TS (Single Row Tapered Roller Bearings) (Imperial) 34304-34479

The 34304-34479 is a single-row tapered roller bearing with a 3.0455″ 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 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, gearboxes, or automotive systems where combined loads are common.

Weighing 2.1 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Description

Features

Application

Q&A

Product Parameters

Part Number 34304-34479
Brand TFL
Interchangeable Timken
Size 3.0455" x 4.7812" x 0.9688"
Bore Dia 3.0455"
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 0.14"
Cup Backface ToClear Radius 0.08"
Cone Frontface Backing Diameter 4.06"
Cone Backface Backing Diameter 3.54"
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 34304
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 2.1 lb

Features

Performance Features of 34304-34479 Bearing

34304-34479 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 tapered roller design distributes loads evenly, reducing stress and extending service life.
With a standard radial clearance, it provides smooth operation and easy installation.

34304-34479 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage keeps the rollers aligned, minimising wear and maintenance needs.

The bearing’s ABEC-1 rating ensures consistent precision for various applications.
Its open design allows for easy lubrication, enhancing long-term reliability.

Application

Industrial Uses of 34304-34479 Bearing
You’ll often spot 34304-34479 Bearing in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effortlessly. The chrome steel construction gives it lasting durability in tough working conditions.

In automotive applications, 34304-34479 Bearing works well in wheel hubs and differential systems, thanks to its precise imperial measurements. The open design allows for easy lubrication, keeping things running smoothly mile after mile.

For industrial conveyor systems, 34304-34479 Bearing’s standard radial clearance provides reliable performance under constant loads. Its steel cage maintains roller alignment even during prolonged operation periods.

What Makes 34304-34479 Bearing a Preferred Choice?
Farm equipment manufacturers frequently choose 34304-34479 Bearing for tractor transmissions due to its ABEC-1 precision rating. The inch sizing makes it compatible with North American machinery specifications.

In mining operations, 34304-34479 Bearing stands up well to dusty environments while maintaining its load capacity. The temperature range suits both underground and surface equipment needs.

Built for Heavy-Duty Use: 34304-34479 Bearing
Railway maintenance vehicles benefit from 34304-34479 Bearing’s ability to handle shock loads during track work. The tapered rollers distribute forces evenly across contact surfaces.

When repairing vintage American machinery, mechanics appreciate 34304-34479 Bearing’s Timken interchangeability. It’s a straightforward replacement that keeps older equipment running without modifications.

Light-Duty vs Heavy-Duty: Best Uses for 34304-34479 Bearing
For light industrial fans, 34304-34479 Bearing offers sufficient load capacity with standard lubrication intervals. The chrome steel components resist wear in continuous operation scenarios.

In heavier applications like hydraulic pumps, 34304-34479 Bearing’s dynamic radial load rating ensures reliable performance. The steel cage prevents roller skewing during high-pressure cycles.