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TS (Single Row Tapered Roller Bearings) (Imperial) HM803149-HM803111

TS (Single Row Tapered Roller Bearings) (Imperial) HM803149-HM803111

The HM803149-HM803111 is a single-row tapered roller bearing with a 1.75″ bore and 3.5″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 25600 lbf radially and 6200 lbf in 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 1.9 lbs, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for diverse environments.

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Product Parameters

  • Part Number HM803149-HM803111
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.5" x 1.1875"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.5"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.1563"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9063"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.1"
  • Cone Backface Backing Diameter 2.44"
  • Cup Frontface Backing Diameter 3.39"
  • Cup Backface Backing Diameter 2.99"
  • Cage Cone Frontface Clearance 0.11"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.17"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number HM803149
  • Cup Part Number HM803111
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series HM803100
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 25600 lbf
  • Static Radial Load 32400 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 6630 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 6200 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 1.900 lb

Features

How Does HM803149-HM803111 Bearing Handle Combined Loads?

HM803149-HM803111 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 25,600 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending the bearing’s service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

Why Choose HM803149-HM803111 Bearing for Precision Tasks?

HM803149-HM803111 Bearing features a tapered roller design, providing precise load distribution and smooth operation.
The chrome steel construction enhances durability, making it suitable for heavy-duty applications.
Its standard radial clearance ensures consistent performance, while the open design simplifies maintenance.
With an ABEC-1 rating, it balances precision and cost-effectiveness.

Built for Reliability: HM803149-HM803111 Bearing

HM803149-HM803111 Bearing’s single-row construction ensures stability under combined loads.
The chrome steel rollers and rings resist wear, maintaining performance over time.
Its effective centre location of -0.17″ optimises load distribution, reducing stress on components.
The bearing’s standard lubrication requirement ensures smooth operation with minimal maintenance.

Steel vs Ceramic Bearings: Strengths of HM803149-HM803111 Bearing

HM803149-HM803111 Bearing uses chrome steel for both rollers and rings, offering excellent strength and durability.
This material choice ensures reliable performance under high dynamic and static loads.
The steel cage provides robust support, keeping rollers aligned during operation.
With a wide temperature range, it adapts to various industrial environments.

Performance Features of HM803149-HM803111 Bearing

HM803149-HM803111 Bearing’s tapered roller design efficiently handles combined radial and thrust loads.
Its dynamic thrust rating of 6,200 lbf ensures dependable performance in demanding applications.
The bearing’s standard radial clearance options allow for flexibility in different setups.
With a weight of 1.900 lb, it balances durability and ease of handling.

Application

Industrial Uses of HM803149-HM803111 Bearing
HM803149-HM803111 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently.
The imperial sizing makes it a straightforward replacement for Timken bearings in North American industrial applications.

Why Is HM803149-HM803111 Bearing Essential in Machinery?
You’ll find HM803149-HM803111 Bearing in gearboxes and wheel hubs, where its chrome steel construction ensures durability under high radial and thrust loads.
Its standard radial clearance options allow for flexibility in different operating conditions.

Built for Heavy-Duty Use: HM803149-HM803111 Bearing
HM803149-HM803111 Bearing works well in mining equipment, standing up to tough conditions thanks to its steel cage and robust design.
The ABEC-1 rating means it’s reliable for general industrial applications without unnecessary precision costs.

Automotive vs Industrial: Applications of HM803149-HM803111 Bearing
In trucks and trailers, HM803149-HM803111 Bearing supports axles and differentials, while in factories it’s used in conveyor systems and heavy rotors.
The 1.75″ bore size fits common shaft diameters in both sectors.

Practical Applications of HM803149-HM803111 Bearing
HM803149-HM803111 Bearing is handy for maintenance crews as it directly replaces Timken HM803149/HM803111 sets in existing equipment.
The temperature range from -30° to 110°C covers most working environments without special modifications.

Q&A

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