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TS (Single Row Tapered Roller Bearings) (Imperial) 378A-372

TS (Single Row Tapered Roller Bearings) (Imperial) 378A-372

The 378A-372 is a single-row tapered roller bearing with a 1.968″ bore and 3.937″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 19800 lbf radially and 2970 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 1.900 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

The standard radial clearance and ABEC-1 rating ensure consistent performance. Suitable for setups requiring precise alignment and long service life.

Its tapered roller design efficiently distributes loads, reducing wear over time. A practical choice for maintenance-heavy environments.

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Product Parameters

  • Part Number 378A-372
  • Brand TFL
  • Interchangeable Timken
  • Size 1.968" x 3.937" x 0.9843"
  • Bore Dia 1.968"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.937"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.8592"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.9843"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.08"
  • Cone Frontface Backing Diameter 2.2"
  • Cone Backface Backing Diameter 2.36"
  • Cup Frontface Backing Diameter 3.56"
  • Cup Backface Backing Diameter 3.39"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.01"
  • Effective Center Location -0.15"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 378A
  • Cup Part Number 372
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 375
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 19800 lbf
  • Static Radial Load 22700 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5120 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2970 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 1.900 lb

Features

How Is 378A-372 Bearing Engineered for Reliability?

378A-372 Bearing features chrome steel rings and rollers, ensuring strong resistance to combined loads.
Its dynamic radial load capacity reaches 19,800 lbf, making it suitable for heavy-duty applications.

The steel cage maintains roller alignment, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

378A-372 Bearing’s standard radial clearance offers flexibility for different operational needs.
Its tapered roller design ensures smooth operation under both radial and thrust loads.

Application

Industrial Uses of 378A-372 Bearing
378A-372 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 378A-372 Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 378A-372 Bearing’s open design allows for easy lubrication, extending service life in high-load scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 378A-372 Bearing Used?
You’ll often find 378A-372 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design handles rough conditions. The standard radial clearance ensures smooth operation even with varying loads.

In mining equipment, 378A-372 Bearing’s ability to manage heavy radial and thrust loads makes it a go-to choice for crushers and screens. The ABEC-1 rating provides a balance of precision and cost-effectiveness for these applications.

Built for Heavy-Duty Use: 378A-372 Bearing
378A-372 Bearing excels in forestry equipment like log splitters, where its tapered rollers distribute loads evenly. The chrome steel rollers resist wear, reducing maintenance needs over time.

For material handling systems, 378A-372 Bearing’s inch dimensions and open design simplify installation and upkeep. Its temperature range (-30° to 110°C) ensures reliability in diverse operating conditions.

Automotive vs Aerospace: Applications of 378A-372 Bearing
In automotive settings, 378A-372 Bearing is ideal for drivetrain components, offering a balance of strength and precision. Its compatibility with Timken models makes it a versatile replacement option.

For aerospace ground support equipment, 378A-372 Bearing’s static radial load capacity (22,700 lbf) ensures stability in heavy-load scenarios. The steel cage provides added resilience for frequent use.

Q&A

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