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18690 Single Cones (Imperial)

18690 Single Cones (Imperial)

The 18690 single cone is a tapered roller bearing with a 1.8125-inch bore, designed for combined loads. Made from durable chrome steel, it handles radial loads up to 11700 lbf and fits Timken equivalents for easy replacement.

Its open design allows simple maintenance, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various conditions.

With standard radial clearance and ABEC-1 precision, it’s a practical choice for industrial machinery or vehicle axles. The cone’s compact width of 0.6875 inches suits space-limited applications.

Compliant with RoHS and REACH standards, this bearing offers a balance of strength and ease of use. Ideal for maintenance tasks where durability and interchangeability matter.

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Product Parameters

  • Part Number 18690
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 18690-18620 , 18690-18620-B
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 18600
  • Bore Dia 1.8125"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 0.6875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.110"
  • Cone Frontface Backing Diameter 2.01"
  • Cone Backface Backing Diameter 2.2"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.01"
  • Effective Center Location -0.08"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 11700 lbf
  • Static Radial Load 13800 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 3030 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 20400 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 1940 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 5280 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 18690 Single Cones (Imperial)

18690 Single Cones (Imperial) are crafted from chrome steel, offering strong resistance to combined loads.
Their dynamic radial load capacity reaches 11,700 lbf, ensuring reliable performance in various applications.

The tapered roller design enhances load distribution, reducing wear and extending service life.
With a temperature range of -30° to 110°C, they perform well in diverse operating conditions.

The steel cage maintains proper roller alignment, contributing to smooth operation.
Standard radial clearance options provide flexibility for different installation requirements.

Application

Industrial Uses of 18690 Single Cones
18690 Single Cones are commonly used in heavy machinery, such as construction equipment and mining gear, where combined loads are frequent. Their tapered roller design ensures reliable performance under both radial and thrust forces.

In automotive applications, 18690 Single Cones fit well in wheel hubs and differential systems, offering durability for long-term use. The inch sizing makes them compatible with many American and British vehicle models.

For industrial conveyor systems, 18690 Single Cones provide smooth operation even under high loads. The open seal design allows for easy lubrication, extending the bearing’s service life in demanding environments.

Where Is 18690 Single Cones Used?
18690 Single Cones are ideal for agricultural machinery, like tractors and harvesters, where rugged performance is needed. Their chrome steel construction handles dirt and moisture well.

In railway applications, 18690 Single Cones support axle boxes, ensuring stable movement under heavy loads. The steel cage adds strength, making them suitable for high-vibration conditions.

Built for Heavy-Duty Use: 18690 Single Cones
18690 Single Cones excel in forestry equipment, such as log splitters and sawmills, where shock loads are common. Their robust design minimises wear even in harsh conditions.

For material handling systems, 18690 Single Cones offer reliable performance in cranes and forklifts. The standard radial clearance ensures smooth rotation under varying loads.

Automotive vs Aerospace: Applications of 18690 Single Cones
In automotive settings, 18690 Single Cones are often found in truck transmissions, handling high torque. Their ABEC-1 rating balances precision and cost-effectiveness.

For aerospace ground equipment, 18690 Single Cones support landing gear testing rigs. The temperature range of -30° to 110°C ensures performance in diverse climates.

What Makes 18690 Single Cones a Preferred Choice?
18690 Single Cones are a go-to for wind turbine yaw systems, where durability meets moderate precision needs. The tapered rollers distribute loads evenly, reducing stress points.

In food processing machinery, 18690 Single Cones withstand frequent washdowns thanks to their corrosion-resistant materials. The steel cage also resists deformation under heavy use.

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