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TS (Single Row Tapered Roller Bearings) (Imperial) 3386-3331

TS (Single Row Tapered Roller Bearings) (Imperial) 3386-3331

The 3386-3331 is a single-row tapered roller bearing with a 1.5625″ bore and 3.1562″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 25800 lbf radially and 3130 lbf thrust, suitable for demanding 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.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy-duty machinery or automotive uses where combined loads are common.

Weighing 1.5 lb, it offers a balance of strength and manageable size. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number 3386-3331
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5625" x 3.1562" x 1.1563"
  • Bore Dia 1.5625"
  • 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 1.79"
  • Cone Backface Backing Diameter 1.83"
  • 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 3386
  • 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

Performance Features of 3386-3331 Bearing

3386-3331 Bearing is crafted with chrome steel rings and rollers, offering robust performance under 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 varied conditions.

3386-3331 Bearing’s standard radial clearance allows for smooth operation in most industrial settings.
Its ABEC-1 rating ensures consistent precision for general applications.

Application

Industrial Uses of 3386-3331 Bearing
The 3386-3331 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.

In automotive applications, 3386-3331 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it a straightforward replacement for many North American vehicle models.

For industrial conveyor systems, 3386-3331 Bearing’s open design allows easy lubrication, extending service life in high-load scenarios. The steel cage adds stability, making it suitable for continuous operation.

Where Is 3386-3331 Bearing Used?
You’ll often find 3386-3331 Bearing in mining equipment, where its robust design handles heavy radial and thrust loads. The standard radial clearance ensures smooth operation in dusty conditions.

In power transmission systems, 3386-3331 Bearing supports shafts and gears, thanks to its tapered rollers distributing loads evenly. The ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 3386-3331 Bearing
3386-3331 Bearing excels in forestry machinery, where its chrome steel rollers withstand shock loads and rough terrain. The open seal design simplifies maintenance in remote locations.

For railway applications, 3386-3331 Bearing’s effective center location helps manage misalignment in axle boxes. Its temperature range (-30° to 110°C) ensures reliability in diverse climates.

Automotive vs Aerospace: Applications of 3386-3331 Bearing
In automotive drivetrains, 3386-3331 Bearing handles high torque, while its aerospace uses are limited by weight constraints. The imperial sizing suits older machinery upgrades perfectly.

For industrial pumps, 3386-3331 Bearing’s dynamic thrust rating (3130 lbf) ensures longevity in continuous operation. The steel cage prevents roller skewing during high-speed cycles.

Q&A

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