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TS (Single Row Tapered Roller Bearings) (Imperial) HM903249A-HM903210

TS (Single Row Tapered Roller Bearings) (Imperial) HM903249A-HM903210

The HM903249A-HM903210 is a single-row tapered roller bearing with a 1.75″ bore and 3.75″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 30700 lbf radially and 10100 lbf 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 industrial machinery or automotive systems where combined loads are common.

Weighing 2.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number HM903249A-HM903210
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.75" x 1.2188"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.75"
  • 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 3.62"
  • Cup Backface Backing Diameter 3.19"
  • 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 HM903210
  • 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 2.2 lb

Features

Performance Features of HM903249A-HM903210 Bearing

HM903249A-HM903210 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 30700 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is HM903249A-HM903210 Bearing Engineered for Reliability?

HM903249A-HM903210 Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides durability, while the steel cage ensures smooth operation.
Its dynamic thrust rating of 10100 lbf makes it suitable for heavy-duty applications.
The standard radial clearance allows for flexibility in different operating conditions.

Designed for Durability: HM903249A-HM903210 Bearing

HM903249A-HM903210 Bearing’s single-row construction ensures stability and consistent performance.
The precise tolerances on bore and outer diameters enhance fit and alignment during installation.
With a static radial load capacity of 29700 lbf, it handles high-stress situations effectively.
The open seal type simplifies maintenance, reducing downtime and operational costs.

Application

Industrial Uses of HM903249A-HM903210 Bearing
HM903249A-HM903210 Bearing works well in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, HM903249A-HM903210 Bearing is commonly used in wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it compatible with many American-made vehicles.

For industrial gearboxes, HM903249A-HM903210 Bearing’s standard radial clearance allows for smooth operation at different speeds. The steel cage adds stability, reducing wear over time.

Where Is HM903249A-HM903210 Bearing Used?
You’ll often find HM903249A-HM903210 Bearing in agricultural machinery, where it supports heavy loads in tractors and harvesters. Its open design makes lubrication straightforward, which is handy in dusty environments.

In mining equipment, HM903249A-HM903210 Bearing handles the high stresses of conveyor systems and crushers. The tapered rollers distribute weight evenly, extending the bearing’s service life.

Built for Heavy-Duty Use: HM903249A-HM903210 Bearing
HM903249A-HM903210 Bearing is a solid choice for forestry machinery, where it deals with uneven loads and vibrations. The chrome steel rollers resist wear, even in harsh outdoor conditions.

For material handling systems, HM903249A-HM903210 Bearing’s ABEC-1 rating ensures consistent performance without needing high precision. It’s a practical option for conveyor belts and lifting equipment.

Automotive vs Aerospace: Applications of HM903249A-HM903210 Bearing
In automotive settings, HM903249A-HM903210 Bearing fits well in truck axles, offering a balance of strength and affordability. The inch measurements align with many standard vehicle designs.

While not typically used in aerospace, HM903249A-HM903210 Bearing suits heavy industrial applications better. Its dynamic load capacity makes it reliable for machinery rather than high-speed flight systems.

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