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TS (Single Row Tapered Roller Bearings) (Imperial) 398-393C

TS (Single Row Tapered Roller Bearings) (Imperial) 398-393C

The 398-393C is a single-row tapered roller bearing with a 2″ bore and 4.468″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 22200 lbf radially and 3970 lbf in thrust, making it versatile for various applications.

Its open design allows for 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 industrial machinery or automotive systems where combined loads are common.

Weighing 2.6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments. The ABEC-1 rating ensures consistent performance.

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Product Parameters

  • Part Number 398-393C
  • Brand TFL
  • Interchangeable Timken
  • Size 2" x 4.468" x 0.931"
  • Bore Dia 2"
  • 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 0.03"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 2.4"
  • Cone Backface Backing Diameter 2.44"
  • 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 398
  • 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 2.6 lb

Features

How Is 398-393C Bearing Engineered for Reliability?

398-393C Bearing features chrome steel rings and rollers, providing strong resistance to combined loads.
Its dynamic radial load capacity reaches 22,200 lbf, ensuring dependable 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 reliably in diverse conditions.

Structural Advantages of 398-393C Bearing

398-393C Bearing’s tapered roller design efficiently handles both radial and thrust loads.
The precise cone and cup dimensions ensure smooth operation and easy installation.
Its standard radial clearance allows for flexibility in different operational settings.
The open seal type simplifies maintenance while keeping contaminants at bay.

Why Choose 398-393C Bearing for Precision Tasks?

398-393C Bearing’s ABEC-1 rating ensures consistent performance in precision applications.
The chrome steel construction offers durability and resistance to wear under heavy loads.
Its effective center location enhances stability during operation.
With a dynamic thrust rating of 3,970 lbf, it balances precision and strength.

Application

Industrial Uses of 398-393C Bearing
The 398-393C Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

Where Is 398-393C Bearing Used?
You’ll often find the 398-393C Bearing in automotive applications like truck wheel hubs, where its robust design supports high loads and long service life. The inch sizing makes it a straightforward fit for many North American vehicle models.

Built for Heavy-Duty Use: 398-393C Bearing
In industrial settings like conveyor systems, the 398-393C Bearing’s open design allows for easy lubrication, reducing downtime. Its steel cage adds stability, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 398-393C Bearing
While the 398-393C Bearing excels in automotive wheel hubs, it’s also suitable for aerospace ground support equipment, thanks to its precise load handling. The standard radial clearance ensures smooth performance across different temperatures.

Key Fields for 398-393C Bearing
The 398-393C Bearing is a go-to choice for mining equipment, where its tapered rollers manage heavy radial and axial loads. Its ABEC-1 rating balances precision and cost-effectiveness for industrial applications.

Q&A

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