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TS (Single Row Tapered Roller Bearings) (Imperial) 3774-3720

TS (Single Row Tapered Roller Bearings) (Imperial) 3774-3720

The 3774-3720 is a single-row tapered roller bearing with a 1.5625″ bore and 3.6718″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 27500 lbf radially and 4120 lbf in thrust, making it versatile for various applications.

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

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

Weighing 2.3 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice.

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Product Parameters

  • Part Number 3774-3720
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5625" x 3.6718" x 1.1875"
  • Bore Dia 1.5625"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.6718"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.193"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.93"
  • Cone Backface Backing Diameter 2.17"
  • Cup Frontface Backing Diameter 3.50"
  • Cup Backface Backing Diameter 3.23"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.32"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3774
  • Cup Part Number 3720
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 27500 lbf
  • Static Radial Load 34300 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 7120 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4120 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 2.3 lb

Features

Performance Features of 3774-3720 Bearing

3774-3720 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 27,500 lbf, ensuring reliable performance in tough conditions.

The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it adapts well to various working environments.

3774-3720 Bearing requires regular lubrication, enhancing its durability and smooth operation.
The standard radial clearance options provide flexibility for different application needs.

Application

Industrial Uses of 3774-3720 Bearing
The 3774-3720 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability in demanding environments.

Where Is 3774-3720 Bearing Used?
You’ll often find 3774-3720 Bearing in automotive applications like wheel hubs and differentials, where its high dynamic load capacity keeps things running smoothly. The inch sizing makes it a go-to for American-made vehicles.

Built for Heavy-Duty Use: 3774-3720 Bearing
In conveyor systems, 3774-3720 Bearing excels at handling both radial and thrust loads, thanks to its single-row tapered design. The steel cage adds extra strength, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 3774-3720 Bearing
While 3774-3720 Bearing is popular in trucks and tractors, its precision also suits aerospace components like landing gear. The ABEC-1 rating ensures consistent performance in both fields.

Perfect Fit for Automation: 3774-3720 Bearing
For robotic arms and assembly line equipment, 3774-3720 Bearing offers smooth rotation under varying loads. Its standard radial clearance adapts well to different automation setups.

Q&A

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