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TS (Single Row Tapered Roller Bearings) (Imperial) 3387-3329

TS (Single Row Tapered Roller Bearings) (Imperial) 3387-3329

The 3387-3329 is a single-row tapered roller bearing with a 1.5″ bore and 3.2187″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 25800 lbf radially and 3130 lbf in thrust, making it versatile for various applications.

Its open design allows easy lubrication, 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, offering a practical replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 1.6 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 3387-3329
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5" x 3.2187" x 1.1563"
  • Bore Dia 1.5"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.2187"
  • 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 2.8"
  • 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 3387
  • Cup Part Number 3329
  • 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 1.6 lb

Features

Performance Features of 3387-3329 Bearing

3387-3329 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 various applications.
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 diverse conditions.

How Does 3387-3329 Bearing Resist Wear?

3387-3329 Bearing’s tapered roller design distributes loads evenly, minimising wear over time.
The chrome steel construction enhances durability, even under heavy radial or thrust loads.
Its standard radial clearance allows for smooth operation, reducing stress on components.
Regular lubrication ensures consistent performance and prolongs service life.

Engineered for Precision: 3387-3329 Bearing

3387-3329 Bearing features precise tolerances, with bore diameter accuracy within +0.005″ to 0.
The effective centre location of -0.43″ ensures optimal load distribution and alignment.
Its ABEC-1 rating confirms reliable performance for general industrial applications.
The single-row construction simplifies installation while maintaining high load capacity.

Application

Industrial Uses of 3387-3329 Bearing
The 3387-3329 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

Where Is 3387-3329 Bearing Used?
You’ll often find 3387-3329 Bearing in automotive applications, particularly in wheel hubs and differential systems, where its robust design supports both radial and thrust loads. The inch sizing makes it a fit for many North American vehicle models.

Built for Heavy-Duty Use: 3387-3329 Bearing
In industrial settings, 3387-3329 Bearing excels in conveyor systems and gearboxes, thanks to its high dynamic load capacity. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 3387-3329 Bearing
While 3387-3329 Bearing is popular in automotive drivetrains, it’s also suitable for aerospace ground support equipment. Its ABEC-1 rating ensures reliable performance without over-engineering for less critical applications.

Perfect Fit for Automation: 3387-3329 Bearing
In automated production lines, 3387-3329 Bearing supports robotic arms and assembly systems, where precise load handling is key. The steel cage adds stability during high-speed operations.

Q&A

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