+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) HM88644-HM88612

TS (Single Row Tapered Roller Bearings) (Imperial) HM88644-HM88612

The HM88644-HM88612 is a single-row tapered roller bearing with a 1.25″ 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 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 machinery like gearboxes or wheel hubs where combined loads are common.

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

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number HM88644-HM88612
  • Brand TFL
  • Interchangeable Timken
  • Size 1.25" x 2.875" x 1.0449"
  • Bore Dia 1.25"
  • 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 0.06"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 1.67"
  • Cone Backface Backing Diameter 1.75"
  • 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 HM88644
  • 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

How Does HM88644-HM88612 Bearing Handle Combined Loads?

HM88644-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.

Why Choose HM88644-HM88612 Bearing for Precision Tasks?

HM88644-HM88612 Bearing features a single row tapered roller design, providing precise load distribution.
The chrome steel construction enhances durability while maintaining smooth operation.
Its standard radial clearance ensures consistent performance in combined load applications.
The bearing’s ABEC-1 rating confirms its suitability for precision engineering tasks.

Built for Reliability: HM88644-HM88612 Bearing

HM88644-HM88612 Bearing’s robust design includes a steel cage for improved roller guidance.
The tapered roller configuration efficiently handles combined loads up to 21,200 lbf static capacity.
Precision tolerances on bore and outer diameters ensure proper fit and alignment.
This bearing requires regular lubrication for optimal performance and longevity.

Steel vs Ceramic Bearings: Strengths of HM88644-HM88612 Bearing

HM88644-HM88612 Bearing uses chrome steel for both rollers and rings, offering excellent strength.
The material choice provides good wear resistance while remaining cost-effective.
Its 1.2 lb weight makes it suitable for applications where weight is a consideration.
The bearing maintains performance across a wide temperature range without special materials.

Performance Features of HM88644-HM88612 Bearing

HM88644-HM88612 Bearing’s tapered roller design efficiently manages combined radial and thrust loads.
The chrome steel components resist wear, extending the bearing’s operational life.
With standard radial clearance options available, it accommodates various application needs.
Proper lubrication ensures smooth operation throughout its temperature range.

Application

Industrial Uses of HM88644-HM88612 Bearing
HM88644-HM88612 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 conditions.

In automotive applications, HM88644-HM88612 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a go-to choice for North American vehicle models.

For industrial conveyor systems, HM88644-HM88612 Bearing offers smooth operation with its standard radial clearance. The open seal type allows for easy lubrication, extending its service life in high-use environments.

What Makes HM88644-HM88612 Bearing a Preferred Choice?
HM88644-HM88612 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 terrains.

In mining equipment, HM88644-HM88612 Bearing’s ABEC-1 rating ensures consistent performance. Its temperature range of -30° to 110°C makes it adaptable to various working conditions.

Built for Heavy-Duty Use: HM88644-HM88612 Bearing
HM88644-HM88612 Bearing is ideal for forklifts, where its dynamic radial load capacity of 17300 lbf ensures stability. The tapered rollers distribute weight evenly, reducing wear over time.

For railway applications, HM88644-HM88612 Bearing’s effective center location helps maintain alignment. Its compatibility with Timken models adds to its versatility in maintenance and replacements.

Light-Duty vs Heavy-Duty: Best Uses for HM88644-HM88612 Bearing
In light-duty applications like small gearboxes, HM88644-HM88612 Bearing provides reliable performance without excessive maintenance. Its standard radial clearance suits moderate load requirements.

For heavy-duty uses such as crane systems, HM88644-HM88612 Bearing’s static radial load capacity of 21200 lbf ensures safety. The chrome steel rollers enhance longevity under constant stress.

Q&A

SEND INQUIRY