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TS (Single Row Tapered Roller Bearings) (Imperial) 34274-34479

TS (Single Row Tapered Roller Bearings) (Imperial) 34274-34479

The 34274-34479 is a single-row tapered roller bearing with a 2.754″ 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. 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 or automotive systems where combined loads are common.

Weighing 2.5 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

The standard radial clearance (with options for C3/C4/C5) provides flexibility for different setups. Its ABEC-1 rating ensures consistent performance for general industrial use.

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Product Parameters

  • Part Number 34274-34479
  • Brand TFL
  • Interchangeable Timken
  • Size 2.754" x 4.7812" x 0.9688"
  • Bore Dia 2.754"
  • 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 3.74"
  • Cone Backface Backing Diameter 3.19"
  • 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 34274
  • 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 2.5 lb

Features

Performance Features of 34274-34479 Bearing

34274-34479 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 heavy-duty applications.

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 environmental conditions.

Designed for easy lubrication, 34274-34479 Bearing simplifies maintenance and reduces downtime.
Its standard radial clearance options provide flexibility for different operational needs.

Application

Industrial Uses of 34274-34479 Bearing
This bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 34274-34479 Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. Its inch sizing makes it a straightforward replacement for Timken equivalents in many vehicles.

For industrial conveyor systems, 34274-34479 Bearing’s open design allows easy lubrication, extending service life in high-load scenarios. The standard radial clearance offers flexibility for various operational needs.

Where Is 34274-34479 Bearing Used?
You’ll often find this bearing in mining equipment, where its robust design handles heavy radial and axial loads. The steel cage adds extra strength for demanding environments.

In wind turbines, 34274-34479 Bearing supports rotor shafts, thanks to its ability to manage combined loads. The ABEC-1 rating ensures consistent performance even in variable weather conditions.

Built for Heavy-Duty Use: 34274-34479 Bearing
This bearing excels in forestry machinery, where its tapered rollers distribute loads evenly. The chrome steel rollers resist wear, making it a reliable choice for long-term use.

In material handling systems, 34274-34479 Bearing’s standard radial clearance adapts to shifting loads. Its open design simplifies maintenance, reducing downtime in busy operations.

Automotive vs Aerospace: Applications of 34274-34479 Bearing
In trucks, this bearing handles wheel loads reliably, while in aircraft landing gear, its combined load capacity is equally valuable. The inch sizing ensures compatibility with many imperial-system designs.

For industrial pumps, 34274-34479 Bearing’s temperature range suits both hot and cold environments. The dynamic thrust rating makes it a practical pick for high-speed rotations.

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