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TS (Single Row Tapered Roller Bearings) (Imperial) 377-374

TS (Single Row Tapered Roller Bearings) (Imperial) 377-374

The 377-374 is a single-row tapered roller bearing with a 2.0625″ bore and 3.6718″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 23400 lbf radially and 3520 lbf thrust-wise, suitable for moderate-speed applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under stress. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for use in gearboxes, axles, or industrial machinery where combined loads are present.

Weighing 1.3 lb, it offers a balance of strength and manageable size. Compliant with RoHS and REACH standards, it’s a reliable option for various engineering needs.

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Product Parameters

  • Part Number 377-374
  • Brand TFL
  • Interchangeable Timken
  • Size 2.0625" x 3.6718" x 0.8125"
  • Bore Dia 2.0625"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.6718"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.5938"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8125"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.050"
  • Cone Frontface Backing Diameter 2.28"
  • Cone Backface Backing Diameter 2.44"
  • Cup Frontface Backing Diameter 3.50"
  • Cup Backface Backing Diameter 3.35"
  • 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 374
  • 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 1.3 lb

Features

Why Choose 377-374 Bearing for Precision Tasks?

377-374 Bearing features a single row tapered roller design, ideal for handling combined loads with precision.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.

The bearing’s dynamic radial load capacity of 23,400 lbf makes it suitable for heavy-duty operations.
With an ABEC-1 rating, it balances performance and cost-effectiveness for various industrial uses.

377-374 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its standard radial clearance options provide flexibility for different operational requirements.

The steel cage maintains roller alignment, reducing friction and extending service life.
This design ensures reliable performance even under continuous heavy loads.

Application

Industrial Uses of 377-374 Bearing
The 377-374 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in tough working conditions.

Where Is 377-374 Bearing Used?
You’ll often find 377-374 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a good fit for older or custom-built vehicles, especially in the US market.

Built for Heavy-Duty Use: 377-374 Bearing
377-374 Bearing works well in conveyor systems and industrial fans, thanks to its ability to manage both radial and thrust loads. The open design simplifies lubrication, which is handy for maintenance in dusty environments.

Automotive vs Aerospace: Applications of 377-374 Bearing
In automotive settings, 377-374 Bearing supports drivetrain components, while its precision makes it suitable for certain aerospace ground support equipment. The ABEC-1 rating balances performance and cost for these uses.

Perfect Fit for Automation: 377-374 Bearing
377-374 Bearing is a reliable choice for automated assembly lines, where consistent performance under varying loads matters. Its steel cage and chrome steel rollers provide steady operation over long periods.

Q&A

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