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TS (Single Row Tapered Roller Bearings) (Imperial) HM88649-HM88612

TS (Single Row Tapered Roller Bearings) (Imperial) HM88649-HM88612

The HM88649-HM88612 is a single-row tapered roller bearing with a 1.375″ bore and 2.875″ 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. 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 use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing just 1.1 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number HM88649-HM88612
  • Brand TFL
  • Interchangeable Timken
  • Size 1.375" x 2.875" x 1.0449"
  • Bore Dia 1.375"
  • 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 0.09"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 1.68"
  • 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 HM88649
  • 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 1.1 lb

Features

How Does HM88649-HM88612 Bearing Handle Combined Loads?

HM88649-HM88612 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust 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 service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

What Makes HM88649-HM88612 Bearing Suitable for Heavy-Duty Applications?

HM88649-HM88612 Bearing features a single-row tapered roller design, ideal for handling combined loads.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 4,180 lbf makes it suitable for high-stress applications.
The bearing’s ABEC-1 rating balances precision and cost-effectiveness.

Designed for Durability: HM88649-HM88612 Bearing

HM88649-HM88612 Bearing uses high-quality chrome steel for both rings and rollers, enhancing its strength.
The steel cage design minimises wear, contributing to a longer operational life.
With a static radial load capacity of 21,200 lbf, it handles heavy loads with ease.
Its open seal type allows for easy lubrication and maintenance.

Application

Industrial Uses of HM88649-HM88612 Bearing
HM88649-HM88612 Bearing is commonly used in heavy machinery like 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.

What Makes HM88649-HM88612 Bearing a Preferred Choice?
In automotive applications, HM88649-HM88612 Bearing fits well in wheel hubs and differential systems, offering reliable performance under radial and thrust loads. Its inch sizing makes it compatible with many American-made vehicles.

Built for Heavy-Duty Use: HM88649-HM88612 Bearing
For industrial fans and pumps, HM88649-HM88612 Bearing provides stable operation thanks to its steel cage and standard radial clearance. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of HM88649-HM88612 Bearing
While HM88649-HM88612 Bearing excels in truck transmissions, it’s also suitable for aerospace ground support equipment. The ABEC-1 rating ensures consistent performance without over-engineering for less critical systems.

Perfect Fit for Automation: HM88649-HM88612 Bearing
In conveyor systems and packaging machines, HM88649-HM88612 Bearing’s tapered rollers reduce friction during high-speed operations. The precise tolerances help maintain alignment in automated production lines.

Q&A

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