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TS (Single Row Tapered Roller Bearings) (Imperial) 90381-90744

TS (Single Row Tapered Roller Bearings) (Imperial) 90381-90744

The 90381-90744 is a single-row tapered roller bearing with a 3.8125″ bore and 7.4375″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 86100 lbf radially and 33100 lbf in thrust, making it a versatile choice.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery or automotive applications where combined loads are common.

Weighing 12.3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 90381-90744
  • Brand TFL
  • Interchangeable Timken
  • Size 3.8125" x 7.4375" x 2"
  • Bore Dia 3.8125"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 7.4375"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.8125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.25"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 5.2"
  • Cone Backface Backing Diameter 4.92"
  • Cup Frontface Backing Diameter 7.09"
  • Cup Backface Backing Diameter 6.34"
  • Cage Cone Frontface Clearance 0.16"
  • Cage Cone Backface Clearance 0.39"
  • Effective Center Location 0.5"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 90381
  • Cup Part Number 90744
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 90000
  • Ring Material Chrome Steel
  • Roller 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 Thrust Rating(90 Million Revolutions)(Ca90) 33100 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 12.3 lb

Features

Performance Features of 90381-90744 Bearing

90381-90744 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 86,100 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

Why Choose 90381-90744 Bearing for Precision Tasks?

90381-90744 Bearing features precise tolerances, with bore and outer diameter tolerances as tight as +0.001″ to 0.
Its tapered roller design ensures smooth operation under both radial and thrust loads.
The standard radial clearance option provides flexibility for different applications.
Weighing 12.3 lb, it balances durability and ease of handling.

Engineered for Reliability: 90381-90744 Bearing

90381-90744 Bearing’s single-row construction simplifies installation while maintaining high load capacity.
The chrome steel components resist wear, ensuring long service life even in tough conditions.
Lubrication is required, but the design minimises maintenance needs.
It meets ABEC-1 standards, offering consistent performance for industrial use.

Steel vs Ceramic Bearings: Strengths of 90381-90744 Bearing

90381-90744 Bearing uses chrome steel for both rings and rollers, providing excellent strength and durability.
Its dynamic thrust rating of 33,100 lbf ensures reliable performance under heavy loads.
The steel cage offers robust support, keeping rollers aligned during operation.
Compliant with RoHS and REACH, it meets international environmental standards.

Application

Industrial Uses of 90381-90744 Bearing
90381-90744 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 90381-90744 Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it a straightforward replacement for Timken equivalents in many vehicles.

For industrial conveyor systems, 90381-90744 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds stability, reducing wear over time.

Where Is 90381-90744 Bearing Used?
You’ll often find 90381-90744 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design copes with rough conditions. The standard radial clearance offers flexibility for different load requirements.

In mining equipment, 90381-90744 Bearing’s high dynamic load capacity makes it suitable for crushers and screens. The ABEC-1 rating ensures consistent performance without overcomplicating precision needs.

Built for Heavy-Duty Use: 90381-90744 Bearing
90381-90744 Bearing excels in forestry equipment like log splitters, where its tapered rollers manage heavy loads smoothly. The inch measurements simplify maintenance and replacements.

For railway applications, 90381-90744 Bearing’s temperature range (-30° to 110°C) ensures reliability in varying climates. Its steel cage and chrome steel rollers provide long-term durability.

Automotive vs Aerospace: Applications of 90381-90744 Bearing
In automotive systems, 90381-90744 Bearing is ideal for drivetrains, offering a balance of strength and precision. The interchangeable Timken design adds convenience for repairs.

For aerospace ground support equipment, 90381-90744 Bearing’s static radial load capacity (88100 lbf) ensures stability in heavy lifting applications. The open seal type allows for custom lubrication as needed.

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