TS (Single Row Tapered Roller Bearings) (Imperial) M349549A-M349512XX

The M349549A-M349512XX is a single-row tapered roller bearing with a 10.125″ bore and 13.5″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 153,000 lbf radially and 23,600 lbf thrust, making it suitable for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. 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, gearboxes, or construction equipment where robust performance is needed.

Weighing 29.8 lb, it’s designed for stability and long service life. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Description

Features

Application

Q&A

Product Parameters

Part Number M349549A-M349512XX
Brand TFL
Interchangeable Timken
Size 10.125" x 13.5" x 2.25"
Bore Dia 10.125"
Bore Dia Tolerance +0.001" to 0
Outer Dia 13.5"
Outer Dia Tolerance +0.002" to 0
Cone Width 2.25"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.75"
Cup Width Tolerance +0.002" to -0.01
Width 2.25"
Width Tolerance +0.014" to -0.01"
Cone Backface ToClear Radius 0.420"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 11.61"
Cone Backface Backing Diameter 11.38"
Cup Frontface Backing Diameter 13.15"
Cup Backface Backing Diameter 12.68"
Cage Cone Frontface Clearance 0.17"
Cage Cone Backface Clearance 0.15"
Effective Center Location 0.1"
System of Measurement Inch
Type Bearing
Cone Part Number M349549A
Cup Part Number M349512XX
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series M349500
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 153000 lbf
Static Radial Load 321000 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 39700 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 23600 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 29.8 lb

Features

Performance Features of M349549A-M349512XX Bearing

M349549A-M349512XX Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 153,000 lbf, ensuring reliable performance in heavy-duty 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 various environmental conditions.

M349549A-M349512XX Bearing’s standard radial clearance allows for flexibility in different applications.
Its tapered roller design ensures smooth operation under both radial and thrust loads.

The bearing requires lubrication, but its robust construction minimises maintenance needs.
Weighing 29.8 lb, it balances durability with manageable handling.

Application

Industrial Uses of M349549A-M349512XX Bearing
M349549A-M349512XX Bearing is commonly used in heavy machinery, such as mining equipment and construction vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, M349549A-M349512XX Bearing supports large axles and wheel hubs, providing reliable performance under heavy radial and thrust loads. Its inch sizing makes it a preferred choice for American and British vehicle manufacturers.

For industrial gearboxes, M349549A-M349512XX Bearing’s high dynamic load capacity ensures smooth operation in high-torque environments. The open design allows for easy lubrication, extending the bearing’s service life.

What Makes M349549A-M349512XX Bearing a Preferred Choice?
M349549A-M349512XX Bearing is ideal for agricultural machinery, such as tractors and harvesters, where its robust design withstands varying loads and harsh environments. The steel cage adds extra strength to the assembly.

In railway applications, M349549A-M349512XX Bearing is used in bogies and axle boxes, ensuring reliable performance over long distances. Its standard radial clearance options make it adaptable to different operational needs.

Built for Heavy-Duty Use: M349549A-M349512XX Bearing
M349549A-M349512XX Bearing excels in oilfield equipment, handling extreme loads and vibrations with ease. The tapered rollers distribute stress evenly, reducing wear over time.

For wind turbine systems, M349549A-M349512XX Bearing supports the main shaft, offering stability under dynamic wind conditions. Its temperature range ensures performance in both hot and cold climates.