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HM125943 Single Cones (Imperial)
HM125943 Single Cones (Imperial)

HM125943 Single Cones (Imperial)

The HM125943 is a single-row tapered roller bearing cone with a 4.7224″ bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 100,000 lbf and static loads up to 155,000 lbf.

Its open design allows easy maintenance, while the steel cage ensures reliable performance. The cone has a width of 2.375″ 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. The standard radial clearance can be adjusted to C3, C4, or C5 as needed.

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Product Parameters

  • Part Number HM125943
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number HM125943-HM125910
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 4.7224"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 2.375"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.13"
  • Cone Frontface Backing Diameter 5.28"
  • Cone Backface Backing Diameter 5.39"
  • Cage Cone Frontface Clearance 0.04"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.56"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 100000 lbf
  • Static Radial Load 155000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 26000 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 175000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 13500 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 45300 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 HM125943 Bearing Handle Combined Loads?

HM125943 Bearing is crafted from chrome steel, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 100,000 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

What Makes HM125943 Bearing Suitable for Heavy-Duty Applications?

HM125943 Bearing features a tapered roller design, optimised for combined load handling.
The chrome steel construction provides durability, even under static radial loads up to 155,000 lbf.
Its standard radial clearance ensures smooth operation, with options for C3/C4/C5 available.
The open seal design allows for easy maintenance and inspection.

Engineered for Precision: HM125943 Bearing

HM125943 Bearing’s precise cone width tolerance (+0.003″ to -0.01″) ensures accurate fitting.
The effective center location of -0.56″ enhances stability in complex load scenarios.
Its ABEC-1 rating guarantees consistent performance for industrial applications.
The steel cage design minimises friction, promoting smoother operation.

Steel vs Chrome Steel Bearings: Strengths of HM125943 Bearing

HM125943 Bearing uses chrome steel rings for enhanced strength and wear resistance.
The steel cage provides reliable support, ensuring long-term performance under heavy loads.
With a dynamic thrust rating of 13,500 lbf, it handles demanding applications with ease.
Its standard radial clearance offers flexibility for various operational needs.

Application

Industrial Uses of HM125943 Bearing
HM125943 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 demanding environments.

What Makes HM125943 Bearing a Preferred Choice?
In automotive applications, HM125943 Bearing supports wheel hubs and differential systems, providing reliable performance under high radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: HM125943 Bearing
For industrial conveyor systems, HM125943 Bearing offers smooth operation and long service life, even under continuous use. The open seal design allows for easy lubrication and maintenance.

Automotive vs Aerospace: Applications of HM125943 Bearing
While HM125943 Bearing is widely used in truck axles and heavy vehicles, its precision also suits aerospace landing gear components. The steel cage enhances stability under varying load conditions.

Essential Roles of HM125943 Bearing
In agricultural machinery, HM125943 Bearing ensures reliable performance in tractors and harvesters, where dirt and debris resistance is crucial. The standard radial clearance option provides flexibility for different operational needs.

Q&A

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