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

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

The 377-372A 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 23400 lbf radially and 3520 lbf thrust-wise, 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, making it versatile for various environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy-duty machinery like gearboxes or automotive systems where combined loads are common.

Weighing 1.5 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 377-372A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.0625" x 3.8125" x 0.875"
  • 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 0.875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 2.28"
  • Cone Backface Backing Diameter 2.44"
  • 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 377
  • 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 23400 lbf
  • Static Radial Load 22700 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 6070 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3520 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 377-372A Bearing

377-372A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 23,400 lbf, ensuring reliable performance in various applications.
The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in diverse conditions.

How Does 377-372A Bearing Reduce Friction?

377-372A Bearing’s tapered roller design minimises friction, promoting smooth operation under heavy loads.
The chrome steel construction ensures durability while maintaining efficient performance.
Its standard radial clearance allows for optimal lubrication, further reducing wear.
This makes it a reliable choice for industrial and automotive applications.

Engineered for Precision: 377-372A Bearing

377-372A Bearing features precise dimensions with tight tolerances, ensuring accurate fit and performance.
The single row construction provides stability and handles both radial and thrust loads effectively.
Its ABEC-1 rating confirms consistent quality for general precision applications.
The bearing’s design balances strength and efficiency in demanding environments.

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

377-372A Bearing uses chrome steel for both rings and rollers, offering excellent strength-to-weight ratio.
This material choice provides good wear resistance and cost-effectiveness compared to ceramic options.
The steel cage adds durability while maintaining proper roller spacing.
With its 90 million revolutions dynamic rating, it delivers long-lasting performance.

Application

Industrial Uses of 377-372A Bearing
The 377-372A Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

Where Is 377-372A Bearing Used?
You’ll often find the 377-372A Bearing in automotive applications like wheel hubs and differentials, thanks to its ability to manage both radial and thrust loads. The imperial sizing makes it a straightforward fit for many US-made vehicles.

Built for Heavy-Duty Use: 377-372A Bearing
In industrial settings like conveyor systems, the 377-372A Bearing’s open design allows for easy lubrication, extending its service life. The steel cage adds extra strength, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 377-372A Bearing
While the 377-372A Bearing excels in automotive wheel assemblies, it’s also suitable for aerospace ground support equipment. Its ABEC-1 rating ensures consistent performance without over-engineering for less critical applications.

Perfect Fit for Automation: 377-372A Bearing
The 377-372A Bearing works well in automated machinery, such as packaging lines, where precise movement is key. Its standard radial clearance offers a balance between performance and ease of installation.

Q&A

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