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

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

The 34300A-34479 is a single-row tapered roller bearing with a 3-inch bore and 4.7812-inch 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 2.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments. The standard radial clearance ensures easy installation and maintenance.

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Product Parameters

  • Part Number 34300A-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 4.06"
  • 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 34300A
  • 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 34300A-34479 Bearing

34300A-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 consistently in various environments.

How Is 34300A-34479 Bearing Engineered for Reliability?

34300A-34479 Bearing features a single-row tapered roller design, ideal for handling both radial and thrust loads.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its effective center location of 0.06″ enhances stability and load distribution.
Lubrication is required to maintain optimal performance over time.

Built for Durability: 34300A-34479 Bearing

34300A-34479 Bearing’s tapered roller design excels in heavy-duty applications, with a static radial load of 30,600 lbf.
The steel cage and chrome steel rollers work together to minimise wear and prolong service life.
It operates efficiently within a wide temperature range, making it versatile for different settings.
The ABEC-1 rating ensures dependable precision for industrial use.

Steel vs Ceramic Bearings: Strengths of 34300A-34479 Bearing

34300A-34479 Bearing uses chrome steel for both rings and rollers, balancing strength and cost-effectiveness.
Its dynamic thrust rating of 4,600 lbf makes it suitable for applications requiring combined load handling.
The standard radial clearance allows for smooth operation under varying conditions.
Weighing 2.2 lb, it offers a robust solution without excessive bulk.

Application

Common Applications of 34300A-34479 Bearing
The 34300A-34479 Bearing is widely used in industrial machinery, especially in heavy-duty equipment like gearboxes and conveyor systems. Its tapered roller design handles combined loads efficiently, making it suitable for high-stress environments.

In automotive applications, 34300A-34479 Bearing is often found in wheel hubs and differential systems. The chrome steel construction ensures durability, while the inch sizing fits seamlessly into American and British vehicle designs.

For automation systems, 34300A-34479 Bearing provides reliable performance in robotic arms and assembly lines. The open design allows for easy lubrication, extending its service life in continuous operation.

Where Is 34300A-34479 Bearing Used?
You’ll often spot 34300A-34479 Bearing in agricultural machinery, where its robust design handles rough conditions. The tapered rollers manage both radial and thrust loads, ideal for tractors and harvesters.

In construction equipment, 34300A-34479 Bearing supports components like cranes and excavators. Its steel cage and chrome steel rollers withstand heavy loads and frequent shocks.

Built for Heavy-Duty Use: 34300A-34479 Bearing
The 34300A-34479 Bearing excels in mining equipment, where reliability is critical. Its standard radial clearance and ABEC-1 rating ensure consistent performance under extreme conditions.

For railway applications, 34300A-34479 Bearing is a go-to choice for axle boxes. The inch measurements and compatibility with Timken designs make it easy to integrate into existing systems.

Automotive vs Aerospace: Applications of 34300A-34479 Bearing
In automotive settings, 34300A-34479 Bearing is trusted for drivetrain components due to its load capacity. The aerospace industry values its precision for auxiliary systems, though not for primary flight controls.

For industrial fans, 34300A-34479 Bearing offers smooth operation at moderate speeds. The open seal design simplifies maintenance, reducing downtime in production facilities.

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