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TS (Single Row Tapered Roller Bearings) (Imperial) 3381-3339

TS (Single Row Tapered Roller Bearings) (Imperial) 3381-3339

The 3381-3339 is a single-row tapered roller bearing with a 1.5″ bore and 3.151″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 25800 lbf radially and 3130 lbf thrust, making it versatile for various applications.

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

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

Weighing 1.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most applications.

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Product Parameters

  • Part Number 3381-3339
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5" x 3.151" x 1.1563"
  • Bore Dia 1.5"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.151"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.1965"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1563"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 1.75"
  • Cone Backface Backing Diameter 2.01"
  • Cup Frontface Backing Diameter 2.95"
  • Cup Backface Backing Diameter 2.8"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.43"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3381
  • Cup Part Number 3339
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3300
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 25800 lbf
  • Static Radial Load 29100 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 6700 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3130 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 1.500 lb

Features

Performance Features of 3381-3339 Bearing

3381-3339 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 25,800 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

How Is 3381-3339 Bearing Engineered for Reliability?

3381-3339 Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides excellent wear resistance, extending its service life.
Precision tolerances ensure smooth operation, even under demanding conditions.
Its standard radial clearance allows for flexibility in different applications.

Built for Durability: 3381-3339 Bearing

3381-3339 Bearing’s single row construction offers a compact design while maintaining high load capacity.
The steel cage keeps rollers securely in place, minimising wear and improving performance.
With a static radial load rating of 29,100 lbf, it delivers reliable strength for industrial use.
Its ABEC-1 rating ensures consistent quality and precision in operation.

Steel vs Ceramic Bearings: Strengths of 3381-3339 Bearing

3381-3339 Bearing uses chrome steel for both rings and rollers, providing excellent strength and durability.
This material choice makes it more cost-effective than ceramic options while maintaining high performance.
The bearing handles dynamic thrust loads up to 3,130 lbf, suitable for various industrial applications.
Its standard lubrication requirement ensures smooth operation and easy maintenance.

Application

Industrial Uses of 3381-3339 Bearing
The 3381-3339 Bearing is a solid choice for heavy machinery like construction equipment, where its tapered roller design handles combined loads effortlessly. Its chrome steel construction ensures durability even in tough conditions.

In automotive applications, 3381-3339 Bearing works well in wheel hubs and differential systems, thanks to its precise imperial sizing. The open design simplifies lubrication, keeping maintenance straightforward.

For industrial fans and pumps, 3381-3339 Bearing’s standard radial clearance offers reliable performance under varying speeds. Its steel cage adds stability, making it a dependable option for continuous operation.

Where Is 3381-3339 Bearing Used?
You’ll often find 3381-3339 Bearing in agricultural machinery, where its ability to handle radial and thrust loads shines. The ABEC-1 rating ensures consistent performance without overcomplicating precision needs.

In conveyor systems, 3381-3339 Bearing’s robust design keeps things running smoothly under heavy loads. The inch measurements make it a natural fit for North American industrial standards.

Built for Heavy-Duty Use: 3381-3339 Bearing
3381-3339 Bearing excels in mining equipment, where its high dynamic load capacity withstands constant stress. The tapered rollers distribute weight evenly, reducing wear over time.

For gearboxes, 3381-3339 Bearing’s compatibility with Timken models makes replacements easy. Its temperature range suits both indoor and outdoor applications without fuss.

Automotive vs Aerospace: Applications of 3381-3339 Bearing
In automotive settings, 3381-3339 Bearing supports drivetrain components with its balanced load handling. The imperial sizing aligns seamlessly with classic vehicle designs.

While not for aerospace, this bearing thrives in ground-based heavy equipment. Its steel cage and chrome steel rollers offer reliability where precision meets rugged use.

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