TS (Single Row Tapered Roller Bearings) (Imperial) 34300-34479

The 34300-34479 is a single-row tapered roller bearing with a 3″ bore and 4.7812″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 23000 lbf radially and 4600 lbf thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for demanding environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy-duty machinery, gearboxes, or industrial equipment where combined loads are common.

Weighing 2.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, ensuring safe and eco-friendly use.

The tapered roller design provides effective load distribution, enhancing longevity. Its standard radial clearance (also available in C3/C4/C5) allows flexibility in different setups.

Perfect for applications requiring precise alignment and high load capacity, such as automotive or construction machinery. The ABEC-1 rating ensures reliable performance for general industrial use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 34300-34479
Brand TFL
Interchangeable Timken
Size 3" x 4.7812" x 0.9688"
Bore Dia 3"
Bore Dia Tolerance +0.005" to 0
Outer Dia 4.7812"
Outer Dia Tolerance +0.001" to 0
Cone Width 0.906"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.86"
Cup Width Tolerance +0.002" to -0.01
Width 0.9688"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.080"
Cup Backface ToClear Radius 0.08"
Cone Frontface Backing Diameter 4.02"
Cone Backface Backing Diameter 3.39"
Cup Frontface Backing Diameter 4.61"
Cup Backface Backing Diameter 4.33"
Cage Cone Frontface Clearance 0.1"
Cage Cone Backface Clearance 0.09"
Effective Center Location 0.06"
System of Measurement Inch
Type Bearing
Cone Part Number 34300
Cup Part Number 34479
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 34000
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 23000 lbf
Static Radial Load 30600 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 5960 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4600 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 2.2 lb

Features

Performance Features of 34300-34479 Bearing

34300-34479 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 23,000 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

Why Choose 34300-34479 Bearing for Precision Tasks?

34300-34479 Bearing features precise tolerances, with bore diameter tolerance of +0.005″ to 0.
Its tapered roller design ensures smooth operation under both radial and thrust loads.
The standard radial clearance allows for flexibility in different applications.
With ABEC-1 rating, it balances precision and durability for industrial use.

Engineered for Reliability: 34300-34479 Bearing

34300-34479 Bearing’s single-row construction provides stability under heavy loads.
The chrome steel rollers enhance wear resistance, ensuring long service life.
Its effective center location of 0.06″ optimises load distribution.
Lubrication is required to maintain smooth operation and reduce maintenance needs.

Steel vs Ceramic Bearings: Strengths of 34300-34479 Bearing

34300-34479 Bearing uses chrome steel for both rings and rollers, offering excellent durability.
The steel cage provides robust support, maintaining roller alignment under stress.
With a static radial load of 30,600 lbf, it handles heavy-duty applications effectively.
Its standard radial clearance ensures compatibility with various industrial setups.

Application

Industrial Uses of 34300-34479 Bearing
The 34300-34479 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

Where Is 34300-34479 Bearing Used?
You’ll often find the 34300-34479 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for North American vehicle models.

Built for Heavy-Duty Use: 34300-34479 Bearing
The 34300-34479 Bearing excels in industrial fans and conveyor systems, thanks to its robust steel cage and standard radial clearance. It’s a practical option for high-load scenarios.

Automotive vs Aerospace: Applications of 34300-34479 Bearing
In automotive settings, the 34300-34479 Bearing supports wheel assemblies, while in aerospace, it’s used in auxiliary systems. Its ABEC-1 rating ensures consistent performance across both fields.

Practical Applications of 34300-34479 Bearing
For machinery like pumps and compressors, the 34300-34479 Bearing offers reliable load handling. Its open design simplifies maintenance, making it a favourite in industrial settings.