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TS (Single Row Tapered Roller Bearings) (Imperial) HM88649H-HM88613

TS (Single Row Tapered Roller Bearings) (Imperial) HM88649H-HM88613

The HM88649H-HM88613 is a single-row tapered roller bearing with a 1.375″ bore and 2.875″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 20500 lbf radially and 4960 lbf in thrust, suitable for demanding applications.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various conditions.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

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

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Product Parameters

  • Part Number HM88649H-HM88613
  • Brand TFL
  • Interchangeable Timken
  • Size 1.375" x 2.875" x 1.0629"
  • 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 0.8442"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.0629"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 1.68"
  • Cone Backface Backing Diameter 1.91"
  • Cup Frontface Backing Diameter 2.74"
  • Cup Backface Backing Diameter 2.44"
  • 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 HM88613
  • 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 Does HM88649H-HM88613 Bearing Handle Combined Loads?

HM88649H-HM88613 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 20,500 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 HM88649H-HM88613 Bearing Suitable for High-Temperature Applications?

HM88649H-HM88613 Bearing operates efficiently in temperatures up to 110°C, maintaining its structural integrity.
The chrome steel construction resists thermal expansion, ensuring consistent performance.
Its open design allows for easy lubrication, which helps in high-temperature conditions.
This makes it a reliable choice for industrial applications with varying thermal demands.

Engineered for Precision: HM88649H-HM88613 Bearing

HM88649H-HM88613 Bearing features precise tolerances, ensuring smooth operation under combined loads.
The tapered roller design distributes loads evenly, reducing stress on individual components.
Its ABEC-1 rating guarantees a balance of performance and affordability.
The standard radial clearance option provides flexibility for different application needs.

Steel vs Ceramic Bearings: Strengths of HM88649H-HM88613 Bearing

HM88649H-HM88613 Bearing uses chrome steel for both rollers and rings, offering durability and cost-effectiveness.
This material choice provides excellent resistance to wear and fatigue under heavy loads.
The steel cage further enhances stability, ensuring long-term reliability.
It’s a practical solution for applications where ceramic bearings may be unnecessary or too costly.

Application

Industrial Uses of HM88649H-HM88613 Bearing
HM88649H-HM88613 Bearing is commonly used in heavy machinery like construction equipment and agricultural vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, HM88649H-HM88613 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for North American vehicle models.

For industrial conveyor systems, HM88649H-HM88613 Bearing’s open design allows for easy lubrication, extending service life in high-use scenarios. The steel cage adds stability during continuous operation.

What Makes HM88649H-HM88613 Bearing a Preferred Choice?
HM88649H-HM88613 Bearing stands out in applications requiring precise radial and thrust load management, such as gearboxes and power transmission systems. Its ABEC-1 rating ensures consistent performance.

The bearing’s chrome steel rollers and rings offer good resistance to wear, making it suitable for mining equipment. The standard radial clearance also accommodates slight misalignments in rugged setups.

In pump systems, HM88649H-HM88613 Bearing’s tapered design helps maintain alignment under dynamic loads. The inch measurements simplify replacement in existing machinery.

Built for Heavy-Duty Use: HM88649H-HM88613 Bearing
HM88649H-HM88613 Bearing excels in forestry machinery, where its robust construction handles shock loads and vibrations. The steel cage prevents roller skewing during operation.

For railway applications, this bearing’s tapered rollers distribute loads evenly, reducing wear on axles. The temperature range suits both cold and moderate climates.

In material handling equipment, HM88649H-HM88613 Bearing’s dynamic load capacity ensures smooth operation under constant use. The open seal design simplifies maintenance routines.

Automotive vs Aerospace: Applications of HM88649H-HM88613 Bearing
In automotive systems, HM88649H-HM88613 Bearing is often found in truck transmissions, where its thrust capacity manages gear shifts reliably. The inch sizing aligns with standard US components.

For aerospace ground support equipment, this bearing’s combined load capability suits tow tractors and cargo loaders. The chrome steel material meets industry durability requirements.

While not used in-flight, HM88649H-HM88613 Bearing appears in aircraft maintenance tools due to its precision. The ABEC-1 rating provides adequate accuracy for ground applications.

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