TS (Single Row Tapered Roller Bearings) (Imperial) LM78349-LM78310C

The LM78349-LM78310C 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 9560 lbf radially and 1880 lbf in thrust, suitable for moderate-speed applications.

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

This model is interchangeable with Timken bearings, offering a reliable alternative for replacements. It’s ideal for machinery like gearboxes or axles where combined loads are common.

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

The standard radial clearance ensures easy installation, while the tapered rollers provide stable performance under load. Perfect for applications requiring precise alignment and durability.

With an ABEC-1 rating, it balances precision and affordability. Its simple maintenance and sturdy build make it a practical pick for engineers and repair teams alike.

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Description

Features

Application

Q&A

Product Parameters

Part Number LM78349-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 0.14"
Cup Backface ToClear Radius 0.06"
Cone Frontface Backing Diameter 1.57"
Cone Backface Backing Diameter 1.81"
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 LM78349
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 9560 lbf
Static Radial Load 11800 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 2480 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 1880 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 LM78349-LM78310C Bearing

LM78349-LM78310C Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 9560 lbf, ensuring reliable performance in various applications.
The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in diverse operating conditions.

How Is LM78349-LM78310C Bearing Engineered for Reliability?

LM78349-LM78310C Bearing features a single-row tapered roller design, ideal for handling combined radial and thrust loads.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its effective center location of -0.1″ enhances stability during use.
With an ABEC-1 rating, it balances precision and cost-effectiveness.

Built for Durability: LM78349-LM78310C Bearing

LM78349-LM78310C Bearing’s chrome steel components resist wear, even under heavy loads.
The open design allows for easy lubrication, maintaining optimal performance over time.
Its static radial load capacity of 11800 lbf ensures reliability in demanding conditions.
The tapered roller design distributes loads evenly, reducing stress on individual components.

Steel vs Ceramic Bearings: Strengths of LM78349-LM78310C Bearing

LM78349-LM78310C Bearing uses chrome steel for both rollers and rings, providing excellent strength and durability.
This material choice makes it more cost-effective than ceramic bearings while maintaining high performance.
The steel cage ensures proper roller spacing, enhancing load distribution.
With a dynamic thrust rating of 1880 lbf, it handles combined loads efficiently.

Application

Industrial Uses of LM78349-LM78310C Bearing
LM78349-LM78310C Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in demanding environments.

Where Is LM78349-LM78310C Bearing Used?
You’ll often find LM78349-LM78310C Bearing in automotive applications, such as wheel hubs and differential systems. Its inch sizing makes it a reliable choice for vehicles designed to imperial specifications.

Built for Heavy-Duty Use: LM78349-LM78310C Bearing
LM78349-LM78310C Bearing excels in industrial gearboxes, thanks to its robust steel cage and high dynamic load capacity. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of LM78349-LM78310C Bearing
In automotive settings, LM78349-LM78310C Bearing supports high-load components like axles, while its precision makes it suitable for certain aerospace applications. The ABEC-1 rating ensures consistent performance.

Perfect Fit for Automation: LM78349-LM78310C Bearing
LM78349-LM78310C Bearing is ideal for automated conveyor systems, where its tapered rollers provide smooth motion under varying loads. The standard radial clearance offers flexibility in installation.