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M270749A Single Cones (Imperial)
M270749A Single Cones (Imperial)

M270749A Single Cones (Imperial)

The M270749A is a single-row tapered roller bearing cone with a 17.625-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 693,000 lbf and static loads up to 1,330,000 lbf.

Its open design allows for easy maintenance, while the steel cage ensures reliable performance. The cone has a width of 4.75 inches and fits well in heavy-duty applications.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for industrial machinery or large equipment where high load capacity is needed.

It operates smoothly in temperatures from -30°C to 110°C and meets RoHS and REACH standards for safety and compliance.

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Product Parameters

  • Part Number M270749A
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number M270749A-M270710
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series M270700
  • Bore Dia 17.625"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 4.75"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.25"
  • Cone Frontface Backing Diameter 18.66"
  • Cone Backface Backing Diameter 19.06"
  • Cage Cone Frontface Clearance 0.26"
  • Cage Cone Backface Clearance 0.37"
  • Effective Center Location -0.32"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 693000 lbf
  • Static Radial Load 1330000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 180000 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 1210000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 102000 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 313000 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

How Is M270749A Bearing Engineered for Reliability?

M270749A Bearing features chrome steel rings and a steel cage, designed to handle combined loads with ease.
Its dynamic radial load capacity reaches 693,000 lbf, making it suitable for heavy-duty applications.

The tapered roller design ensures smooth operation and reduces friction under high stress.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

M270749A Bearing’s standard radial clearance options provide flexibility for different operational needs.
Its robust construction and precise tolerances contribute to long service life and reduced maintenance.

Application

Industrial Uses of M270749A Bearing
M270749A Bearing is commonly used in heavy machinery, such as mining equipment and construction vehicles, where its tapered roller design handles combined loads effectively. The open seal type allows for easy lubrication, extending its service life in demanding conditions.
In automotive applications, M270749A Bearing supports large axles and wheel hubs, providing stability under heavy radial and thrust loads. Its inch sizing makes it a preferred choice for American and British vehicle manufacturers.
For industrial conveyor systems, M270749A Bearing’s chrome steel construction ensures durability in high-load scenarios. The steel cage adds extra strength, making it reliable for continuous operation.

Where Is M270749A Bearing Used?
M270749A Bearing finds its place in agricultural machinery, particularly in tractors and harvesters, where its robust design withstands rough terrain. The standard radial clearance offers flexibility for various operational needs.
In railway applications, M270749A Bearing supports freight car axles, ensuring smooth movement under heavy loads. Its ABEC-1 rating provides sufficient precision for these demanding environments.

Built for Heavy-Duty Use: M270749A Bearing
M270749A Bearing excels in forestry equipment, such as log skidders, where its tapered rollers manage uneven loads effortlessly. The chrome steel rings resist wear, even in abrasive conditions.
For oil and gas drilling rigs, M270749A Bearing’s high dynamic load capacity ensures reliable performance. The steel cage maintains roller alignment, crucial for long-term operation.

Automotive vs Aerospace: Applications of M270749A Bearing
In automotive settings, M270749A Bearing is ideal for heavy-duty trucks, handling both radial and thrust loads with ease. Its inch measurements align with standard US automotive components.
For aerospace ground support equipment, M270749A Bearing provides the necessary strength for loading platforms. The temperature range suits various operational climates.

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