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TS (Single Row Tapered Roller Bearings) (Imperial) 339-333

TS (Single Row Tapered Roller Bearings) (Imperial) 339-333

The 339-333 is a single-row tapered roller bearing with a 1.378″ bore and 3.1496″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 21200 lbf radially and 2570 lbf in thrust, making it versatile for various applications.

Its open design allows 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 machinery like gearboxes or wheel hubs where combined loads are common.

Weighing 1.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use.

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Product Parameters

  • Part Number 339-333
  • Brand TFL
  • Interchangeable Timken
  • Size 1.378" x 3.1496" x 0.8268"
  • Bore Dia 1.378"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.1496"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.882"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.8268"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8268"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.08"
  • Cone Frontface Backing Diameter 1.63"
  • Cone Backface Backing Diameter 1.67"
  • Cup Frontface Backing Diameter 3.03"
  • Cup Backface Backing Diameter 2.83"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0"
  • Effective Center Location -0.25"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 339
  • Cup Part Number 333
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 335
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 21200 lbf
  • Static Radial Load 18700 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5490 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2570 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 1.2 lb

Features

How Does 339-333 Bearing Handle Combined Loads?

339-333 Bearing is crafted with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 21,200 lbf, making it suitable for demanding industrial applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing friction.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

What Makes 339-333 Bearing Suitable for High-Temperature Applications?

339-333 Bearing operates effectively in temperatures ranging from -30° to 110°C, maintaining consistent performance.
The chrome steel construction resists wear and deformation under thermal stress.
Its open design allows for easy lubrication, ensuring smooth operation in high-heat environments.
The standard radial clearance options provide flexibility for different thermal expansion needs.

Engineered for Precision: 339-333 Bearing

339-333 Bearing features precise dimensions, with a bore diameter tolerance of +0.005″ to 0.
Its tapered roller design ensures accurate load distribution, reducing stress concentrations.
The steel cage maintains roller spacing, contributing to smooth and quiet operation.
This bearing is ideal for applications requiring both radial and thrust load support.

Application

Industrial Uses of 339-333 Bearing
The 339-333 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

What Makes 339-333 Bearing a Preferred Choice?
In automotive applications, 339-333 Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. The inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 339-333 Bearing
For industrial fans and pumps, 339-333 Bearing’s open design allows easy lubrication, extending its service life in high-speed operations. The steel cage adds stability, reducing wear over time.

Automotive vs Aerospace: Applications of 339-333 Bearing
While 339-333 Bearing excels in truck axles and drivetrains, its precision also suits aerospace components like landing gear systems. The ABEC-1 rating ensures consistent performance in both fields.

Q&A

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