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TS (Single Row Tapered Roller Bearings) (Imperial) 78238-78571

TS (Single Row Tapered Roller Bearings) (Imperial) 78238-78571

The 78238-78571 is a single-row tapered roller bearing with a 2.375″ bore and 5.708″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 45600 lbf radially and 17500 lbf 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, gearboxes, or automotive systems where combined loads are common.

Weighing 5.8 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for diverse environments.

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Product Parameters

  • Part Number 78238-78571
  • Brand TFL
  • Interchangeable Timken
  • Size 2.375" x 5.708" x 1.4173"
  • Bore Dia 2.375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.708"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.3085"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9058"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.4173"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.2"
  • Cup Backface ToClear Radius 0.140"
  • Cone Frontface Backing Diameter 3.1"
  • Cone Backface Backing Diameter 3.46"
  • Cup Frontface Backing Diameter 5.22"
  • Cup Backface Backing Diameter 4.65"
  • Cage Cone Frontface Clearance 0.2"
  • Cage Cone Backface Clearance 0.24"
  • Effective Center Location 0.31"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 78238
  • Cup Part Number 78571
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 78000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 45600 lbf
  • Static Radial Load 43400 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 11800 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 17500 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 5.8 lb

Features

How Is 78238-78571 Bearing Engineered for Reliability?

78238-78571 Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 45,600 lbf, making it suitable for heavy-duty applications.

The tapered roller design distributes loads evenly, reducing stress and extending service life.
With a standard radial clearance, it offers reliable performance in various operating conditions.

78238-78571 Bearing operates within a temperature range of -30° to 110°C, maintaining stability in diverse environments.
The steel cage keeps rollers aligned, ensuring smooth operation and minimal wear.

Its ABEC-1 rating guarantees consistent precision, ideal for industrial and automotive uses.
The open design allows for easy lubrication, enhancing long-term performance.

Application

Industrial Uses of 78238-78571 Bearing
78238-78571 Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 78238-78571 Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high stress. Its imperial sizing makes it a straightforward replacement for Timken equivalents.

For industrial gearboxes, 78238-78571 Bearing’s single-row design offers precise alignment and smooth operation. The steel cage adds stability, making it suitable for continuous use in production lines.

Where Is 78238-78571 Bearing Used?
78238-78571 Bearing can be found in agricultural machinery, particularly in tractor transmissions and harvesters. Its robust design copes well with dust and varying loads.

The bearing also works effectively in railway applications, supporting axles and bogies. Its temperature range ensures performance in both cold and moderately hot environments.

Built for Heavy-Duty Use: 78238-78571 Bearing
78238-78571 Bearing excels in forestry equipment like log splitters and sawmills. The tapered rollers distribute loads evenly, reducing wear over time.

In material handling systems, this bearing supports conveyor rollers and lifting mechanisms. Its ABEC-1 rating balances precision and cost for general industrial needs.

Automotive vs Aerospace: Applications of 78238-78571 Bearing
78238-78571 Bearing is versatile enough for automotive drivetrains but also suits aerospace ground support equipment. The inch measurements align with many US-made components.

Its open design simplifies lubrication, a plus for maintenance-heavy industries. The standard radial clearance options cater to different operational requirements.

Q&A

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