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78225 Single Cones (Imperial)
78225 Single Cones (Imperial)

78225 Single Cones (Imperial)

The 78225 single cone is a tapered roller bearing with a 2.25-inch bore, designed for combined loads. Made from chrome steel, it offers durability and handles dynamic radial loads up to 45,600 lbf.

Its open design allows easy maintenance, 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, making it a practical choice for replacements. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Compliant with RoHS and REACH standards, it’s a dependable option for various mechanical systems. The standard radial clearance can also be adjusted to C3, C4, or C5 if needed.

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Product Parameters

  • Part Number 78225
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 78225-78537 , 78225-78551 , 78225-78571
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 78000
  • Bore Dia 2.25"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 1.3085"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.14"
  • Cone Frontface Backing Diameter 3.03"
  • Cone Backface Backing Diameter 3.27"
  • 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 78225 Bearing Handle Combined Loads?

78225 Bearing is built with chrome steel rings and a steel cage, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 45,600 lbf, ensuring reliable performance in demanding conditions.
The tapered roller design enhances load distribution, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

Why Choose 78225 Bearing for Heavy-Duty Applications?

78225 Bearing’s single-row construction provides stability and efficiency under combined loads.
The chrome steel material resists wear, making it suitable for high-stress applications.
Its dynamic thrust rating of 17,500 lbf ensures consistent performance in heavy-duty tasks.
The standard radial clearance allows for smooth operation and easy installation.

Engineered for Precision: 78225 Bearing

78225 Bearing features precise cone width and backface dimensions for accurate alignment.
The steel cage maintains roller position, reducing friction and noise during operation.
With an ABEC-1 rating, it balances performance and affordability for various industrial uses.
The effective center location of 0.31″ ensures optimal load distribution and stability.

Material Composition of 78225 Bearing

78225 Bearing uses high-quality chrome steel for its rings, providing durability and corrosion resistance.
The steel cage enhances strength and maintains roller alignment under heavy loads.
This material combination ensures long service life even in challenging conditions.
Compliant with RoHS and REACH standards, it meets global environmental and safety requirements.

Performance Features of 78225 Bearing

78225 Bearing’s tapered roller design efficiently handles combined radial and thrust loads.
Its dynamic radial rating of 79,300 lbf for two-row configurations highlights its versatility.
The open seal type allows for easy lubrication and maintenance.
With a cone width tolerance of +0.003″ to -0.01″, it ensures precise fit and performance.

Application

Industrial Uses of 78225 Single Cones
78225 Single Cones are commonly used in heavy machinery like construction equipment and mining rigs, where their tapered roller design handles combined loads efficiently. The open seal type allows for easy lubrication, extending service life in demanding conditions.

Where Is 78225 Single Cones Used?
You’ll often find 78225 Single Cones in automotive axles and wheel hubs, where their chrome steel construction ensures durability under high stress. The inch sizing makes them a natural fit for North American and UK machinery standards.

Built for Heavy-Duty Use: 78225 Single Cones
These cones excel in agricultural machinery, such as tractor transmissions, thanks to their robust steel cage and tapered roller setup. The standard radial clearance offers reliable performance without frequent adjustments.

Automotive vs Aerospace: Applications of 78225 Single Cones
In automotive settings, 78225 Single Cones support wheel bearings and drivetrains, while aerospace applications benefit from their precision in landing gear systems. The ABEC-1 rating ensures consistent performance across both fields.

What Makes 78225 Single Cones a Preferred Choice?
Their versatility shines in industrial fans and pumps, where the single-row design simplifies maintenance. The temperature range of -30° to 110°C makes them suitable for both hot and cold environments.

Q&A

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