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TS (Single Row Tapered Roller Bearings) (Imperial) HM88644-HM88611

TS (Single Row Tapered Roller Bearings) (Imperial) HM88644-HM88611

The HM88644-HM88611 is a single-row tapered roller bearing with a 1.25″ bore and 2.8336″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 17300 lbf radially and 4180 lbf in thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures durability under heavy use. 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 reliable replacement option. Ideal for gearboxes, axles, or industrial equipment where combined loads are common.

Weighing 1.2 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 HM88644-HM88611
  • Brand TFL
  • Interchangeable Timken
  • Size 1.25" x 2.8336" x 1.0629"
  • Bore Dia 1.25"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.8336"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.8442"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.0629"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 1.67"
  • Cone Backface Backing Diameter 1.75"
  • Cup Frontface Backing Diameter 2.72"
  • Cup Backface Backing Diameter 2.40"
  • Cage Cone Frontface Clearance 0.1"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.18"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number HM88644
  • Cup Part Number HM88611
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series HM88600
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 17300 lbf
  • Static Radial Load 21200 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 4480 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4180 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 1.2 lb

Features

Performance Features of HM88644-HM88611 Bearing

HM88644-HM88611 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 17300 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is HM88644-HM88611 Bearing Engineered for Reliability?

HM88644-HM88611 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent strength and wear resistance.
Its standard radial clearance allows for smooth operation in diverse applications.
With an ABEC-1 rating, it ensures consistent performance in industrial settings.

Designed for Durability: HM88644-HM88611 Bearing

HM88644-HM88611 Bearing’s tapered roller design distributes loads evenly, extending service life.
The steel cage maintains roller positioning, reducing friction and noise.
It operates efficiently within a wide temperature range, from -30° to 110°C.
With a static radial load capacity of 21200 lbf, it handles demanding conditions with ease.

Steel vs Ceramic Bearings: Strengths of HM88644-HM88611 Bearing

HM88644-HM88611 Bearing uses chrome steel for both rings and rollers, ensuring robust performance.
This material choice provides excellent load capacity and wear resistance compared to ceramic options.
The bearing’s tapered roller design is particularly effective for combined load applications.
Its standard radial clearance and ABEC-1 rating make it a reliable choice for various industrial uses.

Application

Industrial Uses of HM88644-HM88611 Bearing
HM88644-HM88611 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

Where Is HM88644-HM88611 Bearing Used?
You’ll often find HM88644-HM88611 Bearing in automotive drivetrains, particularly in wheel hubs and differentials, where its precise inch sizing fits standard imperial systems. Its open design simplifies lubrication, keeping maintenance straightforward.

Built for Heavy-Duty Use: HM88644-HM88611 Bearing
HM88644-HM88611 Bearing excels in industrial fans and conveyor systems, where its high dynamic radial load capacity supports continuous operation. The steel cage adds stability, making it reliable for long-term use.

Automotive vs Aerospace: Applications of HM88644-HM88611 Bearing
In automotive applications, HM88644-HM88611 Bearing handles the demands of wheel assemblies, while its robust design also suits aerospace ground support equipment. The ABEC-1 rating ensures consistent performance across both fields.

Perfect Fit for Automation: HM88644-HM88611 Bearing
HM88644-HM88611 Bearing works well in automated assembly lines, where its tapered rollers manage varying load directions smoothly. The standard radial clearance option allows for flexibility in different setups.

Q&A

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