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TS (Single Row Tapered Roller Bearings) (Imperial) HM88644-HM88611AS

TS (Single Row Tapered Roller Bearings) (Imperial) HM88644-HM88611AS

The HM88644-HM88611AS is a single-row tapered roller bearing with a 1.25″ bore and 2.8593″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 17300 lbf radially and 4180 lbf thrust, making it versatile for various applications.

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

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for use in heavy-duty machinery or automotive systems where combined loads are common.

Weighing 1.2 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

The standard radial clearance ensures easy installation, with options for C3, C4, or C5 available. Its tapered roller design provides efficient load distribution, reducing wear over time.

Suitable for applications requiring ABEC-1 precision, it balances performance and affordability. The effective center location of -0.18″ helps maintain alignment in dynamic setups.

Perfect for industrial equipment or vehicle axles, this bearing offers durability and ease of maintenance. Its chrome steel rollers and rings ensure long service life under demanding conditions.

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Product Parameters

  • Part Number HM88644-HM88611AS
  • Brand TFL
  • Interchangeable Timken
  • Size 1.25" x 2.8593" x 1"
  • Bore Dia 1.25"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.8593"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.7812"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.67"
  • Cone Backface Backing Diameter 1.75"
  • Cup Frontface Backing Diameter 2.74"
  • Cup Backface Backing Diameter 2.32"
  • 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 HM88611AS
  • 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-HM88611AS Bearing

HM88644-HM88611AS Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 17,300 lbf, ensuring reliable performance in demanding conditions.

The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

HM88644-HM88611AS Bearing’s tapered roller design provides smooth operation under heavy loads.
Its standard radial clearance options allow for flexibility in different applications.

The bearing requires lubrication but offers long-lasting durability with proper maintenance.
Its ABEC-1 rating ensures consistent performance for industrial uses.

Application

Industrial Uses of HM88644-HM88611AS Bearing
HM88644-HM88611AS Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is HM88644-HM88611AS Bearing Used?
You’ll often find HM88644-HM88611AS Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a good fit for American and British vehicle models.

Built for Heavy-Duty Use: HM88644-HM88611AS Bearing
HM88644-HM88611AS Bearing excels in industrial gearboxes, providing reliable performance under high radial and thrust loads. The steel cage adds extra strength, making it suitable for continuous operation.

Automotive vs Aerospace: Applications of HM88644-HM88611AS Bearing
In automotive systems, HM88644-HM88611AS Bearing supports wheel assemblies, while in aerospace, it’s used in auxiliary gearboxes. Its ABEC-1 rating ensures consistent performance across different industries.

Key Fields for HM88644-HM88611AS Bearing
HM88644-HM88611AS Bearing is a popular choice for agricultural machinery, where its robust design handles rough conditions. The standard radial clearance allows for easy installation and maintenance.

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