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TS (Single Row Tapered Roller Bearings) (Imperial) LL428349-LL428310

TS (Single Row Tapered Roller Bearings) (Imperial) LL428349-LL428310

The LL428349-LL428310 is a single-row tapered roller bearing with a 5.5″ bore and 7.125″ outer diameter, crafted from sturdy chrome steel. It supports combined loads, handling up to 25500 lbf dynamically and 47400 lbf statically.

Its open design and steel cage ensure durability, while the tapered rollers provide smooth rotation. The bearing operates efficiently in temperatures from -30°C to 110°C, requiring regular lubrication.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Weighing 2.9 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets essential safety and environmental requirements.

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Product Parameters

  • Part Number LL428349-LL428310
  • Brand TFL
  • Interchangeable Timken
  • Size 5.5" x 7.125" x 0.8438"
  • Bore Dia 5.5"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 7.125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.8125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.6563"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8438"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 6.69"
  • Cone Backface Backing Diameter 5.83"
  • Cup Frontface Backing Diameter 6.93"
  • Cup Backface Backing Diameter 6.77"
  • Cage Cone Frontface Clearance 0.11"
  • Cage Cone Backface Clearance 0.02"
  • Effective Center Location 0.31"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LL428349
  • Cup Part Number LL428310
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LL428300
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 25500 lbf
  • Static Radial Load 47400 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 6600 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4130 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 2.9 lb

Features

Performance Features of LL428349-LL428310 Bearing

LL428349-LL428310 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 25,500 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 environments.

LL428349-LL428310 Bearing requires lubrication, ensuring smooth operation and minimal wear over time.
Its standard radial clearance options provide flexibility for different installation needs.

Application

Industrial Uses of LL428349-LL428310 Bearing
LL428349-LL428310 Bearing is commonly used in heavy machinery, such as construction equipment and mining rigs, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, LL428349-LL428310 Bearing fits well in wheel hubs and drivetrains, providing reliable performance under varying loads. Its inch sizing makes it a convenient choice for American and British vehicle models.

For industrial conveyor systems, LL428349-LL428310 Bearing’s open design allows for easy lubrication, extending its service life. The steel cage adds stability, making it suitable for high-load scenarios.

What Makes LL428349-LL428310 Bearing a Preferred Choice?
LL428349-LL428310 Bearing stands out in agricultural machinery, where its tapered rollers manage both radial and thrust loads efficiently. The standard radial clearance ensures smooth operation in diverse environments.

In material handling equipment, LL428349-LL428310 Bearing’s robust design reduces downtime, thanks to its high dynamic load capacity. The ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: LL428349-LL428310 Bearing
LL428349-LL428310 Bearing excels in forestry equipment, where its combined load capability handles rough terrain. The chrome steel rollers resist wear, maintaining performance over time.

For railway applications, LL428349-LL428310 Bearing’s inch dimensions and standard clearance make it compatible with many freight and passenger car designs. Its static radial load capacity ensures reliability under heavy weights.

Light-Duty vs Heavy-Duty: Best Uses for LL428349-LL428310 Bearing
In light-duty applications like small industrial motors, LL428349-LL428310 Bearing provides sufficient load capacity without unnecessary bulk. The steel cage keeps it lightweight yet durable.

For heavy-duty uses such as oil rig machinery, LL428349-LL428310 Bearing’s high static radial load rating makes it a dependable option. The tapered roller design distributes stress evenly, reducing wear.

Q&A

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