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3779 Single Cones (Imperial)
3779 Single Cones (Imperial)

3779 Single Cones (Imperial)

The 3779 single cones are tapered roller bearings designed for combined loads, with a 1.875-inch bore and made from durable chrome steel. They handle dynamic radial loads up to 27500 lbf and are suitable for temperatures from -30°C to 110°C.

The open design allows for easy maintenance, while the steel cage ensures reliable performance. These cones are part of the 3700 series and come with standard radial clearance, though options like C3, C4, or C5 are available.

Interchangeable with Timken bearings, they offer a practical solution for replacements. Ideal for heavy-duty applications such as industrial machinery or vehicle axles where combined loads are common.

Compliant with RoHS and REACH standards, these bearings are both robust and safe for various uses. Their ABEC-1 rating ensures consistent performance in demanding conditions.

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Product Parameters

  • Part Number 3779
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 3779-3720 , 3779-3720V , 3779-3726 , 3779-3727 , 3779-3730 , 3779-3732 , 3779-3733 , 3779-3735 , 3779-3720-B
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 3700
  • Bore Dia 1.875"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 1.193"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.14"
  • Cone Frontface Backing Diameter 2.17"
  • Cone Backface Backing Diameter 2.4"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.32"
  • Ring 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 Radial Rating(Two Row 1 Million Revolutions)(C1) 47800 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4120 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 12400 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

Performance Features of 3779 Bearing

3779 Bearing is crafted from chrome steel, 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 wear.
With a temperature range of -30° to 110°C, it adapts to various environments.

3779 Bearing’s tapered roller design provides smooth operation under heavy loads.
Its standard radial clearance options allow for flexibility in different applications.

Application

Industrial Uses of 3779 Single Cones
3779 Single Cones are commonly used in heavy machinery, such as construction equipment and mining vehicles, where their tapered roller design handles combined loads effectively. The open seal type allows for easy lubrication, ensuring long service life in demanding conditions.

In automotive applications, 3779 Single Cones support wheel hubs and differential systems, providing reliable performance under varying loads. Their inch sizing makes them compatible with many North American vehicle models, offering a straightforward replacement option.

For industrial gearboxes, 3779 Single Cones excel due to their chrome steel construction and standard radial clearance. This ensures smooth operation and reduces wear, even in high-speed scenarios. The steel cage adds durability, making it a trusted choice for continuous use.

Where Is 3779 Single Cones Used?
You’ll often find 3779 Single Cones in agricultural machinery, like tractors and harvesters, where their robust design handles rough terrain and heavy loads. The tapered rollers distribute stress evenly, preventing premature failure.

In conveyor systems, 3779 Single Cones provide reliable support for rotating shafts, ensuring consistent performance in manufacturing plants. Their ABEC-1 rating balances precision and cost-effectiveness, making them suitable for general industrial use.

Built for Heavy-Duty Use: 3779 Single Cones
3779 Single Cones are ideal for railway applications, such as axle boxes, where their dynamic radial load capacity ensures safety and efficiency. The chrome steel rings and steel cage withstand constant vibration and high loads.

In wind turbine gearboxes, 3779 Single Cones offer dependable performance, thanks to their temperature resistance and standard radial clearance. Their design minimises friction, extending the lifespan of critical components.

Automotive vs Aerospace: Applications of 3779 Single Cones
In automotive systems, 3779 Single Cones are favoured for their durability in wheel bearings and transmissions. Their inch measurements simplify maintenance and replacements for mechanics.

For aerospace ground equipment, 3779 Single Cones provide reliable support in loading vehicles and maintenance tools. While not used in-flight, their robust construction ensures smooth operation in ground-based applications.

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