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TS (Single Row Tapered Roller Bearings) (Imperial) LL639249-LL639210

TS (Single Row Tapered Roller Bearings) (Imperial) LL639249-LL639210

The LL639249-LL639210 is a single-row tapered roller bearing with a 7.75″ bore and 9.5″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 38800 lbf radially and 7190 lbf in thrust, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. 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 or automotive systems where combined loads are common.

Weighing 4.6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for diverse environments.

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Product Parameters

  • Part Number LL639249-LL639210
  • Brand TFL
  • Interchangeable Timken
  • Size 7.75" x 9.5" x 0.9375"
  • Bore Dia 7.75"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 9.5"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.9062"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.6875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.9375"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 8.98"
  • Cone Backface Backing Diameter 8.07"
  • Cup Frontface Backing Diameter 9.31"
  • Cup Backface Backing Diameter 9.13"
  • Cage Cone Frontface Clearance 0.14"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location 0.69"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LL639249
  • Cup Part Number LL639210
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LL639200
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 38800 lbf
  • Static Radial Load 76300 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 10100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 7190 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 4.6 lb

Features

Performance Features of LL639249-LL639210 Bearing

LL639249-LL639210 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 38,800 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing friction.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is LL639249-LL639210 Bearing Engineered for Reliability?

LL639249-LL639210 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent wear resistance, extending its service life.
Its standard radial clearance allows for smooth operation in diverse industrial settings.
With an ABEC-1 rating, it balances precision and cost-effectiveness.

Built for Durability: LL639249-LL639210 Bearing

LL639249-LL639210 Bearing’s robust design includes a steel cage for consistent roller positioning.
It handles static radial loads up to 76,300 lbf, ensuring reliability in demanding environments.
The tapered roller design distributes loads evenly, reducing stress on individual components.
Its inch measurements make it compatible with imperial system machinery.

Application

Industrial Uses of LL639249-LL639210 Bearing
LL639249-LL639210 Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In the automotive sector, LL639249-LL639210 Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high radial and thrust loads. Its inch sizing makes it a preferred choice for North American vehicle models.

For industrial conveyor systems, LL639249-LL639210 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The standard radial clearance offers flexibility for various load conditions.

Where Is LL639249-LL639210 Bearing Used?
You’ll often find LL639249-LL639210 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design withstands rough terrain and heavy loads. The steel cage adds extra strength for long-term use.

In railway applications, LL639249-LL639210 Bearing supports axle boxes, ensuring smooth and stable movement under dynamic loads. Its ABEC-1 rating provides a good balance of precision and cost-effectiveness.

Built for Heavy-Duty Use: LL639249-LL639210 Bearing
LL639249-LL639210 Bearing excels in forestry equipment like log loaders, where its tapered rollers manage both radial and axial forces efficiently. The standard lubrication requirement simplifies maintenance.

For oil and gas machinery, LL639249-LL639210 Bearing’s temperature range (-30° to 110°C) makes it suitable for both extreme cold and moderate heat conditions. The chrome steel rollers resist wear in high-friction scenarios.

Automotive vs Aerospace: Applications of LL639249-LL639210 Bearing
In automotive applications, LL639249-LL639210 Bearing is ideal for heavy-duty trucks, offering reliable performance in wheel hubs. Its inch sizing aligns with imperial system standards.

For aerospace ground support equipment, LL639249-LL639210 Bearing provides sturdy load handling in aircraft tugs and cargo loaders. The open design allows for quick inspections and lubrication.

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