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TS (Single Row Tapered Roller Bearings) (Imperial) L879946-L879910

TS (Single Row Tapered Roller Bearings) (Imperial) L879946-L879910

The L879946-L879910 is a single-row tapered roller bearing with a 23.992″ bore and 30″ outer diameter, built from sturdy chrome steel for heavy-duty use. It handles combined loads up to 445,000 lbf radially and 96,300 lbf thrust, making it suitable for demanding applications.

Its open design allows easy lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly in temperatures from -30°C to 110°C, with standard radial clearance options available.

This model is interchangeable with Timken bearings, offering a reliable replacement choice. Ideal for industrial machinery, large vehicles, or equipment where heavy radial and thrust loads are present.

Weighing 205.90 lb, it’s designed for robust performance in tough conditions. Compliant with RoHS and REACH standards, it meets ABEC-1 precision requirements.

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Product Parameters

  • Part Number L879946-L879910
  • Brand TFL
  • Interchangeable Timken
  • Size 23.992" x 30" x 3.75"
  • Bore Dia 23.992"
  • Bore Dia Tolerance +0.002" to 0
  • Outer Dia 30"
  • Outer Dia Tolerance +0.003" to 0
  • Cone Width 3.625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 2.8125"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 3.75"
  • Width Tolerance +0.015" to -0.015"
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.250"
  • Cone Frontface Backing Diameter 29.53"
  • Cone Backface Backing Diameter 25.28"
  • Cup Frontface Backing Diameter 29.27"
  • Cup Backface Backing Diameter 28.35"
  • Cage Cone Frontface Clearance 0.29"
  • Cage Cone Backface Clearance 0.39"
  • Effective Center Location 2.28"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number L879946
  • Cup Part Number L879910
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series L879900
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 445000 lbf
  • Static Radial Load 1230000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 115000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 96300 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 205.90 lb

Features

Performance Features of L879946-L879910 Bearing

L879946-L879910 Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 445,000 lbf, making it suitable for heavy-duty applications.

The tapered roller design ensures effective load distribution, reducing stress on individual components.
With a static radial load capacity of 1,230,000 lbf, it provides reliable support in demanding conditions.

L879946-L879910 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, enhancing durability and extending service life.

Application

Industrial Uses of L879946-L879910 Bearing
L879946-L879910 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability in harsh environments.

In automotive applications, L879946-L879910 Bearing supports large axles and drivetrains, particularly in trucks and buses. Its imperial sizing makes it a straightforward replacement for Timken bearings in North American vehicles.

For industrial fans and pumps, L879946-L879910 Bearing’s high dynamic load capacity ensures reliable performance under continuous operation. The open design simplifies lubrication maintenance, extending service life.

Where Is L879946-L879910 Bearing Used?
L879946-L879910 Bearing fits well in agricultural machinery, such as tractors and harvesters, where its robust design withstands heavy loads and rough terrain. The steel cage adds extra resilience.

In railway applications, L879946-L879910 Bearing provides stability for freight car axles, thanks to its precise tolerances and high static radial load rating. The inch measurements align with standard rail components.

Built for Heavy-Duty Use: L879946-L879910 Bearing
L879946-L879910 Bearing excels in oilfield equipment, handling the demanding conditions of drilling rigs. Its tapered rollers distribute loads evenly, reducing wear.

For wind turbine gearboxes, L879946-L879910 Bearing offers reliable performance with its high dynamic thrust rating. The standard radial clearance ensures smooth operation in variable conditions.

Automotive vs Aerospace: Applications of L879946-L879910 Bearing
In automotive sectors, L879946-L879910 Bearing is ideal for heavy-duty transmissions, while in aerospace, it suits ground support equipment due to its load capacity. The temperature range covers most operational needs.

For industrial presses, L879946-L879910 Bearing’s combined load handling makes it a practical choice. The ABEC-1 rating balances precision and cost-effectiveness for general machinery.

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