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78250 Single Cones (Imperial)

78250 Single Cones (Imperial)

The 78250 single cone is a tapered roller bearing with a 2.5-inch bore, designed for combined loads. Made from chrome steel, it offers a dynamic radial load capacity of 45600 lbf and handles temperatures from -30°C to 110°C.

Its open design allows easy maintenance, while the steel cage ensures durability. The cone width is 1.3085 inches, with standard radial clearance options available.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. It suits applications like heavy machinery or vehicle axles where combined loads are common.

Compliant with RoHS and REACH standards, it’s a reliable option for industrial use. The ABEC-1 rating ensures consistent performance in demanding conditions.

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    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 78250
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 78250-78537 , 78250-78551 , 78250-78571
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 78000
  • Bore Dia 2.5"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 1.3085"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.09"
  • Cone Frontface Backing Diameter 3.1"
  • Cone Backface Backing Diameter 3.35"
  • Cage Cone Frontface Clearance 0.2"
  • Cage Cone Backface Clearance 0.24"
  • Effective Center Location 0.31"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 45600 lbf
  • Static Radial Load 43400 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 11800 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 79300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 17500 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 20600 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

How Does 78250 Bearing Handle Combined Loads?

78250 Bearing is crafted from chrome steel, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 45,600 lbf, ensuring reliable performance in heavy-duty applications.

The tapered roller design of 78250 Bearing ensures smooth operation under combined loads.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.

78250 Bearing features a steel cage for durability and alignment of rollers.
Its standard radial clearance options provide flexibility for different operational needs.

Application

Where Is 78250 Bearing Used?
78250 Bearing is commonly seen in heavy machinery, especially in construction equipment where combined loads are frequent. Its tapered roller design handles both radial and thrust forces efficiently.

In automotive applications, 78250 Bearing fits well in truck wheel hubs and differential systems. The inch sizing makes it a go-to choice for American and British vehicle manufacturers.

For industrial gearboxes, 78250 Bearing’s chrome steel construction ensures durability under high stress. The open seal type allows for easy lubrication, extending its service life in demanding environments.

Q&A

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