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TS (Single Row Tapered Roller Bearings) (Imperial) 34306-34478

TS (Single Row Tapered Roller Bearings) (Imperial) 34306-34478

The 34306-34478 is a single-row tapered roller bearing with a 3.0625″ bore and 4.7812″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 27200 lbf radially and 5450 lbf thrust, making it a versatile choice.

Its open design allows for 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 heavy-duty applications like gearboxes or industrial machinery where combined loads are common.

Weighing just 2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice.

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Product Parameters

  • Part Number 34306-34478
  • 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 0.6875"
  • 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 3.58"
  • Cup Frontface Backing Diameter 4.60"
  • 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 34306
  • Cup Part Number 34478
  • 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 27200 lbf
  • Static Radial Load 30600 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 7060 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5450 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 34306-34478 Bearing

34306-34478 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 27,200 lbf, ensuring reliable performance in heavy-duty applications.

The tapered roller design distributes loads evenly, reducing stress and extending service life.
With a standard radial clearance, it provides smooth operation in various industrial settings.

34306-34478 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, enhancing durability and reducing maintenance needs.

Application

Common Applications of 34306-34478 Bearing
34306-34478 Bearing is widely used in industrial machinery, especially in heavy-duty equipment like conveyor systems and gearboxes. Its tapered roller design handles combined loads efficiently, making it suitable for demanding environments.

In automotive applications, 34306-34478 Bearing supports wheel hubs and differential systems, where its durability ensures reliable performance. The inch sizing makes it a preferred choice for American and British vehicle models.

For construction equipment, 34306-34478 Bearing’s chrome steel construction provides strength in load-bearing components like cranes and excavators. The steel cage enhances its longevity under tough working conditions.

Where Is 34306-34478 Bearing Used?
34306-34478 Bearing is commonly found in agricultural machinery, such as tractors and harvesters, where it handles high radial and thrust loads. Its open design allows for easy lubrication, extending service life.

In mining equipment, 34306-34478 Bearing’s robust construction withstands harsh conditions, ensuring smooth operation in crushers and drills. The standard radial clearance offers flexibility for various load requirements.

Built for Heavy-Duty Use: 34306-34478 Bearing
34306-34478 Bearing excels in railway applications, supporting axles and bogies with its tapered roller design. The chrome steel rollers provide excellent wear resistance, even under constant vibration.

For marine applications, 34306-34478 Bearing’s corrosion-resistant materials make it ideal for ship propulsion systems. Its ABEC-1 rating ensures reliable performance in moderate precision requirements.

Automotive vs Aerospace: Applications of 34306-34478 Bearing
In automotive systems, 34306-34478 Bearing is used in transmissions and drivetrains, where its combined load capacity is essential. The inch measurements align with standard automotive specifications.

For aerospace ground equipment, 34306-34478 Bearing supports landing gear and hydraulic systems. Its temperature range and durability make it suitable for both extreme and routine operations.

Q&A

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