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TS (Single Row Tapered Roller Bearings) (Imperial) LL575343-LL575310

TS (Single Row Tapered Roller Bearings) (Imperial) LL575343-LL575310

The LL575343-LL575310 is a single-row tapered roller bearing with a 21″ bore and 25″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 201,000 lbf radially and 36,100 lbf thrust, making it robust for heavy-duty use.

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, suitable for varied environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery, construction equipment, or large vehicles where heavy loads are common.

Weighing 60 lbs, it’s built for strength and longevity. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number LL575343-LL575310
  • Brand TFL
  • Interchangeable Timken
  • Size 21" x 25" x 2"
  • Bore Dia 21"
  • Bore Dia Tolerance +0.002" to 0
  • Outer Dia 25"
  • Outer Dia Tolerance +0.003" to 0
  • Cone Width 2"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.5"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2"
  • Width Tolerance +0.015" to -0.015"
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.250"
  • Cone Frontface Backing Diameter 25.98"
  • Cone Backface Backing Diameter 21.97"
  • Cup Frontface Backing Diameter 24.73"
  • Cup Backface Backing Diameter 24.09"
  • Cage Cone Frontface Clearance 0.19"
  • Cage Cone Backface Clearance 0.12"
  • Effective Center Location 2"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LL575343
  • Cup Part Number LL575310
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LL575300
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 201000 lbf
  • Static Radial Load 459000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 52000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 36100 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 60.00 lb

Features

How Does LL575343-LL575310 Bearing Handle Combined Loads?

LL575343-LL575310 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 201,000 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

Performance Features of LL575343-LL575310 Bearing

LL575343-LL575310 Bearing’s single-row tapered roller design provides efficient load distribution for combined forces.
The chrome steel construction enhances durability, even under high static radial loads of 459,000 lbf.
Its standard radial clearance ensures smooth operation, while the open seal type allows for easy lubrication.
The bearing’s ABEC-1 rating confirms its precision and reliability in industrial applications.

Why Choose LL575343-LL575310 Bearing for Heavy-Duty Applications?

LL575343-LL575310 Bearing’s robust design handles dynamic thrust ratings up to 36,100 lbf with ease.
The precise cone and cup width tolerances ensure a secure fit, minimising vibration during operation.
Its steel cage maintains roller spacing, preventing skidding and reducing wear.
With a weight of 60 lb, it offers a solid balance between strength and manageable size.

Application

Industrial Uses of LL575343-LL575310 Bearing
LL575343-LL575310 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined radial and thrust loads efficiently. The large imperial sizing makes it ideal for robust applications requiring durability.

In automotive systems, LL575343-LL575310 Bearing supports components like truck axles and differentials, ensuring smooth operation under heavy loads. Its chrome steel construction provides long-lasting performance even in demanding conditions.

For industrial conveyor systems, LL575343-LL575310 Bearing’s open design allows for easy lubrication, reducing maintenance downtime. The standard radial clearance ensures reliable performance across various operating temperatures.

Where Is LL575343-LL575310 Bearing Used?
You’ll often find LL575343-LL575310 Bearing in agricultural machinery, such as tractors and harvesters, where its strength and reliability are crucial. The inch measurements make it compatible with many North American equipment standards.

In wind turbines, LL575343-LL575310 Bearing handles high radial loads while maintaining stability. Its steel cage and rollers ensure consistent performance even in variable weather conditions.

Built for Heavy-Duty Use: LL575343-LL575310 Bearing
LL575343-LL575310 Bearing excels in railway applications, supporting axle boxes with its robust design. The tapered rollers distribute loads evenly, reducing wear over time.

For marine equipment, LL575343-LL575310 Bearing’s corrosion-resistant materials make it suitable for harsh environments. Its dynamic load capacity ensures reliable operation in wave and tidal energy systems.

Automotive vs Aerospace: Applications of LL575343-LL575310 Bearing
In automotive settings, LL575343-LL575310 Bearing is trusted for heavy-duty truck wheel hubs, where its load capacity shines. The ABEC-1 rating balances precision and cost-effectiveness for these applications.

For aerospace ground support equipment, LL575343-LL575310 Bearing provides the necessary strength for cargo loaders and maintenance vehicles. Its temperature range covers most operational conditions without compromising performance.

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