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TS (Single Row Tapered Roller Bearings) (Imperial) LL319349-LL319310

TS (Single Row Tapered Roller Bearings) (Imperial) LL319349-LL319310

The LL319349-LL319310 is a single-row tapered roller bearing with a 3.75″ bore and 5.0625″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 14300 lbf radially and 2230 lbf thrust, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 1.2 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use. The ABEC-1 rating ensures consistent performance under standard conditions.

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Product Parameters

  • Part Number LL319349-LL319310
  • Brand TFL
  • Interchangeable Timken
  • Size 3.75" x 5.0625" x 0.625"
  • Bore Dia 3.75"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 5.0625"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.5938"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.4688"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.625"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 4.63"
  • Cone Backface Backing Diameter 4.06"
  • Cup Frontface Backing Diameter 4.89"
  • Cup Backface Backing Diameter 4.80"
  • Cage Cone Frontface Clearance 0.12"
  • Cage Cone Backface Clearance 0.01"
  • Effective Center Location 0.17"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LL319349
  • Cup Part Number LL319310
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LL319300
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 14300 lbf
  • Static Radial Load 22400 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 3700 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2230 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 1.2 lb

Features

How Is LL319349-LL319310 Bearing Engineered for Reliability?

LL319349-LL319310 Bearing is constructed with chrome steel rings and rollers, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 14,300 lbf, making it suitable for heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

What Makes LL319349-LL319310 Bearing Suitable for High-Temperature Applications?

LL319349-LL319310 Bearing operates efficiently in temperatures ranging from -30° to 110°C.
The chrome steel construction resists wear and maintains performance under thermal stress.
Its standard radial clearance options (C3/C4/C5) allow for flexibility in different conditions.
This bearing is ideal for applications requiring consistent performance in varying temperatures.

Designed for Durability: LL319349-LL319310 Bearing

LL319349-LL319310 Bearing features a single-row tapered roller design for combined load handling.
The chrome steel components enhance strength and resistance to wear over time.
With a static radial load capacity of 22,400 lbf, it ensures long-term reliability.
Its open seal type simplifies maintenance, reducing downtime and operational costs.

Application

Industrial Uses of LL319349-LL319310 Bearing
LL319349-LL319310 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in demanding environments.

In automotive applications, LL319349-LL319310 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it compatible with many American-made vehicles.

For industrial conveyors, LL319349-LL319310 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds stability during high-load scenarios.

Where Is LL319349-LL319310 Bearing Used?
LL319349-LL319310 Bearing is ideal for agricultural machinery, such as tractors and harvesters, where its robust design withstands dirt and debris. The standard radial clearance ensures smooth rotation even under uneven loads.

In mining equipment, LL319349-LL319310 Bearing’s high dynamic radial load capacity makes it suitable for crushers and screens. The ABEC-1 rating provides sufficient precision for most industrial applications.

Built for Heavy-Duty Use: LL319349-LL319310 Bearing
LL319349-LL319310 Bearing excels in forestry machinery, handling shocks and vibrations from rough terrain. Its tapered rollers distribute loads evenly, reducing wear over time.

For railway applications, LL319349-LL319310 Bearing’s temperature range (-30° to 110°C) ensures reliability in varying climates. The steel cage further enhances its resistance to mechanical stress.

Automotive vs Aerospace: Applications of LL319349-LL319310 Bearing
In automotive systems, LL319349-LL319310 Bearing is often found in drivetrains, offering a balance of strength and precision. Its inch measurements align with many US and UK vehicle standards.

For aerospace ground support equipment, LL319349-LL319310 Bearing provides dependable performance in load-handling devices. The chrome steel rollers ensure consistent operation under frequent use.

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