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TS (Single Row Tapered Roller Bearings) (Imperial) LM739749-LM739719

TS (Single Row Tapered Roller Bearings) (Imperial) LM739749-LM739719

The LM739749-LM739719 is a single-row tapered roller bearing with a 7.75″ bore and 10.5″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 71,600 lbf and is designed for long-lasting performance.

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, making it a reliable replacement option. Ideal for industrial machinery or heavy equipment where combined loads are common.

Weighing 13.70 lb, it’s built to withstand tough conditions while maintaining efficiency. Compliant with RoHS and REACH standards for safe and sustainable use.

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Product Parameters

  • Part Number LM739749-LM739719
  • Brand TFL
  • Interchangeable Timken
  • Size 7.75" x 10.5" x 1.5625"
  • Bore Dia 7.75"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 10.5"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.5625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.1875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.5625"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 9.06"
  • Cone Backface Backing Diameter 8.39"
  • Cup Frontface Backing Diameter 9.93"
  • Cup Backface Backing Diameter 9.57"
  • Cage Cone Frontface Clearance 0.12"
  • Cage Cone Backface Clearance 0.12"
  • Effective Center Location 0.45"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LM739749
  • Cup Part Number LM739719
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LM739700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 71600 lbf
  • Static Radial Load 161000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 18600 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 14200 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 13.70 lb

Features

Performance Features of LM739749-LM739719 Bearing

LM739749-LM739719 Bearing is crafted from chrome steel, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 71,600 lbf, making it suitable for heavy-duty applications.

The tapered roller design ensures efficient load distribution, reducing stress on individual components.
With a standard radial clearance, it provides reliable performance in various operating conditions.

LM739749-LM739719 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
The steel cage maintains roller alignment, enhancing durability and extending service life.

This bearing requires lubrication, which helps maintain smooth operation under high loads.
Its ABEC-1 rating ensures consistent performance for industrial applications.

Application

Industrial Uses of LM739749-LM739719 Bearing
LM739749-LM739719 Bearing is commonly used in heavy machinery, such as construction equipment and mining rigs, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, LM739749-LM739719 Bearing supports large vehicle components like axles and differentials, providing reliable performance under heavy radial and thrust loads. Its inch sizing makes it a preferred choice for American-made trucks and industrial vehicles.

For industrial fans and blowers, LM739749-LM739719 Bearing’s open design allows for easy lubrication, extending service life in high-speed operations. The steel cage adds stability, reducing wear during continuous use.

What Makes LM739749-LM739719 Bearing a Preferred Choice?
LM739749-LM739719 Bearing is ideal for agricultural machinery, such as tractors and harvesters, where its robust design withstands rough terrain and variable loads. The standard radial clearance offers flexibility for different operating conditions.

In material handling systems, LM739749-LM739719 Bearing ensures smooth operation for conveyor belts and lifting equipment. Its high dynamic load capacity makes it suitable for repetitive, heavy-duty tasks.

Built for Heavy-Duty Use: LM739749-LM739719 Bearing
LM739749-LM739719 Bearing excels in railway applications, supporting wheel sets and bogies with its tapered roller design. The chrome steel rollers provide consistent performance under extreme pressures.

For power generation equipment, LM739749-LM739719 Bearing’s ability to handle combined loads makes it a reliable choice for turbines and generators. The ABEC-1 rating ensures adequate precision for industrial-grade machinery.

Automotive vs Aerospace: Applications of LM739749-LM739719 Bearing
In automotive settings, LM739749-LM739719 Bearing is often found in heavy-duty trucks and buses, where its load capacity and durability are crucial. The inch measurements align well with standard vehicle designs.

For aerospace ground support equipment, LM739749-LM739719 Bearing provides stability in machinery like cargo loaders and tow tractors. Its temperature range ensures reliability in varying weather conditions.

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