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TS (Single Row Tapered Roller Bearings) (Imperial) 34275-34478

TS (Single Row Tapered Roller Bearings) (Imperial) 34275-34478

The 34275-34478 is a single-row tapered roller bearing with a 2.76″ bore and 4.78″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 23000 lbf radially and 4600 lbf thrust, suitable for demanding 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, making it versatile for various conditions.

This model is interchangeable with Timken bearings, offering a reliable alternative for replacements. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 2.4 lb, it balances strength and practicality. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

The standard radial clearance (with options for C3/C4/C5) ensures flexibility in installation. Its ABEC-1 rating provides dependable precision for general industrial use.

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Product Parameters

  • Part Number 34275-34478
  • Brand TFL
  • Interchangeable Timken
  • Size 2.7559" x 4.7812" x 0.9688"
  • Bore Dia 2.7559"
  • 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 0.6875"
  • 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 3.23"
  • 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 34275
  • 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 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 2.4 lb

Features

Performance Features of 34275-34478 Bearing

34275-34478 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 various applications.
The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in diverse conditions.

How Is 34275-34478 Bearing Engineered for Reliability?

34275-34478 Bearing features precise cone and cup dimensions, ensuring smooth operation under heavy loads.
The tapered roller design distributes stress evenly, enhancing durability and reducing wear.
Its standard radial clearance allows for flexibility in different operational settings.
The ABEC-1 rating confirms its consistent quality and performance.

Built for Durability: 34275-34478 Bearing

34275-34478 Bearing’s chrome steel construction provides excellent resistance to wear and fatigue.
The single row design simplifies installation while maintaining high load capacity.
With a static radial load of 30,600 lbf, it handles demanding applications with ease.
Its open seal type allows for easy lubrication and maintenance.

Steel vs Ceramic Bearings: Strengths of 34275-34478 Bearing

34275-34478 Bearing uses chrome steel for both rollers and rings, ensuring strength and longevity.
The material choice makes it more cost-effective than ceramic options while maintaining reliability.
Its dynamic thrust rating of 4,600 lbf ensures stable performance under axial loads.
The standard lubrication requirement keeps it running smoothly over time.

Application

Industrial Uses of 34275-34478 Bearing
In heavy machinery like construction equipment, 34275-34478 Bearing handles combined loads with ease, thanks to its tapered roller design. The chrome steel construction ensures durability even in demanding environments.

Where Is 34275-34478 Bearing Used?
You’ll often find 34275-34478 Bearing in agricultural machinery, where its robust design supports high radial and thrust loads. The inch sizing makes it a fit for many North American industrial applications.

Built for Heavy-Duty Use: 34275-34478 Bearing
34275-34478 Bearing excels in mining equipment, where its steel cage and chrome steel rollers withstand harsh conditions. The open design allows for easy lubrication, extending service life.

Automotive vs Aerospace: Applications of 34275-34478 Bearing
In automotive drivetrains, 34275-34478 Bearing provides reliable performance under combined loads. For aerospace ground equipment, its precision and durability make it a trusted choice.

Perfect Fit for Automation: 34275-34478 Bearing
34275-34478 Bearing is ideal for conveyor systems in automated factories, offering smooth operation under varying loads. The standard radial clearance ensures consistent performance over time.

Q&A

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