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TS (Single Row Tapered Roller Bearings) (Imperial) LL789749-LL789710

TS (Single Row Tapered Roller Bearings) (Imperial) LL789749-LL789710

The LL789749-LL789710 is a single-row tapered roller bearing with a 66.5″ bore and 72.625″ outer diameter, built from sturdy chrome steel. It handles combined loads, with a dynamic radial load capacity of 473,000 lbf and a static radial load of 1,990,000 lbf.

Its pin-type cage design ensures smooth operation, while the open seal allows for easy lubrication. The bearing works in temperatures from -30°C to 110°C, making it suitable for demanding environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy machinery or industrial equipment where high radial and thrust loads are common.

Weighing 392.20 lb, it’s a robust choice for large-scale applications. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number LL789749-LL789710
  • Brand TFL
  • Interchangeable Timken
  • Size 66.5" x 72.625" x 2.6875"
  • Bore Dia 66.5"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 72.625"
  • Outer Dia Tolerance +0.005" to 0
  • Cone Width 2.6875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.6875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2.6875"
  • Width Tolerance +0.015" to -0.015"
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.250"
  • Cone Frontface Backing Diameter 67.32"
  • Cone Backface Backing Diameter 67.72"
  • Cup Frontface Backing Diameter 77.40"
  • Cup Backface Backing Diameter 71.06"
  • Cage Cone Frontface Clearance 0"
  • Cage Cone Backface Clearance 0"
  • Effective Center Location 9.62"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LL789749
  • Cup Part Number LL789710
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LL789700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Pin-Type
  • Dynamic Radial Load 473000 lbf
  • Static Radial Load 1990000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 123000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 102000 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 392.20 lb

Features

Performance Features of LL789749-LL789710 Bearing

LL789749-LL789710 Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 473,000 lbf, making it suitable for heavy-duty applications.

The pin-type cage ensures proper roller alignment, reducing friction and wear.
With a standard radial clearance, it provides reliable operation in various conditions.

LL789749-LL789710 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its ABEC-1 rating ensures consistent performance for industrial applications.

The open design simplifies lubrication, ensuring smooth operation over time.
Weighing 392.20 lb, it is designed for durability in demanding environments.

Application

Industrial Uses of LL789749-LL789710 Bearing
LL789749-LL789710 Bearing is commonly used in heavy machinery, such as mining equipment and large-scale conveyors, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

In the automotive sector, LL789749-LL789710 Bearing supports large vehicle components like axles and differentials, providing reliable performance under heavy radial and thrust loads. Its inch sizing makes it compatible with many North American industrial applications.

For construction equipment, LL789749-LL789710 Bearing’s pin-type cage design enhances stability in cranes and bulldozers, where consistent load distribution is key. The standard radial clearance also allows for smooth operation in varying temperatures.

What Makes LL789749-LL789710 Bearing a Preferred Choice?
LL789749-LL789710 Bearing is ideal for wind turbine systems, where its high dynamic load capacity ensures long-term reliability. The open seal design simplifies lubrication maintenance in remote installations.

In railway applications, LL789749-LL789710 Bearing’s robust construction handles the intense vibrations and loads of freight cars. Its ABEC-1 rating balances precision and cost-effectiveness for these heavy-duty uses.

Built for Heavy-Duty Use: LL789749-LL789710 Bearing
LL789749-LL789710 Bearing excels in steel mills, where its tapered rollers manage extreme radial and axial forces. The chrome steel rollers resist wear even under continuous operation.

For agricultural machinery, LL789749-LL789710 Bearing’s large size and load capacity make it suitable for tractors and harvesters. The standard radial clearance adapts well to dusty field conditions.

Q&A

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