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TS (Single Row Tapered Roller Bearings) (Imperial) 3778-3720V

TS (Single Row Tapered Roller Bearings) (Imperial) 3778-3720V

The 3778-3720V is a single-row tapered roller bearing with a 1.875″ bore and 3.6718″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 27500 lbf radially and 4120 lbf thrust, making it versatile for heavy-duty use.

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

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for applications like automotive axles or machinery where combined loads are common.

Weighing 1.900 lb, it balances strength and manageability. Compliant with RoHS and REACH standards for safe and eco-friendly use.

The tapered roller design provides effective load distribution, enhancing durability. Its standard radial clearance ensures easy installation and maintenance.

Perfect for scenarios requiring robust performance, such as construction equipment or agricultural machinery. The ABEC-1 rating confirms its reliable precision for general industrial use.

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Product Parameters

  • Part Number 3778-3720V
  • Brand TFL
  • Interchangeable Timken
  • Size 1.875" x 3.6718" x 1.1876"
  • Bore Dia 1.875"
  • 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 1.1876"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.17"
  • Cone Backface Backing Diameter 2.64"
  • 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 3778
  • Cup Part Number 3720V
  • 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 1.900 lb

Features

Performance Features of 3778-3720V Bearing

3778-3720V Bearing is crafted from chrome steel for both rings and rollers, ensuring strength and durability.
Its dynamic radial load capacity reaches 27,500 lbf, making it suitable for heavy-duty applications.

The tapered roller design efficiently handles combined loads, providing reliable performance.
With a standard radial clearance, it offers flexibility for various operational needs.

3778-3720V Bearing operates within a temperature range of -30° to 110°C, adapting to diverse environments.
The steel cage maintains roller alignment, reducing wear and extending service life.

Easy to install and maintain, 3778-3720V Bearing simplifies integration into existing systems.
Its ABEC-1 rating ensures consistent precision for industrial applications.

Application

Industrial Uses of 3778-3720V Bearing
The 3778-3720V 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 even in demanding environments, making it a reliable choice for long-term use.

Where Is 3778-3720V Bearing Used?
You’ll often find the 3778-3720V Bearing in automotive applications like wheel hubs and differentials, where its ability to manage both radial and thrust loads is essential.
The inch sizing makes it a perfect fit for North American machinery, ensuring easy compatibility with existing systems.

Built for Heavy-Duty Use: 3778-3720V Bearing
In industrial settings like conveyor systems, the 3778-3720V Bearing stands up to continuous operation without compromising performance.
The open design allows for straightforward lubrication, which helps maintain smooth operation over time.

Automotive vs Aerospace: Applications of 3778-3720V Bearing
While the 3778-3720V Bearing excels in automotive applications like transmissions, it’s also suitable for aerospace ground support equipment.
Its robust construction and standard radial clearance make it versatile for various load conditions.

Key Fields for 3778-3720V Bearing
The 3778-3720V Bearing is a go-to choice for mining equipment, where its high dynamic radial load capacity ensures reliable performance.
The steel cage adds extra strength, making it suitable for high-vibration environments.

Q&A

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