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

The 6576C-6521 is a single-row tapered roller bearing with a 3-inch bore and 6.3125-inch outer diameter, built from sturdy chrome steel. It handles combined loads up to 98800 lbf radially and 17600 lbf 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 11.6 lb, it’s built to last while meeting RoHS and REACH standards for safe and compliant use. The standard radial clearance ensures easy installation and maintenance.

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Description

Features

Application

Q&A

Product Parameters

Part Number 6576C-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 4.45"
Cone Backface Backing Diameter 3.98"
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 6576C
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 11.6 lb

Features

How Is 6576C-6521 Bearing Engineered for Reliability?

6576C-6521 Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 98,800 lbf, making it suitable for heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a standard radial clearance, it offers reliable performance across various conditions.

What Makes 6576C-6521 Bearing Suitable for High-Temperature Applications?

6576C-6521 Bearing operates effectively in temperatures ranging from -30° to 110°C, maintaining consistent performance.
The chrome steel construction resists thermal expansion, ensuring stability in demanding environments.
Its open design allows for easy lubrication, further enhancing high-temperature resilience.
This makes it a dependable choice for industrial applications with varying thermal conditions.

Designed for Durability: 6576C-6521 Bearing

6576C-6521 Bearing is built with precision to handle both radial and thrust loads efficiently.
The tapered roller design distributes loads evenly, reducing stress on individual components.
Its robust construction ensures long service life, even in rigorous operating conditions.
The standard ABEC-1 rating guarantees consistent quality and performance.

Application

Industrial Uses of 6576C-6521 Bearing
The 6576C-6521 Bearing is commonly used in heavy machinery like construction equipment and mining gear, where its tapered roller design handles combined loads efficiently.
Its chrome steel construction ensures durability even in tough environments, making it a reliable choice for industrial applications.

Where Is 6576C-6521 Bearing Used?
You’ll often find the 6576C-6521 Bearing in automotive drivetrains, particularly in wheel hubs and differentials, where its high load capacity is essential.
The imperial sizing makes it a perfect fit for North American vehicle models, ensuring easy compatibility.

Built for Heavy-Duty Use: 6576C-6521 Bearing
In agricultural machinery, the 6576C-6521 Bearing excels in supporting heavy loads, such as in tractor axles and harvesters.
Its open design allows for straightforward lubrication, which is crucial for maintaining performance in dusty conditions.

Automotive vs Aerospace: Applications of 6576C-6521 Bearing
While the 6576C-6521 Bearing is a staple in truck transmissions, its precision also suits aerospace landing gear components.
The bearing’s ability to handle both radial and thrust loads makes it versatile across different industries.

Key Fields for 6576C-6521 Bearing
The 6576C-6521 Bearing is ideal for railway applications, particularly in axle boxes where reliability is paramount.
Its standard radial clearance options ensure smooth operation even under varying thermal conditions.