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2789 Single Cones (Imperial)
2789 Single Cones (Imperial)

2789 Single Cones (Imperial)

The 2789 single cones are imperial-sized tapered roller bearings with a 1.5625″ bore, designed for combined loads. Made from durable chrome steel, they handle dynamic radial loads up to 19500 lbf and static loads up to 23000 lbf.

Their single-row construction and open design allow for easy maintenance and smooth operation. The steel cage ensures reliable performance, even in temperatures ranging from -30°C to 110°C.

These cones are interchangeable with Timken bearings, making them a practical choice for replacements. Ideal for heavy-duty applications like truck axles or industrial machinery where combined loads are common.

With standard radial clearance and ABEC-1 rating, they offer a balance of precision and durability. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 2789
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 2789-2720 , 2789-2726 , 2789-2729 , 2789-2729X , 2789-2731 , 2789-2734 , 2789-2735X , 2789-2736
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 2700
  • Bore Dia 1.5625"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 1.01"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.14"
  • Cone Frontface Backing Diameter 1.77"
  • Cone Backface Backing Diameter 2.05"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.32"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 19500 lbf
  • Static Radial Load 23000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5060 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 34000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2630 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 8810 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

Why Choose 2789 Single Cones for Combined Loads?

2789 Single Cones are crafted from chrome steel, offering strong resistance to both radial and thrust loads.
Their dynamic radial load capacity reaches 19,500 lbf, making them reliable for heavy-duty applications.
The steel cage ensures proper alignment of tapered rollers, reducing wear and extending service life.
With a temperature range of -30° to 110°C, they perform well in various environments.

How Is 2789 Single Cones Engineered for Reliability?

2789 Single Cones feature a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction enhances durability, while the steel cage maintains roller alignment.
They meet ABEC-1 standards, ensuring consistent performance in industrial applications.
Their standard radial clearance can also be adjusted to C3, C4, or C5 for specific needs.

Built for Durability: 2789 Single Cones

2789 Single Cones are designed with precision tolerances, ensuring smooth operation under heavy loads.
The chrome steel rings and tapered rollers provide excellent wear resistance and longevity.
With a static radial load capacity of 23,000 lbf, they handle demanding conditions effortlessly.
Their open design allows for easy inspection and maintenance, reducing downtime.

Application

Industrial Uses of 2789 Single Cones
2789 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, making them suitable for rugged environments.

In automotive applications, 2789 Single Cones support wheel hubs and differential systems, ensuring smooth performance under varying loads. Their inch sizing makes them compatible with many American and British vehicle models.

For industrial conveyor systems, 2789 Single Cones provide reliable support, thanks to their chrome steel construction and standard radial clearance. The steel cage adds durability, making them a practical choice for high-load scenarios.

Where Is 2789 Single Cones Used?
You’ll often find 2789 Single Cones in agricultural machinery, like tractors and harvesters, where their robust design handles heavy radial and thrust loads. The ABEC-1 rating ensures consistent performance in demanding conditions.

In railway applications, 2789 Single Cones are used in axle boxes, where their tapered rollers manage dynamic loads efficiently. The temperature range of -30° to 110°C makes them versatile for various climates.

Built for Heavy-Duty Use: 2789 Single Cones
2789 Single Cones excel in forestry equipment, such as log skidders, where their combined load capacity and durability are essential. The steel cage and chrome steel rings ensure long service life even in harsh conditions.

For marine applications, 2789 Single Cones are used in propeller shafts, handling both radial and thrust loads. Their standard radial clearance allows for smooth operation in wet and corrosive environments.

Automotive vs Aerospace: Applications of 2789 Single Cones
In automotive systems, 2789 Single Cones are ideal for wheel bearings, offering reliable performance under heavy loads. Their inch sizing simplifies integration with existing designs.

In aerospace ground support equipment, 2789 Single Cones provide stability for loading platforms and tow tractors. The tapered roller design ensures precision and durability in high-stress operations.

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