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HM911249 Single Cones (Imperial)
HM911249 Single Cones (Imperial)

HM911249 Single Cones (Imperial)

The HM911249 is a single-row tapered roller bearing cone with a 2.4375-inch bore, designed for combined loads. Made from sturdy chrome steel, it handles dynamic radial loads up to 44400 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design allows for easy maintenance, while the steel cage ensures durability. The cone width of 1.3125 inches and effective center location of 0.21 inches provide stable performance under heavy loads.

This model is interchangeable with Timken bearings, making it a reliable choice for replacements. Ideal for applications like heavy machinery or automotive systems where combined loads are common.

Compliant with RoHS and REACH standards, it offers a balance of strength and reliability. The standard radial clearance can also be adjusted to C3, C4, or C5 for specific needs.

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Product Parameters

  • Part Number HM911249
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number HM911249-HM911210 , HM911249-HM911210-B , HM911249-HM911216
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series HM911200
  • Bore Dia 2.4375"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 1.3125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.14"
  • Cone Frontface Backing Diameter 2.91"
  • Cone Backface Backing Diameter 3.58"
  • Cage Cone Frontface Clearance 0.2"
  • Cage Cone Backface Clearance 0.25"
  • Effective Center Location 0.21"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 44400 lbf
  • Static Radial Load 41100 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 11500 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 77400 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 16200 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 20100 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 HM911249 Bearing Handle Combined Loads?

HM911249 Bearing is crafted from chrome steel, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 44,400 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

What Makes HM911249 Bearing Suitable for High-Temperature Applications?

HM911249 Bearing operates efficiently in temperatures ranging from -30° to 110°C.
The chrome steel construction ensures durability and resistance to thermal expansion.
Its open design allows for better heat dissipation, maintaining performance under stress.
This makes it ideal for applications where temperature fluctuations are common.

Engineered for Precision: HM911249 Bearing

HM911249 Bearing features a tapered roller design for precise load distribution.
The effective center location of 0.21″ ensures accurate alignment and smooth operation.
Its ABEC-1 rating guarantees consistent performance in industrial applications.
The standard radial clearance can be adjusted to C3, C4, or C5 for specific needs.

Steel vs Chrome Steel Bearings: Strengths of HM911249 Bearing

HM911249 Bearing uses chrome steel rings for enhanced strength and wear resistance.
The steel cage provides durability while maintaining roller alignment under heavy loads.
This combination ensures long service life and reduced maintenance requirements.
It’s a reliable choice for applications demanding both strength and precision.

Application

Industrial Uses of HM911249 Bearing
HM911249 Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, HM911249 Bearing supports axle systems and wheel hubs, providing reliable performance under high radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, HM911249 Bearing’s open design allows for easy lubrication and maintenance, reducing downtime. The steel cage adds strength, making it suitable for continuous operation.

Where Is HM911249 Bearing Used?
You’ll find HM911249 Bearing in agricultural machinery, like tractors and harvesters, where its robust design withstands heavy loads and rough terrain. The standard radial clearance ensures smooth operation even in dusty environments.

In railway applications, HM911249 Bearing supports freight car axles, offering stability and longevity. Its ABEC-1 rating provides sufficient precision for these demanding conditions.

Built for Heavy-Duty Use: HM911249 Bearing
HM911249 Bearing excels in forestry equipment, such as log loaders, where its tapered rollers manage uneven loads. The temperature range of -30° to 110°C ensures performance in various climates.

For oil and gas machinery, HM911249 Bearing’s dynamic load capacity makes it a reliable choice for pumps and compressors. The steel cage resists wear, even in high-vibration settings.

Automotive vs Aerospace: Applications of HM911249 Bearing
In automotive systems, HM911249 Bearing is ideal for heavy-duty trucks, handling both radial and thrust loads in wheel assemblies. Its inch measurements simplify replacements in older models.

For aerospace ground equipment, HM911249 Bearing supports tow tractors and cargo loaders. The chrome steel rings provide the necessary strength for frequent use.

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