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TS (Single Row Tapered Roller Bearings) (Imperial) HM88638-HM88612

TS (Single Row Tapered Roller Bearings) (Imperial) HM88638-HM88612

The HM88638-HM88612 is a single-row tapered roller bearing with a 1.26″ bore and 2.88″ 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 for easy lubrication, while the steel cage ensures durability under heavy use. 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 or automotive systems where combined loads are common.

Weighing 1.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number HM88638-HM88612
  • Brand TFL
  • Interchangeable Timken
  • Size 1.2593" x 2.875" x 1.0449"
  • Bore Dia 1.2593"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.875"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.8262"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.0449"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.13"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 1.67"
  • Cone Backface Backing Diameter 1.91"
  • Cup Frontface Backing Diameter 2.74"
  • Cup Backface Backing Diameter 2.36"
  • 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 HM88638
  • Cup Part Number HM88612
  • 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 HM88638-HM88612 Bearing

HM88638-HM88612 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 roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is HM88638-HM88612 Bearing Engineered for Reliability?

HM88638-HM88612 Bearing features a single-row tapered roller design, ideal for handling both radial and thrust loads.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its ABEC-1 rating guarantees consistent precision for industrial applications.
The effective center location of -0.18″ enhances stability under load.

Designed for Durability: HM88638-HM88612 Bearing

HM88638-HM88612 Bearing’s tapered roller design distributes loads evenly, reducing stress on components.
The steel cage and chrome steel rollers work together to minimise wear and tear.
With a static radial load capacity of 21,200 lbf, it handles heavy-duty applications with ease.
Its open seal type allows for easy lubrication and maintenance.

Application

Industrial Uses of HM88638-HM88612 Bearing
HM88638-HM88612 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is HM88638-HM88612 Bearing Used?
You’ll often find HM88638-HM88612 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for vehicles following imperial measurement standards.

Built for Heavy-Duty Use: HM88638-HM88612 Bearing
HM88638-HM88612 Bearing excels in industrial gearboxes, providing smooth operation under high radial loads. The steel cage adds extra strength, making it suitable for continuous use in manufacturing plants.

Automotive vs Aerospace: Applications of HM88638-HM88612 Bearing
In automotive systems, HM88638-HM88612 Bearing supports wheel assemblies, while in aerospace, it’s used in auxiliary equipment. Its ABEC-1 rating ensures consistent performance across different industries.

Key Fields for HM88638-HM88612 Bearing
HM88638-HM88612 Bearing is ideal for agricultural machinery, where its robust design handles uneven loads. The standard radial clearance allows for easy installation and maintenance in field conditions.

Q&A

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