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TS (Single Row Tapered Roller Bearings) (Imperial) HM88649A-HM88612

TS (Single Row Tapered Roller Bearings) (Imperial) HM88649A-HM88612

The HM88649A-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 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 ranging 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 automotive or industrial machinery where combined loads are common.

Weighing 1.1 lb, it’s robust yet manageable. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number HM88649A-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 0.14"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 1.69"
  • Cone Backface Backing Diameter 2.01"
  • 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 HM88649A
  • 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

Performance Features of HM88649A-HM88612 Bearing

HM88649A-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 various applications.
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 diverse operating conditions.

How Is HM88649A-HM88612 Bearing Engineered for Reliability?

HM88649A-HM88612 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 4,180 lbf at 90 million revolutions demonstrates long-term reliability.
The bearing requires lubrication but maintains performance across a wide temperature range.

Built for Durability: HM88649A-HM88612 Bearing

HM88649A-HM88612 Bearing’s chrome steel components resist wear, even under heavy radial loads up to 21,200 lbf.
The tapered roller design distributes loads evenly, reducing stress on individual components.
With an ABEC-1 rating, it balances precision and affordability for industrial applications.
Its standard cup type and open seal design simplify installation and maintenance.

Application

Industrial Uses of HM88649A-HM88612 Bearing
HM88649A-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 in tough working conditions.

In automotive applications, HM88649A-HM88612 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for American-made vehicles.

For industrial conveyor systems, HM88649A-HM88612 Bearing offers smooth operation and easy maintenance due to its open design. The standard radial clearance allows for flexibility in different operational environments.

Where Is HM88649A-HM88612 Bearing Used?
HM88649A-HM88612 Bearing is often found in agricultural machinery, supporting components like gearboxes and PTO shafts. Its robust design withstands the demanding conditions of farm equipment.

In mining applications, HM88649A-HM88612 Bearing handles high radial and thrust loads in crushers and screens. The steel cage adds extra strength for prolonged use in abrasive environments.

Built for Heavy-Duty Use: HM88649A-HM88612 Bearing
HM88649A-HM88612 Bearing is ideal for forestry equipment, where its tapered rollers manage uneven loads from heavy logs. The ABEC-1 rating ensures consistent performance without unnecessary precision costs.

For railway applications, HM88649A-HM88612 Bearing provides reliable support in axle boxes, enduring constant vibrations and heavy loads. Its temperature range suits both cold and moderately hot climates.

Automotive vs Aerospace: Applications of HM88649A-HM88612 Bearing
In automotive settings, HM88649A-HM88612 Bearing is trusted for drivetrain components due to its load capacity and interchangeability. The inch measurements align with standard US automotive designs.

For aerospace ground equipment, HM88649A-HM88612 Bearing assists in handling heavy loads during aircraft maintenance. Its compliance with RoHS and REACH standards ensures environmental safety.

Key Fields for HM88649A-HM88612 Bearing
HM88649A-HM88612 Bearing is a go-to choice for oilfield machinery, where it endures high-pressure conditions in pumps and drills. The dynamic thrust rating ensures stability during intense operations.

In material handling systems, HM88649A-HM88612 Bearing keeps conveyor rollers running smoothly under constant use. The standard radial clearance accommodates minor misalignments without compromising performance.

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