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TS (Single Row Tapered Roller Bearings) (Imperial) 6554-6520

TS (Single Row Tapered Roller Bearings) (Imperial) 6554-6520

The 6554-6520 is a single-row tapered roller bearing with a 3-inch bore and 6.687-inch outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 83,300 lbf radially and 14,800 lbf thrust, making it versatile for heavy-duty use.

Its open design simplifies lubrication, while the steel cage ensures durability under high stress. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a reliable replacement option. It suits applications like truck axles or industrial gearboxes where robust performance is needed.

Weighing 14.6 lb, it balances strength with manageable size. Compliant with RoHS and REACH standards, it’s a practical choice for various engineering needs.

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Product Parameters

  • Part Number 6554-6520
  • Brand TFL
  • Interchangeable Timken
  • Size 3" x 6.687" x 2.4687"
  • Bore Dia 3"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 6.687"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 2.513"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.75"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2.4687"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.41"
  • Cone Backface Backing Diameter 3.9"
  • Cup Frontface Backing Diameter 6.14"
  • Cup Backface Backing Diameter 5.71"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.49"
  • Effective Center Location -0.86"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 6554
  • Cup Part Number 6520
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 6500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 83300 lbf
  • Static Radial Load 118000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 21600 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 14800 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 14.6 lb

Features

Performance Features of 6554-6520 Bearing

6554-6520 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 83,300 lbf, making it suitable for heavy-duty applications.

The tapered roller design ensures smooth operation and efficient load distribution.
With a standard radial clearance, it provides reliable performance in various industrial settings.

6554-6520 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
The steel cage maintains roller alignment, reducing wear and extending service life.

This bearing requires lubrication but is designed for easy maintenance.
Its ABEC-1 rating ensures consistent precision for general industrial use.

Application

Industrial Uses of 6554-6520 Bearing
The 6554-6520 Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 6554-6520 Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high radial and thrust loads. The imperial sizing makes it a convenient choice for North American vehicle models.

For industrial fans and pumps, 6554-6520 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds stability, reducing wear over time.

Where Is 6554-6520 Bearing Used?
You’ll often find 6554-6520 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design handles uneven loads. The standard radial clearance ensures smooth rotation even under stress.

In material handling systems, 6554-6520 Bearing supports conveyor rollers, thanks to its high dynamic load capacity. The ABEC-1 rating balances precision and cost-effectiveness for these applications.

Built for Heavy-Duty Use: 6554-6520 Bearing
The 6554-6520 Bearing excels in forestry equipment like log splitters, where its tapered rollers manage intense shock loads. Its temperature range (-30° to 110°C) suits outdoor operations in varying climates.

For railway applications, 6554-6520 Bearing’s static radial load capacity makes it ideal for axle boxes. The steel cage and chrome steel rollers ensure long-term reliability under constant vibration.

Automotive vs Aerospace: Applications of 6554-6520 Bearing
In automotive settings, 6554-6520 Bearing is trusted for heavy-duty truck transmissions, where its thrust handling prevents premature wear. The inch measurements simplify replacements in older vehicle systems.

While not typical for aerospace, 6554-6520 Bearing occasionally appears in ground support equipment like tow tractors. Its weight (14.6 lb) is manageable for these industrial-grade applications.

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