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TS (Single Row Tapered Roller Bearings) (Imperial) HM803149-HM803112

TS (Single Row Tapered Roller Bearings) (Imperial) HM803149-HM803112

The HM803149-HM803112 is a single-row tapered roller bearing with a 1.75″ bore and 3.625″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 25600 lbf radially and 6200 lbf thrust, making it a robust choice for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures reliable performance under stress. 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 use in industrial machinery, automotive systems, or construction equipment where combined loads are common.

Weighing just 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 HM803149-HM803112
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 3.625" x 1.1875"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.625"
  • 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 0.130"
  • Cone Frontface Backing Diameter 2.1"
  • Cone Backface Backing Diameter 2.44"
  • Cup Frontface Backing Diameter 3.40"
  • 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 HM803112
  • 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 2 lb

Features

Performance Features of HM803149-HM803112 Bearing

HM803149-HM803112 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 25,600 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is HM803149-HM803112 Bearing Engineered for Reliability?

HM803149-HM803112 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 6,200 lbf allows for efficient performance in demanding setups.
The bearing requires lubrication, ensuring consistent performance over time.

Designed for Durability: HM803149-HM803112 Bearing

HM803149-HM803112 Bearing’s tapered roller design minimises wear, even under high radial and thrust loads.
The steel cage maintains roller alignment, contributing to long service life and reduced maintenance.
With an ABEC-1 rating, it balances precision and reliability for industrial applications.
Its inch-sized dimensions (1.75″ x 3.625″ x 1.1875″) make it compatible with standard imperial systems.

Steel vs Ceramic Bearings: Strengths of HM803149-HM803112 Bearing

HM803149-HM803112 Bearing uses chrome steel for both rings and rollers, ensuring robust load-bearing capacity.
The steel cage provides stability, while the open design allows for easy lubrication access.
With a static radial load of 32,400 lbf, it handles heavy industrial demands effectively.
Its standard radial clearance options (C3/C4/C5) offer flexibility for different operational needs.

Application

Industrial Uses of HM803149-HM803112 Bearing
This bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough working conditions.

Where Is HM803149-HM803112 Bearing Used?
You’ll often find HM803149-HM803112 Bearing in automotive axles and wheel hubs, thanks to its ability to manage both radial and thrust loads. Its inch sizing makes it a good fit for American-made vehicles and industrial systems.

Built for Heavy-Duty Use: HM803149-HM803112 Bearing
HM803149-HM803112 Bearing excels in conveyor systems and mining equipment, where its open design allows for easy lubrication. The steel cage adds extra strength, making it reliable for long-term use.

Automotive vs Aerospace: Applications of HM803149-HM803112 Bearing
In automotive settings, HM803149-HM803112 Bearing supports drivetrain components, while in aerospace, it’s used in auxiliary systems. Its temperature range and load capacity make it versatile for different industries.

Perfect Fit for Automation: HM803149-HM803112 Bearing
HM803149-HM803112 Bearing works well in robotic arms and automated assembly lines, where precision and load handling are key. The standard radial clearance ensures smooth operation in repetitive tasks.

Q&A

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