+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 34301-34478RB

TS (Single Row Tapered Roller Bearings) (Imperial) 34301-34478RB

The 34301-34478RB is a single-row tapered roller bearing with a 3″ 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 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 2.1 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 34301-34478RB
  • 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 0.6875"
  • 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 4.02"
  • Cone Backface Backing Diameter 3.5"
  • 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 34301
  • Cup Part Number 34478RB
  • 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 34301-34478RB Bearing

34301-34478RB 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 roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 34301-34478RB Bearing Engineered for Reliability?

34301-34478RB Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its effective center location of 0.06″ improves load distribution and reduces wear.
This design makes it a dependable choice for industrial applications.

Built for Durability: 34301-34478RB Bearing

34301-34478RB Bearing’s chrome steel components provide excellent wear resistance and long service life.
The tapered roller design efficiently manages both radial and thrust loads, up to 30,600 lbf static radial load.
Its ABEC-1 rating ensures consistent precision in performance.
The open seal type allows for easy lubrication, maintaining optimal functionality.

Steel vs Ceramic Bearings: Strengths of 34301-34478RB Bearing

34301-34478RB Bearing uses chrome steel for both rings and rollers, balancing strength and cost-effectiveness.
This material choice ensures high load capacity and resistance to wear in demanding conditions.
The steel cage further enhances stability and alignment under heavy loads.
It’s a practical solution for applications where durability and performance are key.

Why Choose 34301-34478RB Bearing for Precision Tasks?

34301-34478RB Bearing’s tapered roller design ensures precise load distribution and smooth operation.
With a dynamic thrust rating of 4,600 lbf, it handles combined loads efficiently.
The standard radial clearance option allows for flexibility in various applications.
Its robust construction makes it suitable for tasks requiring both accuracy and reliability.

Application

Industrial Uses of 34301-34478RB Bearing
34301-34478RB Bearing is commonly used in heavy machinery like construction equipment and agricultural tractors, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

What Makes 34301-34478RB Bearing a Preferred Choice?
In automotive applications, 34301-34478RB Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 34301-34478RB Bearing
For industrial gearboxes, 34301-34478RB Bearing offers smooth operation and long service life, thanks to its steel cage and precise tolerances. The open design allows for easy lubrication and maintenance.

Automotive vs Aerospace: Applications of 34301-34478RB Bearing
While 34301-34478RB Bearing is popular in truck axles and heavy vehicles, it’s also suitable for aerospace ground support equipment. Its robust design meets the demands of high-load scenarios in both fields.

Key Fields for 34301-34478RB Bearing
In mining equipment, 34301-34478RB Bearing excels in conveyor systems and crushers, where its ability to handle combined loads is crucial. The standard radial clearance ensures consistent performance over time.

Q&A

SEND INQUIRY