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TS (Single Row Tapered Roller Bearings) (Imperial) 390-393C

TS (Single Row Tapered Roller Bearings) (Imperial) 390-393C

The 390-393C is a single-row tapered roller bearing with a 2.25″ bore and 4.468″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 22200 lbf radially and 3970 lbf thrust, making it versatile for various applications.

Its open design allows for 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 2.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use.

The standard radial clearance and ABEC-1 rating ensure consistent performance. Suitable for applications requiring durability and ease of maintenance.

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Product Parameters

  • Part Number 390-393C
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 4.468" x 0.931"
  • Bore Dia 2.25"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.468"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.866"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.806"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.931"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 2.6"
  • Cone Backface Backing Diameter 2.76"
  • Cup Frontface Backing Diameter 4.18"
  • Cup Backface Backing Diameter 4.02"
  • Cage Cone Frontface Clearance 0.11"
  • Cage Cone Backface Clearance 0.05"
  • Effective Center Location -0.03"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 390
  • Cup Part Number 393C
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 395
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 22200 lbf
  • Static Radial Load 28100 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5760 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3970 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 2.4 lb

Features

How Is 390-393C Bearing Engineered for Reliability?

390-393C Bearing features chrome steel rings and rollers, designed to handle combined loads with ease.
Its dynamic radial load capacity reaches 22,200 lbf, ensuring robust performance in demanding conditions.

The tapered roller design provides effective load distribution, reducing stress on individual components.
With a standard radial clearance, it offers flexibility for various applications.

390-393C Bearing operates within a temperature range of -30° to 110°C, suitable for diverse environments.
Its steel cage maintains roller alignment, enhancing durability and reducing maintenance needs.

Application

Industrial Uses of 390-393C Bearing
The 390-393C Bearing is widely used in heavy machinery, such as construction equipment and agricultural gear, where combined radial and thrust loads are common. Its tapered roller design ensures smooth operation even under demanding conditions.

Where Is 390-393C Bearing Used?
You’ll often find the 390-393C Bearing in automotive applications like truck wheel hubs, where its durability handles high loads and rough terrain. The inch sizing makes it a straightforward fit for many American-made vehicles.

Built for Heavy-Duty Use: 390-393C Bearing
This bearing excels in industrial settings like conveyor systems, thanks to its chrome steel construction and open design for easy lubrication. It’s a reliable choice for long-term use in harsh environments.

Automotive vs Aerospace: Applications of 390-393C Bearing
In automotive systems, the 390-393C Bearing supports wheel hubs and transmissions, while its precision also suits aerospace landing gear components. The tapered rollers provide stability under varying load conditions.

Perfect Fit for Automation: 390-393C Bearing
The 390-393C Bearing works well in automated machinery, such as robotic arms, where consistent performance is key. Its steel cage and chrome steel rollers ensure minimal wear over time.

Q&A

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