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HM259049 Single Cones (Imperial)
HM259049 Single Cones (Imperial)

HM259049 Single Cones (Imperial)

The HM259049 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 377,000 lbf and static loads up to 706,000 lbf.

Its open design allows easy maintenance, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures from -30°C to 110°C, making it suitable for harsh environments.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for heavy-duty applications like industrial machinery or large vehicles where robust performance is needed.

Compliant with RoHS and REACH standards, it meets safety and environmental requirements. The standard radial clearance can also be customised to C3, C4, or C5 for specific needs.

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Product Parameters

  • Part Number HM259049
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number HM259049-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 13.27"
  • Cone Backface Backing Diameter 13.43"
  • Cage Cone Frontface Clearance 0.21"
  • Cage Cone Backface Clearance 0.19"
  • Effective Center Location -0.19"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 377000 lbf
  • Static Radial Load 706000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 97800 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 656000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 56000 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 170000 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

Performance Features of HM259049 Bearing

HM259049 Bearing is built with chrome steel rings, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 377,000 lbf, making it suitable for heavy-duty applications.

The steel cage ensures proper roller alignment, reducing friction and wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

HM259049 Bearing’s standard radial clearance allows for flexibility in different setups.
Its ABEC-1 rating ensures consistent performance for industrial needs.

Application

Industrial Uses of HM259049 Bearing
HM259049 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 HM259049 Bearing Used?
You’ll often find HM259049 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 equipment still using imperial measurements.

Built for Heavy-Duty Use: HM259049 Bearing
HM259049 Bearing excels in industrial gearboxes, providing reliable performance under constant stress. The open seal design allows for easy lubrication, extending its service life in demanding applications.

Automotive vs Aerospace: Applications of HM259049 Bearing
In automotive settings, HM259049 Bearing supports large axles and drivetrains, while its precision makes it suitable for certain aerospace components. The steel cage adds stability during high-speed rotations.

Essential Roles of HM259049 Bearing
HM259049 Bearing is a key component in railway systems, particularly in wheel assemblies where its static radial load capacity is crucial. The standard radial clearance ensures consistent performance across temperature variations.

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