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TS (Single Row Tapered Roller Bearings) (Imperial) 3387-3320

TS (Single Row Tapered Roller Bearings) (Imperial) 3387-3320

The 3387-3320 is a single-row tapered roller bearing with a 1.5″ bore and 3.1562″ 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 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 systems 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 diverse environments.

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Product Parameters

  • Part Number 3387-3320
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5" x 3.1562" x 1.1563"
  • Bore Dia 1.5"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.1562"
  • 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 0.03"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.75"
  • Cone Backface Backing Diameter 1.77"
  • Cup Frontface Backing Diameter 2.99"
  • Cup Backface Backing Diameter 2.76"
  • 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 3387
  • Cup Part Number 3320
  • 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 3387-3320 Bearing

3387-3320 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 25,800 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 3387-3320 Bearing Engineered for Reliability?

3387-3320 Bearing features a single-row tapered roller design, ideal for handling both radial and thrust loads.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its effective center location of -0.43″ enhances stability during use.
This bearing is interchangeable with Timken models, offering flexibility in replacements.

Built for Durability: 3387-3320 Bearing

3387-3320 Bearing’s chrome steel rollers and rings resist wear, even under heavy loads.
The steel cage design keeps rollers in place, minimising maintenance needs.
With a static radial load capacity of 29,100 lbf, it suits industrial applications.
Its ABEC-1 rating ensures consistent performance in precision tasks.

Application

Industrial Uses of 3387-3320 Bearing
The 3387-3320 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in rugged environments.

In automotive applications, 3387-3320 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it a convenient choice for North American vehicle models.

For industrial conveyor systems, 3387-3320 Bearing’s open design allows for easy lubrication, extending service life in high-load scenarios. The steel cage adds stability during continuous operation.

Where Is 3387-3320 Bearing Used?
You’ll often find 3387-3320 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design handles dusty conditions. The tapered rollers distribute loads evenly for smoother operation.

In mining equipment, 3387-3320 Bearing’s high dynamic radial load capacity makes it suitable for crushers and screens. Its standard radial clearance accommodates thermal expansion during heavy use.

Built for Heavy-Duty Use: 3387-3320 Bearing
3387-3320 Bearing excels in forestry equipment like log splitters, thanks to its combined load capability. The chrome steel rollers resist wear even under constant stress.

For material handling systems, 3387-3320 Bearing’s ABEC-1 rating ensures consistent performance without over-engineering. Its straightforward lubrication needs reduce maintenance downtime.

Automotive vs Industrial: Applications of 3387-3320 Bearing
In trucks, 3387-3320 Bearing supports axle assemblies, balancing radial and thrust loads efficiently. The inch measurements simplify replacements in older vehicle models.

For factory machinery, 3387-3320 Bearing’s temperature tolerance (-30° to 110°C) suits both indoor and outdoor applications. The steel cage prevents roller misalignment during sudden stops.

Q&A

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