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HM259049H Single Cones (Imperial)
HM259049H Single Cones (Imperial)

HM259049H Single Cones (Imperial)

The HM259049H is a single-row tapered roller bearing cone with a 12.5-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 370,000 lbf and static loads up to 606,000 lbf.

Its open design allows for easy maintenance, while the steel cage ensures reliable performance. The cone width is 3.375 inches, with precise tolerances for a secure fit.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like industrial machinery or large vehicles where combined loads are common.

It operates smoothly in temperatures from -30°C to 110°C and complies with RoHS and REACH standards. The standard radial clearance can be adjusted to C3, C4, or C5 as needed.

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Product Parameters

  • Part Number HM259049H
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number HM259049H-HM259010
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series HM259000
  • Bore Dia 12.5"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 3.375"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.14"
  • Cone Frontface Backing Diameter 13.31"
  • Cone Backface Backing Diameter 13.46"
  • Cage Cone Frontface Clearance 0.13"
  • Cage Cone Backface Clearance 0"
  • Effective Center Location -0.19"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 370000 lbf
  • Static Radial Load 606000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 96000 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 645000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 55000 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 167000 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 HM259049H Bearing Engineered for Reliability?

HM259049H Bearing is crafted from chrome steel, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 370,000 lbf, ensuring dependable performance in heavy-duty applications.

The steel cage maintains roller alignment, reducing friction and prolonging service life.
With a temperature range of -30° to 110°C, HM259049H Bearing performs reliably in varied conditions.

Designed for standard radial clearance, it provides flexibility for different operational needs.
The tapered roller construction ensures smooth operation under both radial and thrust loads.

Application

Industrial Uses of HM259049H Bearing
HM259049H Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is HM259049H Bearing Used?
You’ll find HM259049H Bearing in agricultural machinery, such as tractors and harvesters, where its high dynamic radial load capacity keeps things running smoothly. Its inch sizing makes it a good fit for older or custom-built equipment.

Built for Heavy-Duty Use: HM259049H Bearing
HM259049H Bearing works well in railway applications, supporting axles and wheels under heavy loads. The steel cage provides stability, even in high-vibration environments.

Automotive vs Aerospace: Applications of HM259049H Bearing
In automotive settings, HM259049H Bearing is often used in truck wheel hubs, while in aerospace, it might appear in landing gear systems. Its ABEC-1 rating ensures reliable performance across both fields.

Practical Applications of HM259049H Bearing
HM259049H Bearing is a solid choice for industrial fans and pumps, where its standard radial clearance allows for smooth rotation. The temperature range suits most indoor and outdoor applications.

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