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HM89446A Single Cones (Imperial)
HM89446A Single Cones (Imperial)

HM89446A Single Cones (Imperial)

The HM89446A is a single-row tapered roller bearing cone with a 1.375″ bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 24800 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design allows for easy maintenance, while the steel cage ensures reliable performance. The cone width of 1.125″ and effective center location of -0.22″ make it suitable for precise applications.

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

Compliant with RoHS and REACH standards, it’s a robust choice for industrial use. Available in standard radial clearance, with options for C3, C4, or C5 as needed.

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Product Parameters

  • Part Number HM89446A
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number HM89446A-HM89410 , HM89446A-HM89411
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series HM89400
  • Bore Dia 1.375"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 1.125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 1.75"
  • Cone Backface Backing Diameter 1.87"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.22"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 24800 lbf
  • Static Radial Load 26700 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 6440 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 43200 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 6020 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 11200 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 HM89446A Bearing

HM89446A Bearing is crafted from chrome steel, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 24,800 lbf, ensuring reliable performance in heavy-duty applications.

The tapered roller design enhances load distribution, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.

HM89446A Bearing’s steel cage maintains roller alignment, improving operational stability.
Its standard radial clearance options provide flexibility for different installation requirements.

The ABEC-1 rating ensures consistent precision for industrial applications.
HM89446A Bearing is interchangeable with Timken models, offering convenient replacement options.

Application

Industrial Uses of HM89446A Bearing
HM89446A Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The open seal type allows for easy lubrication, extending its service life in demanding conditions.

Where Is HM89446A Bearing Used?
You’ll often find HM89446A Bearing in automotive applications like wheel hubs and differential systems, thanks to its robust chrome steel construction. Its inch sizing makes it a reliable choice for vehicles using imperial measurements.

Built for Heavy-Duty Use: HM89446A Bearing
HM89446A Bearing excels in industrial gearboxes, providing smooth operation under high radial and thrust loads. The steel cage ensures durability, even in environments with frequent load changes.

Automotive vs Aerospace: Applications of HM89446A Bearing
In automotive systems, HM89446A Bearing supports heavy loads in axles and transmissions, while its precision makes it suitable for aerospace landing gear components. The ABEC-1 rating ensures consistent performance across both sectors.

Key Fields for HM89446A Bearing
HM89446A Bearing is ideal for agricultural machinery, where its tapered rollers manage uneven loads from tillers and harvesters. The standard radial clearance offers flexibility for various operating conditions.

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