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TS (Single Row Tapered Roller Bearings) (Imperial) 621-614X

TS (Single Row Tapered Roller Bearings) (Imperial) 621-614X

The 621-614X is a single-row tapered roller bearing with a 2.125″ bore and 4.5276″ outer diameter, crafted from sturdy chrome steel. It handles combined loads, with a dynamic radial capacity of 46600 lbf and thrust up to 6510 lbf.

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 replacement option. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Weighing 4.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most industrial uses.

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Product Parameters

  • Part Number 621-614X
  • Brand TFL
  • Interchangeable Timken
  • Size 2.125" x 4.5276" x 1.6151"
  • Bore Dia 2.125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.5276"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.24"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.6151"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.12"
  • Cone Frontface Backing Diameter 2.48"
  • Cone Backface Backing Diameter 2.76"
  • Cup Frontface Backing Diameter 4.29"
  • Cup Backface Backing Diameter 3.98"
  • Cage Cone Frontface Clearance 0.11"
  • Cage Cone Backface Clearance 0.13"
  • Effective Center Location -0.55"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 621
  • Cup Part Number 614X
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 615
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 46600 lbf
  • Static Radial Load 54800 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 12100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 6510 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 4.2 lb

Features

How Does 621-614X Bearing Handle Combined Loads?

621-614X Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 46,600 lbf, ensuring reliable performance in demanding conditions.
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.

What Makes 621-614X Bearing Suitable for Heavy-Duty Applications?

621-614X Bearing features a single-row tapered roller design, ideal for handling combined loads efficiently.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 6,510 lbf makes it suitable for high-load scenarios.
The open design allows for easy lubrication, maintaining performance over time.

Engineered for Precision: 621-614X Bearing

621-614X Bearing is designed with precise tolerances, ensuring accurate performance in industrial applications.
The tapered roller design minimises friction, enhancing efficiency and reducing wear.
With an ABEC-1 rating, it meets standard precision requirements for various uses.
The effective centre location of -0.55″ ensures proper alignment in assemblies.

Steel vs Ceramic Bearings: Strengths of 621-614X Bearing

621-614X Bearing uses chrome steel for both rings and rollers, providing excellent strength and durability.
This material choice ensures reliable performance under heavy loads and high temperatures.
The steel cage further enhances stability, keeping rollers in place during operation.
Its compliance with RoHS and REACH standards makes it a safe choice for various industries.

Application

Industrial Uses of 621-614X Bearing
The 621-614X Bearing is commonly used in heavy machinery like conveyor systems and industrial gearboxes, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability in demanding environments.

Where Is 621-614X Bearing Used?
You’ll often find 621-614X Bearing in automotive applications, particularly in wheel hubs and differential systems, where its high load capacity and precision are essential. The inch sizing makes it a fit for many North American vehicles.

Built for Heavy-Duty Use: 621-614X Bearing
In construction equipment, 621-614X Bearing supports axles and drivetrains, thanks to its robust design and standard radial clearance. The steel cage adds extra strength for long-term reliability.

Automotive vs Aerospace: Applications of 621-614X Bearing
While 621-614X Bearing is popular in automotive systems, it also suits aerospace ground support equipment, where its temperature range and load capacity meet rigorous demands. The open seal design simplifies maintenance.

Practical Applications of 621-614X Bearing
For agricultural machinery, 621-614X Bearing is a go-to choice for pivot points and rotating shafts, balancing performance and durability. Its ABEC-1 rating ensures consistent operation in varied conditions.

Q&A

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