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TS (Single Row Tapered Roller Bearings) (Imperial) LL660749A-LL660711

TS (Single Row Tapered Roller Bearings) (Imperial) LL660749A-LL660711

The LL660749A-LL660711 is a single-row tapered roller bearing with a 13.3125″ bore and 15.875″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 67700 lbf dynamically and 186000 lbf statically, making it robust for heavy-duty use.

Its open design allows easy lubrication, while the steel cage ensures reliable performance. 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 practical replacement option. Ideal for industrial machinery or heavy equipment where combined radial and thrust loads are common.

Weighing 16.8 lb, 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 LL660749A-LL660711
  • Brand TFL
  • Interchangeable Timken
  • Size 13.3125" x 15.875" x 1.3125"
  • Bore Dia 13.3125"
  • Bore Dia Tolerance +0.002" to 0
  • Outer Dia 15.875"
  • Outer Dia Tolerance +0.002" to 0
  • Cone Width 1.3125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.0625"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.3125"
  • Width Tolerance +0.015" to -0.015"
  • Cone Backface ToClear Radius 0.13"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 15.04"
  • Cone Backface Backing Diameter 13.9"
  • Cup Frontface Backing Diameter 15.53"
  • Cup Backface Backing Diameter 15.20"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location 1.31"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LL660749A
  • Cup Part Number LL660711
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LL660700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 67700 lbf
  • Static Radial Load 186000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 17600 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 12500 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 16.800 lb

Features

Performance Features of LL660749A-LL660711 Bearing

LL660749A-LL660711 Bearing is constructed with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 67,700 lbf, making it suitable for heavy-duty applications.

The single row tapered roller design ensures efficient load distribution, enhancing durability.
With a standard radial clearance, it provides reliable operation in various industrial settings.

LL660749A-LL660711 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
The steel cage maintains roller alignment, reducing friction and wear over time.

This bearing requires lubrication for optimal performance, extending its service life.
Its ABEC-1 rating guarantees consistent precision in demanding environments.

Application

Industrial Uses of LL660749A-LL660711 Bearing
LL660749A-LL660711 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.

Where Is LL660749A-LL660711 Bearing Used?
You’ll often find LL660749A-LL660711 Bearing in agricultural machinery, supporting components like gearboxes and axles. Its inch sizing makes it a reliable choice for North American equipment manufacturers.

Built for Heavy-Duty Use: LL660749A-LL660711 Bearing
LL660749A-LL660711 Bearing excels in industrial fans and pumps, where its open design allows for easy lubrication. The steel cage adds stability, making it suitable for high-load applications.

Automotive vs Aerospace: Applications of LL660749A-LL660711 Bearing
In automotive systems, LL660749A-LL660711 Bearing supports wheel hubs and drivetrains, while in aerospace, it’s used in landing gear assemblies. Its ABEC-1 rating ensures consistent performance across both sectors.

Perfect Fit for Automation: LL660749A-LL660711 Bearing
LL660749A-LL660711 Bearing is ideal for conveyor systems in automated warehouses, where its tapered rollers manage radial and thrust loads smoothly. The standard radial clearance offers flexibility in various setups.

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