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TS (Single Row Tapered Roller Bearings) (Imperial) 397-394ARB

TS (Single Row Tapered Roller Bearings) (Imperial) 397-394ARB

The 397-394ARB is a single-row tapered roller bearing with a 2.36″ bore and 4.33″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 22200 lbf radially and 3970 lbf thrust, suitable for demanding applications.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

Interchangeable with Timken models, it’s a practical choice for replacements. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 2lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 397-394ARB
  • Brand TFL
  • Interchangeable Timken
  • Size 2.3622" x 4.3307" x 0.8661"
  • Bore Dia 2.3622"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.3307"
  • 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 0.03"
  • Cup Backface ToClear Radius 0.050"
  • Cone Frontface Backing Diameter 2.68"
  • Cone Backface Backing Diameter 2.72"
  • Cup Frontface Backing Diameter 4.12"
  • Cup Backface Backing Diameter 3.98"
  • 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 397
  • Cup Part Number 394ARB
  • 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 lb

Features

Why Choose 397-394ARB Bearing for Precision Tasks?

397-394ARB Bearing features a single-row tapered roller design, ideal for handling combined radial and thrust loads.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.

The bearing’s dynamic radial load capacity reaches 22,200 lbf, providing reliable performance under heavy loads.
With an ABEC-1 rating, it offers precision and consistency for various industrial uses.

397-394ARB Bearing operates efficiently within a temperature range of -30° to 110°C.
Its standard radial clearance options (C3/C4/C5) allow flexibility for different operational needs.

The steel cage maintains roller alignment, reducing friction and extending service life.
Easy to install and maintain, 397-394ARB Bearing is a practical choice for many applications.

Application

Industrial Uses of 397-394ARB Bearing
The 397-394ARB Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 397-394ARB Bearing supports wheel hubs and differential systems, providing reliable performance under varying load conditions. The imperial sizing makes it a suitable choice for North American vehicle models.

For industrial conveyor systems, 397-394ARB Bearing’s open design allows for easy lubrication, extending service life in high-load scenarios. The steel cage further enhances its stability during continuous operation.

Where Is 397-394ARB Bearing Used?
You’ll often find 397-394ARB Bearing in agricultural machinery, where its robust design handles the rough conditions of farming equipment. The tapered rollers distribute loads evenly, reducing wear over time.

In mining equipment, 397-394ARB Bearing’s high dynamic radial load capacity makes it ideal for crushers and screens. Its standard radial clearance ensures smooth operation even under heavy stress.

Built for Heavy-Duty Use: 397-394ARB Bearing
The 397-394ARB Bearing excels in forestry machinery, where its combined load capability handles the unpredictable forces of logging operations. The chrome steel rollers resist deformation under extreme pressure.

In material handling systems, 397-394ARB Bearing’s ABEC-1 rating provides sufficient precision for reliable performance. Its temperature range also makes it suitable for both indoor and outdoor applications.

Automotive vs Aerospace: Applications of 397-394ARB Bearing
In automotive drivetrains, 397-394ARB Bearing offers a balance of strength and affordability for mass-produced vehicles. The imperial measurements simplify integration with existing designs.

For aerospace ground support equipment, 397-394ARB Bearing provides dependable performance without the need for specialized maintenance. Its standard lubrication requirements keep operational costs manageable.

Q&A

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