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TS (Single Row Tapered Roller Bearings) (Imperial) HM903249A-HM903216

TS (Single Row Tapered Roller Bearings) (Imperial) HM903249A-HM903216

The HM903249A-HM903216 is a single-row tapered roller bearing with a 1.75″ bore and 3.875″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 30700 lbf radially and 10100 lbf in thrust, making it versatile for heavy-duty use.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. 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 applications like automotive axles or industrial gearboxes where combined loads are common.

Weighing 2.4 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

The tapered roller design provides effective load distribution, enhancing longevity. Its standard radial clearance ensures easy installation and maintenance.

Suitable for machinery requiring ABEC-1 precision, it balances performance and affordability. A practical choice for engineers and maintenance teams alike.

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Product Parameters

  • Part Number HM903249A-HM903216
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.875" x 1.2188"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.875"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.1142"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.2188"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.13"
  • Cone Backface Backing Diameter 2.56"
  • Cup Frontface Backing Diameter 3.66"
  • Cup Backface Backing Diameter 3.23"
  • Cage Cone Frontface Clearance 0.13"
  • Cage Cone Backface Clearance 0.12"
  • Effective Center Location 0.02"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number HM903249A
  • Cup Part Number HM903216
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series HM903200
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 30700 lbf
  • Static Radial Load 29700 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 7950 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 10100 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 2.4 lb

Features

Performance Features of HM903249A-HM903216 Bearing

HM903249A-HM903216 Bearing is crafted from chrome steel for both rings and rollers, ensuring strength and durability.
Its dynamic radial load capacity of 30,700 lbf makes it suitable for combined load applications.
The tapered roller design provides effective load distribution, enhancing performance under stress.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

How Is HM903249A-HM903216 Bearing Engineered for Reliability?

HM903249A-HM903216 Bearing features precise tolerances, with bore diameter tolerance of +0.005″ to 0.
The steel cage maintains roller alignment, reducing friction and extending service life.
Its standard radial clearance ensures smooth operation, with options for C3/C4/C5 available.
This bearing is interchangeable with Timken models, offering flexibility in replacements.

Built for Durability: HM903249A-HM903216 Bearing

HM903249A-HM903216 Bearing’s single-row construction provides stability in combined load scenarios.
The chrome steel rollers resist wear, maintaining performance over extended periods.
With a static radial load capacity of 29,700 lbf, it handles heavy-duty applications effortlessly.
Its ABEC-1 rating ensures consistent precision in industrial settings.

Steel vs Ceramic Bearings: Strengths of HM903249A-HM903216 Bearing

HM903249A-HM903216 Bearing uses chrome steel for both rings and rollers, balancing cost and durability.
The material choice ensures resistance to wear, even under high dynamic thrust loads of 10,100 lbf.
Unlike ceramic bearings, it offers a more economical solution without compromising on strength.
Its standard lubrication requirement simplifies maintenance while ensuring reliable operation.

Why Choose HM903249A-HM903216 Bearing for Precision Tasks?

HM903249A-HM903216 Bearing’s tapered roller design ensures accurate load distribution.
The effective center location of 0.02″ enhances alignment, reducing operational stress.
Its dynamic radial rating of 7,950 lbf at 90 million revolutions highlights long-term reliability.
The open seal type allows for easy lubrication, maintaining performance over time.

Application

Industrial Uses of HM903249A-HM903216 Bearing
HM903249A-HM903216 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, HM903249A-HM903216 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a good match for American-made vehicles.

For industrial gearboxes, HM903249A-HM903216 Bearing offers smooth operation thanks to its precise radial and thrust load capacity. The open design allows for easy lubrication, extending service life in high-demand environments.

Where Is HM903249A-HM903216 Bearing Used?
You’ll often find HM903249A-HM903216 Bearing in agricultural machinery, where its robust design handles dirt and debris without compromising performance. The steel cage adds extra strength for rough conditions.

In mining equipment, HM903249A-HM903216 Bearing’s ability to manage heavy radial and thrust loads makes it a trusted choice. Its standard radial clearance ensures consistent operation even under extreme stress.

Built for Heavy-Duty Use: HM903249A-HM903216 Bearing
HM903249A-HM903216 Bearing excels in forestry equipment, where its tapered rollers distribute loads evenly. The chrome steel rollers resist wear, making it suitable for high-impact applications.

For conveyor systems, HM903249A-HM903216 Bearing’s open design simplifies maintenance, while its dynamic load rating keeps things running smoothly. The ABEC-1 rating ensures reliable precision for most industrial needs.

Automotive vs Aerospace: Applications of HM903249A-HM903216 Bearing
In automotive settings, HM903249A-HM903216 Bearing is ideal for drivetrain components, offering a balance of strength and efficiency. Its imperial measurements align with many US and UK vehicle standards.

While not typically used in aerospace, HM903249A-HM903216 Bearing’s reliability makes it a backup option for ground support equipment. The temperature range suits most non-critical aviation applications.

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