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HM743345 Single Cones (Imperial)

HM743345 Single Cones (Imperial)

The HM743345 is a single-row tapered roller bearing with an 8.25-inch bore, designed for combined loads. Made from durable chrome steel, it handles radial loads up to 206,000 lbf and thrust loads up to 40,200 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 versatile for various conditions.

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.

With a standard radial clearance and ABEC-1 rating, it balances precision and durability. Compliant with RoHS and REACH standards for safe and environmentally friendly use.

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    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number HM743345
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number HM743345-HM743310
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series HM743300
  • Bore Dia 8.25"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 2.75"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.25"
  • Cone Frontface Backing Diameter 8.98"
  • Cone Backface Backing Diameter 9.37"
  • Cage Cone Frontface Clearance 0.2"
  • Cage Cone Backface Clearance 0.18"
  • Effective Center Location 0.03"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 206000 lbf
  • Static Radial Load 353000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 53400 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 359000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 40200 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 93000 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 HM743345 Bearing Engineered for Reliability?

HM743345 Bearing features chrome steel rings and a steel cage, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 206,000 lbf, making it suitable for heavy-duty applications.

The tapered roller design of HM743345 Bearing provides effective load distribution, reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

HM743345 Bearing’s standard radial clearance options offer flexibility for different operational needs.
Its ABEC-1 rating ensures consistent performance in industrial settings.

Application

Industrial Uses of HM743345 Bearing
HM743345 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 even in demanding environments.

In automotive applications, HM743345 Bearing supports large axles and wheel hubs, providing reliable performance under high radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, HM743345 Bearing’s open design allows for easy lubrication and maintenance, reducing downtime. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is HM743345 Bearing Used?
You’ll often find HM743345 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design handles rough terrain. The standard radial clearance ensures smooth rotation under varying loads.

In railway applications, HM743345 Bearing supports freight car axles, offering stability and long service life. Its ABEC-1 rating provides sufficient precision for these heavy-duty uses.

Built for Heavy-Duty Use: HM743345 Bearing
HM743345 Bearing excels in forestry equipment like log loaders, where its dynamic load capacity withstands intense shocks. The tapered rollers distribute stress evenly, enhancing longevity.

For oil and gas drilling rigs, HM743345 Bearing’s temperature tolerance ensures reliable performance in extreme conditions. The steel cage resists deformation under high-pressure scenarios.

Automotive vs Aerospace: Applications of HM743345 Bearing
In automotive settings, HM743345 Bearing is ideal for truck differentials, balancing radial and thrust loads efficiently. Its inch measurements align with many commercial vehicle standards.

For aerospace ground support equipment, HM743345 Bearing provides dependable performance in aircraft tugs and loaders. The chrome steel rings resist wear from frequent use.

Q&A

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