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TS (Single Row Tapered Roller Bearings) (Imperial) 6576-6521

TS (Single Row Tapered Roller Bearings) (Imperial) 6576-6521

The 6576-6521 is a single-row tapered roller bearing with a 3″ bore and 6.3125″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 98800 lbf radially and 17600 lbf in thrust, making it a robust choice for heavy-duty applications.

Its open design allows for easy 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. Ideal for use in industrial machinery, gearboxes, or automotive systems where combined loads are common.

Weighing 11.7 lb, it’s designed for long-lasting performance with standard radial clearance. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 6576-6521
  • Brand TFL
  • Interchangeable Timken
  • Size 3" x 6.3125" x 2.125"
  • Bore Dia 3"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 6.3125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 2.1693"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.75"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2.125"
  • 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 6.08"
  • Cup Backface Backing Diameter 5.55"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.15"
  • Effective Center Location -0.52"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 6576
  • Cup Part Number 6521
  • 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 98800 lbf
  • Static Radial Load 118000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 25600 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 17600 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 11.7 lb

Features

Why Choose 6576-6521 Bearing for Precision Tasks?

6576-6521 Bearing is crafted with chrome steel rings and rollers, ensuring durability and precision in combined load applications.
Its dynamic radial load capacity reaches 98,800 lbf, making it suitable for heavy-duty operations.

The tapered roller design of 6576-6521 Bearing provides effective load distribution, reducing wear over time.
With a standard radial clearance, it offers reliable performance across various industrial uses.

6576-6521 Bearing operates efficiently within a temperature range of -30° to 110°C, ensuring versatility.
Its steel cage maintains roller alignment, contributing to smooth and consistent operation.

The open design of 6576-6521 Bearing simplifies lubrication, enhancing maintenance convenience.
Weighing just 11.7 lb, it balances strength and ease of handling.

Application

Industrial Uses of 6576-6521 Bearing
6576-6521 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, 6576-6521 Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial fans and pumps, 6576-6521 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds stability during high-speed rotations.

Where Is 6576-6521 Bearing Used?
6576-6521 Bearing finds its place in agricultural machinery, such as tractors and harvesters, where its robust design withstands rough conditions. The standard radial clearance offers flexibility in different setups.

In material handling systems, 6576-6521 Bearing ensures smooth operation of conveyor belts and lifting mechanisms. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 6576-6521 Bearing
6576-6521 Bearing is ideal for mining equipment, where its high dynamic load capacity handles extreme stresses. The tapered rollers distribute loads evenly, reducing wear over time.

In forestry machinery, 6576-6521 Bearing’s temperature tolerance ensures reliability in harsh outdoor conditions. The steel cage and chrome steel rollers provide long-lasting performance.

Automotive vs Aerospace: Applications of 6576-6521 Bearing
In automotive drivetrains, 6576-6521 Bearing supports gearboxes and axles, offering a balance of strength and precision. Its inch measurements align with many US-made components.

For aerospace ground equipment, 6576-6521 Bearing’s standard radial clearance and ABEC-1 rating suit auxiliary systems like cargo loaders. The open design simplifies maintenance in frequent-use scenarios.

Q&A

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