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TS (Single Row Tapered Roller Bearings) (Imperial) HM266446-HM266410

TS (Single Row Tapered Roller Bearings) (Imperial) HM266446-HM266410

The HM266446-HM266410 is a single-row tapered roller bearing with a 15″ bore and 21.5″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 510,000 lbf radially and 75,200 lbf thrust, making it suitable for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery, gearboxes, or large equipment where high radial and thrust loads are common.

Weighing 167.80 lb, it’s robust and built to last. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number HM266446-HM266410
  • Brand TFL
  • Interchangeable Timken
  • Size 15" x 21.5" x 4.125"
  • Bore Dia 15"
  • Bore Dia Tolerance +0.002" to 0
  • Outer Dia 21.5"
  • Outer Dia Tolerance +0.002" to 0
  • Cone Width 4.125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 3.25"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 4.125"
  • Width Tolerance +0.015" to -0.015"
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.250"
  • Cone Frontface Backing Diameter 17.36"
  • Cone Backface Backing Diameter 16.34"
  • Cup Frontface Backing Diameter 20.55"
  • Cup Backface Backing Diameter 19.96"
  • Cage Cone Frontface Clearance 0.28"
  • Cage Cone Backface Clearance 0.36"
  • Effective Center Location -0.28"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number HM266446
  • Cup Part Number HM266410
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series HM266400
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 510000 lbf
  • Static Radial Load 946000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 132000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 75200 lbf
  • Lubrication Required
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant
  • Weight 167.80 lb

Features

Performance Features of HM266446-HM266410 Bearing

HM266446-HM266410 Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 510,000 lbf, making it suitable for heavy-duty industrial applications.

The tapered roller design ensures effective load distribution, reducing stress on individual components.
With a standard radial clearance, it provides reliable operation in various conditions.

HM266446-HM266410 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
The steel cage maintains roller alignment, enhancing durability and reducing maintenance needs.

Application

Industrial Uses of HM266446-HM266410 Bearing
HM266446-HM266410 Bearing is commonly used in heavy machinery, such as mining equipment and construction vehicles, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.
In automotive applications, HM266446-HM266410 Bearing supports large axles and drivetrains, providing reliable performance under high radial and thrust loads. Its imperial sizing makes it a preferred choice for North American vehicle manufacturers.
For industrial conveyor systems, HM266446-HM266410 Bearing’s robust design minimises wear and extends service life. The open seal type allows for easy lubrication, which is essential for continuous operation.

What Makes HM266446-HM266410 Bearing a Preferred Choice?
HM266446-HM266410 Bearing excels in applications requiring high load capacity, such as wind turbine gearboxes. Its steel cage and chrome steel rollers offer excellent resistance to fatigue and deformation.
The bearing’s standard radial clearance options make it versatile for various industrial settings. Whether in agricultural machinery or heavy-duty trucks, HM266446-HM266410 Bearing delivers consistent performance.

Built for Heavy-Duty Use: HM266446-HM266410 Bearing
HM266446-HM266410 Bearing is ideal for railway applications, where its tapered rollers manage both radial and axial forces effectively. The large bore diameter accommodates heavy shafts commonly found in locomotives.
With a static radial load capacity of 946,000 lbf, HM266446-HM266410 Bearing is suited for extreme conditions. Its compatibility with Timken models adds to its appeal in maintenance and replacement scenarios.

Automotive vs Aerospace: Applications of HM266446-HM266410 Bearing
In automotive settings, HM266446-HM266410 Bearing is often used in wheel hubs and differentials, thanks to its high dynamic thrust rating. The inch measurements align well with US-made components.
For aerospace ground equipment, HM266446-HM266410 Bearing provides reliable support in loading systems and maintenance platforms. Its temperature range ensures performance in varying climatic conditions.

Key Fields for HM266446-HM266410 Bearing
HM266446-HM266410 Bearing finds its place in oil and gas drilling rigs, where its robust design withstands harsh conditions. The ABEC-1 rating balances precision and cost-effectiveness for industrial use.
In marine applications, HM266446-HM266410 Bearing’s corrosion-resistant materials make it suitable for ship propulsion systems. Its ease of lubrication ensures smooth operation over long periods.

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