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TS (Single Row Tapered Roller Bearings) (Imperial) 399A-394CS

TS (Single Row Tapered Roller Bearings) (Imperial) 399A-394CS

The 399A-394CS is a single-row tapered roller bearing with a 2.6875″ bore and 4.468″ outer diameter, crafted from sturdy 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 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 1.8 lb, it balances strength and manageability. Compliant with RoHS and REACH standards for safe and eco-friendly use.

The standard radial clearance ensures easy installation, with options for C3, C4, or C5 available. Its tapered roller design provides efficient load distribution and long service life.

Perfect for applications requiring precise alignment and robust performance, such as gearboxes or wheel hubs. The ABEC-1 rating guarantees consistent quality for general industrial use.

Maintenance is straightforward thanks to its open structure, allowing regular greasing. The chrome steel rollers and rings resist wear, even under demanding conditions.

Suitable for both radial and thrust loads, this bearing adapts well to dynamic environments. Its compact width of 0.8661″ fits neatly in tight spaces without compromising strength.

The precise tolerances ensure reliable performance, while the steel cage maintains roller alignment. A practical choice for engineers seeking durability and interchangeability in imperial-sized bearings.

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Product Parameters

  • Part Number 399A-394CS
  • Brand TFL
  • Interchangeable Timken
  • Size 2.6875" x 4.468" x 0.8661"
  • Bore Dia 2.6875"
  • 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 0.7411"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8661"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.050"
  • Cone Frontface Backing Diameter 3.54"
  • Cone Backface Backing Diameter 3.07"
  • 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 399A
  • Cup Part Number 394CS
  • 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 1.8 lb

Features

Performance Features of 399A-394CS Bearing

399A-394CS Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 22,200 lbf, ensuring reliable performance in heavy-duty 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 various environments.

Why Choose 399A-394CS Bearing for Precision Tasks?

399A-394CS Bearing features precise cone and cup dimensions, ensuring accurate alignment for combined loads.
The tapered roller design distributes loads evenly, enhancing stability and reducing wear.
Its standard radial clearance and ABEC-1 rating make it suitable for precision applications.
The open design allows for easy lubrication, maintaining smooth operation over time.

Engineered for Reliability: 399A-394CS Bearing

399A-394CS Bearing’s chrome steel construction provides durability and resistance to wear.
The single-row design ensures consistent performance under dynamic radial and thrust loads.
With a static radial load capacity of 28,100 lbf, it handles demanding conditions effectively.
Its standardised dimensions make it interchangeable with Timken bearings, offering flexibility.

Application

Industrial Uses of 399A-394CS Bearing
The 399A-394CS Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough working conditions.

Where Is 399A-394CS Bearing Used?
You’ll often find the 399A-394CS Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a good fit for American-made vehicles, and the open design allows for easy lubrication.

Built for Heavy-Duty Use: 399A-394CS Bearing
In industrial settings, the 399A-394CS Bearing excels in conveyor systems and gearboxes, thanks to its high dynamic radial load capacity. The steel cage adds extra strength, making it reliable for long-term use.

Automotive vs Aerospace: Applications of 399A-394CS Bearing
While the 399A-394CS Bearing is popular in automotive systems like axles, it’s also suitable for aerospace ground support equipment. Its temperature range and ABEC-1 rating ensure consistent performance in varied environments.

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