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TS (Single Row Tapered Roller Bearings) (Imperial) LM78349A-LM78310C
TS (Single Row Tapered Roller Bearings) (Imperial) LM78349A-LM78310C

TS (Single Row Tapered Roller Bearings) (Imperial) LM78349A-LM78310C

The LM78349A-LM78310C is a single-row tapered roller bearing with a 1.3775″ bore and 2.4399″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 11300 lbf radially and 2230 lbf in thrust, making it versatile for various applications.

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

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing just 0.5 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it meets safety and environmental requirements. The standard radial clearance ensures easy installation and maintenance.

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Product Parameters

  • Part Number LM78349A-LM78310C
  • Brand TFL
  • Interchangeable Timken
  • Size 1.3775" x 2.4399" x 0.7087"
  • 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 0.5906"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.7087"
  • 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 2.20"
  • 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 LM78310C
  • 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-LM78310C Bearing

LM78349A-LM78310C 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 operational life.
With a temperature range of -30° to 110°C, it performs well in diverse environments.

How Is LM78349A-LM78310C Bearing Engineered for Reliability?

LM78349A-LM78310C Bearing features precise cone and cup dimensions, ensuring smooth operation under heavy loads.
The tapered roller design distributes stress evenly, enhancing durability and reducing wear.
Its standard radial clearance allows for flexibility in different mounting conditions.
This bearing is compatible with Timken models, offering easy replacement options.

Designed for Durability: LM78349A-LM78310C Bearing

LM78349A-LM78310C 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 seal type allows for easy lubrication, ensuring long service life.

Application

Industrial Uses of LM78349A-LM78310C Bearing
LM78349A-LM78310C Bearing is commonly used in heavy machinery like construction equipment and agricultural vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, LM78349A-LM78310C Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for North American vehicle models.

For industrial gearboxes, LM78349A-LM78310C Bearing’s open design allows easy lubrication, extending service life in high-speed operations. The steel cage adds stability, reducing wear over time.

What Makes LM78349A-LM78310C Bearing a Preferred Choice?
LM78349A-LM78310C Bearing works smoothly in conveyor systems, thanks to its tapered rollers that manage both radial and axial forces. The standard radial clearance offers flexibility for different installation needs.

In mining equipment, LM78349A-LM78310C Bearing’s robust design withstands harsh conditions, while the ABEC-1 rating ensures consistent performance. Its compatibility with Timken models simplifies replacements.

Built for Heavy-Duty Use: LM78349A-LM78310C Bearing
LM78349A-LM78310C Bearing excels in applications like forklifts and cranes, where its dynamic load capacity keeps operations running smoothly. The inch measurements align with many industrial standards.

For railway systems, LM78349A-LM78310C Bearing’s temperature range (-30° to 110°C) makes it suitable for varying climates. The steel cage and rollers provide long-lasting reliability.

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