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90381 Single Cones (Imperial)
90381 Single Cones (Imperial)

90381 Single Cones (Imperial)

The 90381 single cone is a tapered roller bearing with a 3.8125-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 86,100 lbf and static loads up to 88,100 lbf.

Its open design allows easy maintenance, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like industrial machinery or vehicle axles where combined loads are common.

Compliant with RoHS and REACH standards, it offers a balance of strength and durability. The standard radial clearance ensures smooth operation under various conditions.

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Product Parameters

  • Part Number 90381
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 90381-90744
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 3.8125"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 1.8125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.14"
  • Cone Frontface Backing Diameter 4.44"
  • Cone Backface Backing Diameter 4.92"
  • Cage Cone Frontface Clearance 0.16"
  • Cage Cone Backface Clearance 0.39"
  • Effective Center Location 0.5"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 86100 lbf
  • Static Radial Load 88100 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 22300 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 150000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 33100 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 38900 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

How Is 90381 Bearing Engineered for Reliability?

90381 Bearing is crafted from chrome steel, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 86,100 lbf, ensuring dependable performance in tough conditions.

The steel cage maintains roller alignment, reducing friction and wear.
With a temperature range of -30° to 110°C, it performs reliably in varied environments.

Designed for standard radial clearance, 90381 Bearing suits diverse applications.
Its tapered roller construction ensures smooth operation under heavy loads.

Application

Industrial Uses of 90381 Single Cones
90381 Single Cones are commonly used in heavy machinery like construction equipment and agricultural gear, where their tapered roller design handles combined loads effortlessly. The inch sizing makes them a go-to choice for North American industrial applications.

In automotive systems, 90381 Single Cones provide reliable support for wheel hubs and differentials, ensuring smooth performance under varying loads. Their chrome steel construction offers durability in both high-speed and high-load scenarios.

For conveyor systems, 90381 Single Cones excel due to their open design and standard radial clearance, allowing for easy maintenance and consistent operation. The steel cage adds extra resilience in dusty or demanding environments.

Where Is 90381 Single Cones Used?
You’ll often spot 90381 Single Cones in mining equipment, where their robust build handles extreme conditions without faltering. The ABEC-1 rating ensures reliable precision for most industrial needs.

They’re also handy in railway applications, particularly in axle boxes where combined loads are frequent. The dynamic thrust rating makes them a dependable choice for long-haul transport.

Built for Heavy-Duty Use: 90381 Single Cones
90381 Single Cones shine in forestry machinery, tackling uneven loads and rough terrain with ease. The tapered roller design distributes stress evenly, prolonging service life.

In marine equipment, these cones withstand corrosive environments thanks to their chrome steel rings. Their temperature range suits both cold and moderately hot operating conditions.

Automotive vs Aerospace: Applications of 90381 Single Cones
While 90381 Single Cones are popular in truck wheel bearings, they’re equally useful in aircraft landing gear components. The inch measurements align well with imperial-based manufacturing standards.

For power generation turbines, these cones offer stable performance under radial and thrust loads. The steel cage ensures quiet operation even at moderate speeds.

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