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TS (Single Row Tapered Roller Bearings) (Imperial) LM78349A-LM78310A

TS (Single Row Tapered Roller Bearings) (Imperial) LM78349A-LM78310A

The LM78349A-LM78310A is a single-row tapered roller bearing with a 1.3775″ bore and 2.4399″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 11300 lbf radially and 2230 lbf thrust, suitable for demanding applications.

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

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for use in gearboxes or heavy machinery where combined loads are common.

Weighing just 0.5 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number LM78349A-LM78310A
  • Brand TFL
  • Interchangeable Timken
  • Size 1.3775" x 2.4399" x 0.6575"
  • Bore Dia 1.3775"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.4399"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.6693"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.5354"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.6575"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 1.56"
  • Cone Backface Backing Diameter 1.65"
  • Cup Frontface Backing Diameter 2.34"
  • Cup Backface Backing Diameter 2.13"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0.01"
  • Effective Center Location -0.1"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LM78349A
  • Cup Part Number LM78310A
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LM78300
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 11300 lbf
  • Static Radial Load 11800 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 2940 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2230 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 0.5 lb

Features

Performance Features of LM78349A-LM78310A Bearing

LM78349A-LM78310A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 11,300 lbf, ensuring reliable performance in various applications.
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 diverse environments.

How Is LM78349A-LM78310A Bearing Engineered for Reliability?

LM78349A-LM78310A Bearing features precise cone and cup dimensions, ensuring smooth operation under heavy loads.
The tapered roller design distributes loads evenly, enhancing durability and reducing wear.
Its standard radial clearance allows for flexibility in different operating conditions.
The ABEC-1 rating confirms its consistent quality and performance.

Designed for Durability: LM78349A-LM78310A Bearing

LM78349A-LM78310A Bearing’s chrome steel construction provides excellent resistance to wear and fatigue.
The single-row design simplifies installation while maintaining high load capacity.
With a static radial load rating of 11,800 lbf, it handles demanding applications with ease.
Its open design allows for easy lubrication, ensuring long-term reliability.

Application

Industrial Uses of LM78349A-LM78310A Bearing
LM78349A-LM78310A Bearing is commonly used in heavy machinery, such as construction equipment and agricultural vehicles, where combined radial and thrust loads are present. Its tapered roller design ensures efficient load distribution, reducing wear over time.

In automotive applications, LM78349A-LM78310A Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying stress conditions. The inch sizing makes it a convenient choice for American-made vehicles.

For industrial conveyor systems, LM78349A-LM78310A Bearing’s chrome steel construction offers durability in high-load environments. The open seal design allows for easy lubrication, extending its service life in demanding settings.

LM78349A-LM78310A Bearing also works well in mining equipment, where its robust build handles abrasive conditions. The standard radial clearance ensures smooth operation even under heavy vibrations.

Q&A

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