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TS (Single Row Tapered Roller Bearings) (Imperial) LL575349-LL575310

TS (Single Row Tapered Roller Bearings) (Imperial) LL575349-LL575310

The LL575349-LL575310 is a single-row tapered roller bearing with a 21.25″ bore and 25″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 201,000 lbf radially and 36,100 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 large equipment where combined loads are common.

Weighing 55.3 lb, it’s robust and built to last. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number LL575349-LL575310
  • Brand TFL
  • Interchangeable Timken
  • Size 21.25" x 25" x 2"
  • Bore Dia 21.25"
  • 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 26.69"
  • Cone Backface Backing Diameter 22.2"
  • 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 LL575349
  • 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 55.3 lb

Features

Performance Features of LL575349-LL575310 Bearing

LL575349-LL575310 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 201,000 lbf, ensuring reliable performance in heavy-duty applications.

The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.

LL575349-LL575310 Bearing’s standard radial clearance allows for smooth operation under different load conditions.
Its ABEC-1 rating ensures consistent precision for industrial applications.

The open seal design simplifies maintenance while providing adequate protection against contaminants.
Weighing 55.3 lb, it balances durability and ease of handling in large-scale machinery.

Application

Industrial Uses of LL575349-LL575310 Bearing
LL575349-LL575310 Bearing is commonly used in heavy machinery like mining equipment and construction vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In the railway industry, LL575349-LL575310 Bearing supports axle systems, providing reliable performance under high radial and thrust loads. Its inch sizing makes it compatible with many North American rail components.

For agricultural machinery, LL575349-LL575310 Bearing’s robust design withstands the harsh conditions of tractors and harvesters. The open seal type allows for easy lubrication, extending service life in dusty fields.

What Makes LL575349-LL575310 Bearing a Preferred Choice?
LL575349-LL575310 Bearing is often chosen for wind turbine applications, where its high dynamic load capacity ensures smooth rotation. The steel cage adds stability during long operational periods.

In steel mills, LL575349-LL575310 Bearing handles extreme temperatures and heavy loads with consistent performance. Its standard radial clearance makes it adaptable to various industrial settings.

Built for Heavy-Duty Use: LL575349-LL575310 Bearing
LL575349-LL575310 Bearing is ideal for oil rig equipment, where its tapered rollers manage both radial and axial stresses. The chrome steel rollers resist wear in corrosive environments.

For paper manufacturing machines, LL575349-LL575310 Bearing’s precise tolerances ensure smooth operation at high speeds. The open design simplifies maintenance in humid conditions.

Automotive vs Aerospace: Applications of LL575349-LL575310 Bearing
In truck wheel hubs, LL575349-LL575310 Bearing provides reliable support for heavy loads over long distances. Its ABEC-1 rating balances precision and cost-effectiveness for commercial vehicles.

For aircraft landing gear components, LL575349-LL575310 Bearing’s high static load capacity offers safety under extreme pressure. The temperature range suits both ground and flight conditions.

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