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TS (Single Row Tapered Roller Bearings) (Imperial) LM12749-LM12710

TS (Single Row Tapered Roller Bearings) (Imperial) LM12749-LM12710

The LM12749-LM12710 is a single-row tapered roller bearing with a 0.8656″ bore and 1.781″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 8680 lbf radially and 1180 lbf in 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, suitable for demanding environments.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing just 0.3 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number LM12749-LM12710
  • Brand TFL
  • Interchangeable Timken
  • Size 0.8656" x 1.781" x 0.61"
  • Bore Dia 0.8656"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 1.781"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.655"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.475"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.61"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.050"
  • Cup Backface ToClear Radius 0.050"
  • Cone Frontface Backing Diameter 1.02"
  • Cone Backface Backing Diameter 1.08"
  • Cup Frontface Backing Diameter 1.67"
  • Cup Backface Backing Diameter 1.56"
  • Cage Cone Frontface Clearance 0.04"
  • Cage Cone Backface Clearance 0.01"
  • Effective Center Location -0.21"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number LM12749
  • Cup Part Number LM12710
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LM12700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 8680 lbf
  • Static Radial Load 7930 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 2250 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 1180 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 0.3 lb

Features

Performance Features of LM12749-LM12710 Bearing

LM12749-LM12710 Bearing is crafted for combined load applications, with a dynamic radial load capacity of 8680 lbf.
Its chrome steel construction ensures durability and resistance to wear in demanding conditions.

The tapered roller design provides smooth operation and efficient load distribution.
With a standard radial clearance, it offers reliable performance across various applications.

LM12749-LM12710 Bearing operates within a temperature range of -30° to 110°C, suitable for diverse environments.
Its steel cage maintains roller alignment, enhancing longevity and reducing maintenance needs.

The open seal type allows for easy lubrication, ensuring consistent performance.
This bearing is interchangeable with Timken models, providing flexibility in replacement options.

Application

Common Applications of LM12749-LM12710 Bearing
In industrial settings, LM12749-LM12710 Bearing is often used in conveyor systems and gearboxes, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in demanding environments.

For automotive applications, LM12749-LM12710 Bearing fits well in wheel hubs and differentials, providing reliable performance under varying loads. Its imperial sizing makes it compatible with many North American vehicle models.

In heavy machinery, LM12749-LM12710 Bearing supports axial and radial loads in equipment like agricultural tractors. The open design allows for easy lubrication, extending service life in dusty conditions.

Where Is LM12749-LM12710 Bearing Used?
LM12749-LM12710 Bearing can be found in construction equipment, particularly in excavator swing mechanisms. Its robust design handles the high stresses typical in such applications.

The bearing also works well in mining machinery, where its tapered rollers manage heavy radial and thrust loads. The steel cage adds extra strength for prolonged use in harsh conditions.

In material handling systems, LM12749-LM12710 Bearing ensures smooth operation of pulley assemblies. The standard radial clearance offers a good balance between performance and ease of installation.

Built for Heavy-Duty Use: LM12749-LM12710 Bearing
LM12749-LM12710 Bearing performs reliably in forestry equipment like log splitters. The combined load capacity makes it suitable for these demanding applications.

You’ll often see LM12749-LM12710 Bearing in railway axle boxes, where its tapered roller design accommodates both radial and thrust forces. The ABEC-1 rating provides sufficient precision for most rail applications.

For power transmission systems, LM12749-LM12710 Bearing offers stable performance in gear reducers. The chrome steel components resist wear even under continuous operation.

Automotive vs Industrial: Applications of LM12749-LM12710 Bearing
In automotive use, LM12749-LM12710 Bearing typically supports truck wheel ends, handling both vehicle weight and cornering forces. The imperial measurements suit many classic American truck designs.

For industrial applications, LM12749-LM12710 Bearing works well in pump systems, particularly those handling viscous fluids. The tapered rollers maintain alignment under varying pressure conditions.

The bearing also finds use in wind turbine yaw systems, where its durability helps maintain positioning accuracy. The temperature range suits most outdoor operating conditions.

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