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TS (Single Row Tapered Roller Bearings) (Imperial) HM88649H-HM88612

TS (Single Row Tapered Roller Bearings) (Imperial) HM88649H-HM88612

The HM88649H-HM88612 is a single-row tapered roller bearing with a 1.375″ bore and 2.875″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 20500 lbf radially and 4960 lbf in thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures reliable performance 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 practical replacement option. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 1.2 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

The standard radial clearance (with options for C3/C4/C5) provides flexibility for different setups. Its ABEC-1 rating ensures dependable precision for general engineering needs.

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Product Parameters

  • Part Number HM88649H-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 HM88649H
  • 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 20500 lbf
  • Static Radial Load 21200 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4960 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 Is HM88649H-HM88612 Bearing Engineered for Reliability?

HM88649H-HM88612 Bearing is constructed with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 20,500 lbf, ensuring dependable performance in various applications.
The steel cage maintains roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in diverse conditions.

What Makes HM88649H-HM88612 Bearing Suitable for High-Temperature Applications?

HM88649H-HM88612 Bearing operates efficiently in temperatures ranging from -30° to 110°C, making it versatile for different environments.
The chrome steel construction provides excellent heat resistance, maintaining performance under stress.
Its tapered roller design ensures even load distribution, reducing wear over time.
The open seal type allows for easy lubrication, further enhancing its high-temperature suitability.

Designed for Durability: HM88649H-HM88612 Bearing

HM88649H-HM88612 Bearing features a single-row tapered roller design, optimised for combined load applications.
The chrome steel rollers and rings ensure long-lasting performance, even under heavy radial loads.
With a static radial load capacity of 21,200 lbf, it offers reliable strength for demanding tasks.
Its standard radial clearance options provide flexibility for various installation needs.

Application

Industrial Uses of HM88649H-HM88612 Bearing
HM88649H-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 environments.

In automotive applications, HM88649H-HM88612 Bearing fits well in wheel hubs and drivetrains, providing reliable performance under varying loads. Its imperial sizing makes it a preferred choice for North American vehicle models.

For industrial conveyor systems, HM88649H-HM88612 Bearing offers smooth operation with its standard radial clearance. The steel cage adds stability, making it suitable for continuous use.

Where Is HM88649H-HM88612 Bearing Used?
You’ll often find HM88649H-HM88612 Bearing in agricultural machinery, where its robust design handles rough conditions. The open seal type allows for easy lubrication, extending its service life.

In mining equipment, HM88649H-HM88612 Bearing’s high dynamic radial load capacity ensures reliable performance. The tapered rollers distribute loads evenly, reducing wear over time.

Built for Heavy-Duty Use: HM88649H-HM88612 Bearing
HM88649H-HM88612 Bearing excels in forestry machinery, where its combined load capability is essential. The chrome steel rollers provide excellent resistance to wear and tear.

For railway applications, HM88649H-HM88612 Bearing’s precise tolerances ensure smooth operation. Its ABEC-1 rating makes it a dependable choice for moderate-speed requirements.

Automotive vs Aerospace: Applications of HM88649H-HM88612 Bearing
In automotive systems, HM88649H-HM88612 Bearing supports wheel assemblies, offering durability and load capacity. The imperial sizing ensures compatibility with many standard designs.

For aerospace ground equipment, HM88649H-HM88612 Bearing’s temperature range suits various operational conditions. Its steel cage provides stability without adding excessive weight.

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