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15578 Single Cones (Imperial)
15578 Single Cones (Imperial)

15578 Single Cones (Imperial)

The 15578 is a single-row tapered roller bearing with a 1-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 12300 lbf and works in temperatures from -30°C to 110°C.

Its open design allows easy maintenance, while the steel cage ensures reliable performance. The bearing is interchangeable with Timken models, making it a practical choice for replacements.

With a cone width of 0.6875″, it fits compact spaces without sacrificing strength. Ideal for applications like vehicle axles or industrial gearboxes where combined loads are common.

Compliant with RoHS and REACH standards, it offers a balance of durability and ease of use. The standard radial clearance ensures smooth operation in most conditions.

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Product Parameters

  • Part Number 15578
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 15578-15520 , 15578-15520RB , 15578-15522A , 15578-15523 , 15578-15523RB , 15578-15520-B
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 15500
  • Bore Dia 1"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 0.6875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.050"
  • Cone Frontface Backing Diameter 1.2"
  • Cone Backface Backing Diameter 1.28"
  • Cage Cone Frontface Clearance 0.1"
  • Cage Cone Backface Clearance 0"
  • Effective Center Location -0.2"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 12300 lbf
  • Static Radial Load 11300 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 3180 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 21300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 1880 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 5530 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 Is 15578 Bearing Engineered for Reliability?

15578 Bearing is crafted from chrome steel, offering strong resistance to combined loads with a dynamic radial load capacity of 12300 lbf.
Its tapered roller design ensures smooth operation, even under demanding conditions.
The steel cage maintains proper roller alignment, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

What Makes 15578 Bearing Suitable for High-Temperature Applications?

15578 Bearing withstands temperatures up to 110°C, making it ideal for high-heat environments.
Its chrome steel construction ensures durability and consistent performance under thermal stress.
The open design allows for efficient heat dissipation, preventing overheating.
With a dynamic radial load rating of 12300 lbf, it handles heavy loads without compromising reliability.

Built for Durability: 15578 Bearing

15578 Bearing features a robust chrome steel construction, designed to endure heavy combined loads.
The tapered roller design minimises friction, ensuring smooth and efficient operation.
Its steel cage keeps rollers in place, enhancing longevity and reducing maintenance needs.
With a static radial load capacity of 11300 lbf, it delivers reliable performance in tough conditions.

Steel vs Ceramic Bearings: Strengths of 15578 Bearing

15578 Bearing uses chrome steel for its rings and rollers, providing excellent strength and wear resistance.
The steel cage ensures precise roller alignment, improving load distribution and reducing friction.
Its dynamic radial load rating of 12300 lbf makes it suitable for heavy-duty applications.
With a standard radial clearance, it offers flexibility for various operational needs.

Application

Where Is 15578 Bearing Used?
15578 Bearing is commonly found 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, 15578 Bearing supports wheel hubs and differential systems, ensuring smooth rotation under varying loads. The inch sizing makes it compatible with many American and British vehicle models.

For industrial gearboxes, 15578 Bearing’s chrome steel construction provides durability in high-stress environments. The open seal design allows for easy lubrication, extending its service life in demanding conditions.

In agricultural machinery, 15578 Bearing excels in tractors and harvesters, where its robust build withstands dirt and moisture. The steel cage adds extra strength, making it reliable for rough terrain operations.

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