TS (Single Row Tapered Roller Bearings) (Imperial) 34307-34479

The 34307-34479 is a single-row tapered roller bearing with a 3.0625″ bore and 4.7812″ outer diameter, crafted 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 for easy lubrication, while the steel cage ensures durability under heavy use. 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 industrial machinery or automotive systems where combined loads are common.

Weighing 2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 34307-34479
Brand TFL
Interchangeable Timken
Size 3.0625" x 4.7812" x 0.9688"
Bore Dia 3.0625"
Bore Dia Tolerance +0.001" 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 0.25"
Cup Backface ToClear Radius 0.08"
Cone Frontface Backing Diameter 4.06"
Cone Backface Backing Diameter 3.78"
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 34307
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 lb

Features

Performance Features of 34307-34479 Bearing

34307-34479 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 roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 34307-34479 Bearing Engineered for Reliability?

34307-34479 Bearing features a single-row tapered roller design, optimised for combined load applications.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 4,600 lbf makes it suitable for heavy-duty tasks.
The open design allows for easy lubrication, enhancing long-term performance.

Built for Durability: 34307-34479 Bearing

34307-34479 Bearing’s tapered roller design efficiently handles both radial and thrust loads.
The precise tolerances, within +0.001″ to 0, ensure consistent performance and easy installation.
With a static radial load capacity of 30,600 lbf, it excels in high-stress applications.
The steel cage and chrome steel rollers contribute to its extended service life.

Steel vs Ceramic Bearings: Strengths of 34307-34479 Bearing

34307-34479 Bearing uses chrome steel for both rollers and rings, balancing strength and cost-effectiveness.
Its dynamic radial rating of 5,960 lbf (C90) ensures reliable performance over millions of revolutions.
The standard radial clearance option provides flexibility for different applications.
Weighing just 2 lb, it offers a lightweight yet robust solution for industrial use.

Application

Industrial Uses of 34307-34479 Bearing
In heavy machinery like construction equipment, 34307-34479 Bearing handles combined loads with ease, thanks to its tapered roller design. The chrome steel construction ensures durability even in demanding environments.

Where Is 34307-34479 Bearing Used?
You’ll often find 34307-34479 Bearing in agricultural gearboxes, where its robust build withstands high radial and thrust loads. The inch sizing makes it a natural fit for North American machinery standards.

Built for Heavy-Duty Use: 34307-34479 Bearing
Truck wheel hubs frequently rely on 34307-34479 Bearing for smooth rotation under heavy loads. Its steel cage provides reliable support during long-haul operations.

Automotive vs Aerospace: Applications of 34307-34479 Bearing
In automotive drivetrains, 34307-34479 Bearing offers stable performance for differential systems. While not typically used in aerospace, its precision suits industrial pumps and compressors.

Essential Roles of 34307-34479 Bearing
Mining conveyors benefit from 34307-34479 Bearing’s ability to handle shock loads and misalignment. The open design simplifies lubrication in dusty conditions.