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TS (Single Row Tapered Roller Bearings) (Imperial) HM89446A-HM89411

TS (Single Row Tapered Roller Bearings) (Imperial) HM89446A-HM89411

The HM89446A-HM89411 is a single-row tapered roller bearing with a 1.375″ bore and 3″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 24800 lbf radially and 6020 lbf thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for demanding environments.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing 1.4 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number HM89446A-HM89411
  • Brand TFL
  • Interchangeable Timken
  • Size 1.375" x 3" x 1.1563"
  • Bore Dia 1.375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9063"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1563"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 1.75"
  • Cone Backface Backing Diameter 1.87"
  • Cup Frontface Backing Diameter 2.91"
  • Cup Backface Backing Diameter 2.56"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.22"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number HM89446A
  • Cup Part Number HM89411
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series HM89400
  • Ring Material Chrome Steel
  • Roller 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 Thrust Rating(90 Million Revolutions)(Ca90) 6020 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 1.400 lb

Features

How Does HM89446A-HM89411 Bearing Handle Combined Loads?

HM89446A-HM89411 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 24,800 lbf, making it suitable for demanding industrial applications.
The steel cage maintains roller alignment, ensuring smooth operation and reduced wear.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

Why Choose HM89446A-HM89411 Bearing for Precision Tasks?

HM89446A-HM89411 Bearing features precise tolerances, with bore diameter accuracy of +0.005″ to 0.
The tapered roller design distributes loads evenly, enhancing stability and performance.
Its ABEC-1 rating ensures consistent quality for precision applications.
The standard radial clearance option provides flexibility for different operational needs.

Engineered for Durability: HM89446A-HM89411 Bearing

HM89446A-HM89411 Bearing’s chrome steel construction resists wear, extending its service life.
The single-row design simplifies installation while maintaining high load capacity.
Effective lubrication ensures smooth operation, even under heavy loads.
With a static radial load rating of 26,700 lbf, it delivers reliable performance in tough conditions.

What Ensures Smooth Operation in HM89446A-HM89411 Bearing?

HM89446A-HM89411 Bearing’s tapered rollers and steel cage work together to minimise friction.
The precise cone and cup width tolerances ensure proper alignment during operation.
Its dynamic thrust rating of 6,020 lbf at 90 million revolutions highlights long-term reliability.
The open design allows for easy lubrication, maintaining optimal performance over time.

Performance Features of HM89446A-HM89411 Bearing

HM89446A-HM89411 Bearing combines strength and precision with its chrome steel components.
The standard cup type offers compatibility with various housing designs.
Weighing just 1.400 lb, it provides a balance of durability and manageable size.
Its -0.22″ effective center location ensures proper load distribution in applications.

Application

Industrial Uses of HM89446A-HM89411 Bearing
HM89446A-HM89411 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding conditions.

In automotive applications, HM89446A-HM89411 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a preferred choice for North American vehicle models.

For industrial conveyor systems, HM89446A-HM89411 Bearing offers smooth operation thanks to its standard radial clearance. The open design allows for easy lubrication, extending its service life in high-use environments.

What Makes HM89446A-HM89411 Bearing a Preferred Choice?
HM89446A-HM89411 Bearing stands out in agricultural machinery due to its ability to handle both radial and thrust loads. The steel cage adds robustness, making it suitable for rough terrain applications.

In mining equipment, HM89446A-HM89411 Bearing’s high dynamic radial load capacity ensures reliable performance. Its temperature range also makes it adaptable to both hot and cold working conditions.

Built for Heavy-Duty Use: HM89446A-HM89411 Bearing
HM89446A-HM89411 Bearing is ideal for gearboxes in industrial settings, where its tapered rollers reduce friction. The ABEC-1 rating ensures consistent performance without over-engineering.

For railway applications, HM89446A-HM89411 Bearing provides stability under heavy loads. Its compatibility with Timken models makes it a versatile replacement option.

Automotive vs Aerospace: Applications of HM89446A-HM89411 Bearing
In automotive systems, HM89446A-HM89411 Bearing is often found in drivetrains, offering a balance of strength and precision. The inch measurements align well with standard US automotive parts.

For aerospace ground support equipment, HM89446A-HM89411 Bearing’s reliability is key. While not used in-flight, it handles heavy loads in maintenance machinery effectively.

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