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TS (Single Row Tapered Roller Bearings) (Imperial) 3387-3331

TS (Single Row Tapered Roller Bearings) (Imperial) 3387-3331

The 3387-3331 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. The bearing operates smoothly in temperatures ranging 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 gearboxes, axles, or industrial machinery where combined loads are present.

Weighing 1.5 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 3387-3331
  • 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 0.03"
  • Cone Frontface Backing Diameter 1.75"
  • Cone Backface Backing Diameter 1.77"
  • Cup Frontface Backing Diameter 2.95"
  • Cup Backface Backing Diameter 2.83"
  • 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 3331
  • 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

How Is 3387-3331 Bearing Engineered for Reliability?

3387-3331 Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity of 25800 lbf makes it suitable for heavy-duty applications.

The tapered roller design provides effective load distribution, reducing wear and extending service life.
With a standard radial clearance, it offers reliable performance in various operating conditions.

3387-3331 Bearing operates within a temperature range of -30° to 110°C, maintaining stability in diverse environments.
The steel cage keeps the rollers aligned, ensuring smooth operation and reduced friction.

Designed for easy lubrication, 3387-3331 Bearing simplifies maintenance while enhancing longevity.
Its ABEC-1 rating ensures consistent precision and performance in industrial applications.

Application

Industrial Uses of 3387-3331 Bearing
The 3387-3331 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

Where Is 3387-3331 Bearing Used?
You’ll often find the 3387-3331 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its precise inch sizing makes it a reliable choice for vehicles requiring consistent performance under stress.

Built for Heavy-Duty Use: 3387-3331 Bearing
In conveyor systems, the 3387-3331 Bearing excels due to its ability to manage both radial and thrust loads. The open design allows for easy lubrication, extending its service life in high-use scenarios.

Automotive vs Aerospace: Applications of 3387-3331 Bearing
While the 3387-3331 Bearing is popular in automotive drivetrains, it’s also suitable for aerospace landing gear components. Its robust construction meets the needs of both industries without compromising performance.

Essential Roles of 3387-3331 Bearing
For industrial pumps and compressors, the 3387-3331 Bearing provides reliable support under continuous operation. The steel cage and chrome steel rollers ensure smooth running even at high speeds.

Q&A

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