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HM127442 Single Cones (Imperial)
HM127442 Single Cones (Imperial)

HM127442 Single Cones (Imperial)

The HM127442 is a single-row tapered roller bearing cone with a 5.1168-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 94,500 lbf and static loads up to 159,000 lbf.

Its open design allows easy maintenance, while the steel cage ensures reliable performance. The cone has a width of 2.25 inches and operates smoothly in temperatures from -30°C to 110°C.

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

Compliant with RoHS and REACH standards, it offers a balance of strength and durability for demanding environments. The standard radial clearance can also be adjusted to C3, C4, or C5 as needed.

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Product Parameters

  • Part Number HM127442
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number HM127442-HM127415
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series HM127400
  • Bore Dia 5.1168"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 2.25"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 5.59"
  • Cone Backface Backing Diameter 5.59"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.57"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 94500 lbf
  • Static Radial Load 159000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 24500 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 164000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 11100 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 42600 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 HM127442 Bearing Handle Combined Loads?

HM127442 Bearing is built with chrome steel rings, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 94,500 lbf, ensuring reliable performance in heavy-duty applications.
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 environmental conditions.

Application

Industrial Uses of HM127442 Bearing
HM127442 Bearing is commonly used in heavy machinery like construction equipment and mining vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

Where Is HM127442 Bearing Used?
You’ll often find HM127442 Bearing in agricultural machinery, supporting components like gearboxes and axles. Its inch sizing makes it a good fit for older or imperial-based systems.

Built for Heavy-Duty Use: HM127442 Bearing
HM127442 Bearing works well in industrial fans and pumps, thanks to its open design and steel cage. The standard radial clearance allows for smooth operation under varying loads.

Automotive vs Aerospace: Applications of HM127442 Bearing
In automotive applications, HM127442 Bearing supports wheel hubs and differentials, while its high load capacity makes it suitable for some aerospace components. The ABEC-1 rating ensures reliable performance.

Key Fields for HM127442 Bearing
HM127442 Bearing is a solid choice for railway applications, where its dynamic radial load capacity handles constant stress. The temperature range also makes it adaptable to different climates.

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