TS (Single Row Tapered Roller Bearings) (Imperial) 6376-6321

The 6376-6321 is a single-row tapered roller bearing with a 2.375″ bore and 5.1875″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 72300 lbf radially and 10400 lbf thrust, making it robust for heavy-duty use.

Its open design allows easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

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

Weighing 7.8 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards for safe and sustainable use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 6376-6321
Brand TFL
Interchangeable Timken
Size 2.375" x 5.1875" x 2.125"
Bore Dia 2.375"
Bore Dia Tolerance +0.005" to 0
Outer Dia 5.1875"
Outer Dia Tolerance +0.001" to 0
Cone Width 2.205"
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 2.91"
Cone Backface Backing Diameter 3.19"
Cup Frontface Backing Diameter 4.96"
Cup Backface Backing Diameter 4.53"
Cage Cone Frontface Clearance 0.05"
Cage Cone Backface Clearance 0.13"
Effective Center Location -0.76"
System of Measurement Inch
Type Bearing
Cone Part Number 6376
Cup Part Number 6321
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 6300
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 72300 lbf
Static Radial Load 90900 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 18700 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 10400 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 7.8 lb

Features

Performance Features of 6376-6321 Bearing

6376-6321 Bearing is crafted with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 72,300 lbf, ensuring reliable performance in heavy-duty applications.

The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in varied environments.

Designed for easy lubrication, 6376-6321 Bearing simplifies maintenance and reduces downtime.
Its standard radial clearance options provide flexibility for different operational needs.

Application

Industrial Uses of 6376-6321 Bearing
The 6376-6321 Bearing is a reliable choice for heavy machinery, such as construction equipment and mining gear, where combined loads are common. Its tapered roller design ensures smooth operation even under demanding conditions.

Where Is 6376-6321 Bearing Used?
You’ll often find the 6376-6321 Bearing in agricultural machinery, like tractors and harvesters, thanks to its robust construction. It handles both radial and thrust loads effortlessly, making it versatile for fieldwork.

Built for Heavy-Duty Use: 6376-6321 Bearing
In industrial fans and pumps, the 6376-6321 Bearing stands out for its durability and precision. The chrome steel rollers and cage provide long-lasting performance in high-temperature environments.

Automotive vs Aerospace: Applications of 6376-6321 Bearing
While the 6376-6321 Bearing is common in truck wheel hubs, its precision also suits aerospace applications like landing gear systems. The inch sizing makes it compatible with many US-made vehicles and aircraft.

Perfect Fit for Automation: 6376-6321 Bearing
The 6376-6321 Bearing works well in automated conveyor systems, where consistent performance is key. Its open design allows for easy lubrication, reducing downtime in production lines.