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49581 Single Cones (Imperial)
49581 Single Cones (Imperial)

49581 Single Cones (Imperial)

The 49581 is a single-row tapered roller bearing cone with a 1.875-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 27600 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design allows easy maintenance, while the steel cage ensures reliable performance under heavy loads. The cone width is 1.25 inches, making it compact yet robust for its size.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for industrial machinery or automotive applications where combined loads are common.

Compliant with RoHS and REACH standards, it’s a safe and dependable choice. The standard radial clearance ensures versatility for various installation needs.

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Product Parameters

  • Part Number 49581
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 49581-49520
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 49500
  • Bore Dia 1.875"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 1.25"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.25"
  • Cone Frontface Backing Diameter 2.2"
  • Cone Backface Backing Diameter 2.68"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.28"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 27600 lbf
  • Static Radial Load 35000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 7160 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 48100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4910 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 12500 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 49581 Bearing Engineered for Reliability?

49581 Bearing features chrome steel rings and a steel cage, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 27,600 lbf, making it suitable for heavy-duty applications.

The tapered roller design of 49581 Bearing provides smooth operation and efficient load distribution.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

49581 Bearing’s standard radial clearance options allow for flexibility in different applications.
Its ABEC-1 rating ensures consistent performance for precision tasks.

Application

Industrial Uses of 49581 Single Cones
49581 Single Cones are commonly used in heavy machinery, such as construction equipment and mining tools, where combined loads are frequent. Their tapered roller design ensures smooth operation even under demanding conditions.

In automotive applications, 49581 Single Cones support wheel hubs and differential systems, providing reliable performance over long distances. The chrome steel construction enhances durability, making them suitable for both on-road and off-road vehicles.

For industrial conveyor systems, 49581 Single Cones handle high radial and thrust loads efficiently. Their open seal type allows for easy lubrication, reducing maintenance downtime in busy production environments.

Where Is 49581 Single Cones Used?
You’ll often find 49581 Single Cones in agricultural machinery, like tractors and harvesters, where their robust design handles rough terrain. The inch sizing makes them compatible with a variety of North American equipment.

In railway applications, 49581 Single Cones are trusted for their ability to manage heavy loads and high speeds. Their steel cage ensures stability, even under continuous use in freight and passenger trains.

Built for Heavy-Duty Use: 49581 Single Cones
49581 Single Cones excel in forestry equipment, such as log splitters and sawmills, where their combined load capacity is essential. The standard radial clearance offers flexibility for different operational needs.

For power transmission systems, 49581 Single Cones provide consistent performance in gearboxes and driveshafts. Their ABEC-1 rating ensures reliable precision in industrial settings.

Automotive vs Aerospace: Applications of 49581 Single Cones
In automotive wheel bearings, 49581 Single Cones offer durability and ease of maintenance for everyday driving. Their inch measurements align with many US and UK vehicle standards.

While not typically used in aerospace, 49581 Single Cones are ideal for ground support equipment, like baggage loaders. Their temperature range suits various operational environments.

What Makes 49581 Single Cones a Preferred Choice?
49581 Single Cones are a go-to for mining equipment, where their tapered rollers handle extreme loads effortlessly. The steel cage adds extra resilience in abrasive conditions.

In marine applications, 49581 Single Cones perform well in ship propulsion systems, thanks to their corrosion-resistant materials. They’re a practical choice for long-term use in salty environments.

Q&A

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