thrust load handling, 66187 Bearing is a solid choice. Its standard radial clearance and ABEC-1 rating make it versatile for various operational needs.

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