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

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

The 377A-372A is a single-row tapered roller bearing with a 2.0625″ bore and 3.8125″ 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, gearboxes, or automotive systems where combined loads are common.

Weighing 1.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for diverse environments.

The standard radial clearance (with options for C3/C4/C5) and ABEC-1 rating ensure consistent performance. Its tapered roller design provides excellent stability under varying load conditions.

Perfect for maintenance tasks, its straightforward installation and lubrication needs make it user-friendly. A dependable choice for engineers and repair professionals alike.

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Product Parameters

  • Part Number 377A-372A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.0625" x 3.8125" x 0.8751"
  • Bore Dia 2.0625"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.8125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.75"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8751"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.190"
  • Cup Backface ToClear Radius 0.06"
  • 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 372A
  • 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 1.500 lb

Features

Performance Features of 377A-372A Bearing

377A-372A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 19,800 lbf, ensuring reliable performance in demanding conditions.
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.

How Is 377A-372A Bearing Engineered for Reliability?

377A-372A Bearing features a single-row tapered roller design, optimised for both radial and thrust 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 under pressure.
The open seal design simplifies maintenance, making it a practical choice for many applications.

Built for Durability: 377A-372A Bearing

377A-372A Bearing’s chrome steel components provide excellent wear resistance and long service life.
The tapered roller design efficiently handles combined loads, reducing stress on the bearing.
With an ABEC-1 rating, it offers reliable precision for various industrial uses.
Its standard lubrication requirement ensures easy upkeep and consistent performance.

Application

Industrial Uses of 377A-372A Bearing
The 377A-372A 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 even in tough working conditions.

Where Is 377A-372A Bearing Used?
You’ll often find the 377A-372A 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: 377A-372A Bearing
The 377A-372A Bearing excels in industrial fans and pumps, where its high dynamic radial load capacity keeps things running smoothly. The steel cage adds extra strength, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 377A-372A Bearing
In automotive settings, the 377A-372A Bearing supports drivetrain components, while in aerospace, it’s used in auxiliary systems due to its precise load handling. The ABEC-1 rating ensures consistent performance across both fields.

Perfect Fit for Automation: 377A-372A Bearing
The 377A-372A Bearing works well in conveyor systems and robotic arms, where its tapered rollers manage radial and thrust loads efficiently. Its standard radial clearance offers flexibility for various automation needs.

Q&A

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