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TS (Single Row Tapered Roller Bearings) (Imperial) 377A-372

TS (Single Row Tapered Roller Bearings) (Imperial) 377A-372

The 377A-372 is a single-row tapered roller bearing with a 2.0625″ bore and 3.937″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 19800 lbf radially and 2970 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 or automotive systems where combined loads are common.

Weighing 1.8 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 377A-372
  • Brand TFL
  • Interchangeable Timken
  • Size 2.0625" x 3.937" x 0.9843"
  • Bore Dia 2.0625"
  • 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 0.190"
  • Cup Backface ToClear Radius 0.08"
  • Cone Frontface Backing Diameter 2.28"
  • Cone Backface Backing Diameter 2.64"
  • 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 377A
  • 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 1.8 lb

Features

Performance Features of 377A-372 Bearing

377A-372 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 19,800 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 377A-372 Bearing Engineered for Reliability?

377A-372 Bearing features a single-row tapered roller design, providing stability under combined loads.
The chrome steel construction enhances durability, while the standard radial clearance allows for smooth operation.
Its dynamic thrust rating of 2,970 lbf ensures consistent performance in demanding environments.
This bearing is interchangeable with Timken models, offering flexibility in replacements.

Built for Durability: 377A-372 Bearing

377A-372 Bearing’s chrome steel rollers and rings are designed to withstand high radial and thrust loads.
The steel cage maintains roller positioning, minimising wear and improving efficiency.
With a static radial load capacity of 22,700 lbf, it excels in heavy industrial applications.
Its ABEC-1 rating ensures reliable precision for various mechanical systems.

Steel vs Ceramic Bearings: Strengths of 377A-372 Bearing

377A-372 Bearing uses chrome steel for both rollers and rings, providing excellent strength and durability.
This material choice makes it more cost-effective than ceramic bearings while maintaining high performance.
The bearing’s dynamic radial rating of 5,120 lbf (C90) ensures long service life under typical operating conditions.
Its standard lubrication requirement simplifies maintenance compared to specialised ceramic bearing care.

Application

Industrial Uses of 377A-372 Bearing
377A-372 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 377A-372 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a straightforward replacement for Timken equivalents.

For industrial gearboxes, 377A-372 Bearing’s single-row design offers precise alignment and smooth operation. The steel cage adds strength, making it suitable for high-load scenarios.

Where Is 377A-372 Bearing Used?
You’ll often find 377A-372 Bearing in agricultural machinery, where its robust design handles dirt and debris without compromising performance. The open seal type allows for easy lubrication maintenance.

In conveyor systems, 377A-372 Bearing supports heavy rollers, ensuring smooth material handling. Its standard radial clearance makes it versatile for various operational conditions.

Built for Heavy-Duty Use: 377A-372 Bearing
377A-372 Bearing excels in mining equipment, where its dynamic radial load capacity withstands extreme conditions. The tapered rollers distribute stress evenly, reducing wear over time.

For forestry machinery, 377A-372 Bearing’s temperature range ensures reliability in both hot and cold environments. Its ABEC-1 rating balances precision and cost-effectiveness.

Automotive vs Aerospace: Applications of 377A-372 Bearing
In automotive systems, 377A-372 Bearing is ideal for drivetrain components, offering a balance of strength and precision. The inch measurements simplify integration into existing designs.

For aerospace ground equipment, 377A-372 Bearing provides dependable performance in landing gear servicing tools. Its compliance with RoHS and REACH standards ensures environmental safety.

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