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TS (Single Row Tapered Roller Bearings) (Imperial) 621-612V

TS (Single Row Tapered Roller Bearings) (Imperial) 621-612V

The 621-612V is a single-row tapered roller bearing with a 2.125″ bore and 4.75″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 46600 lbf radially and 6510 lbf thrust, making it versatile for heavy-duty use.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. 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 applications like truck axles or industrial gearboxes where combined loads are common.

Weighing 4.8 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 621-612V
  • Brand TFL
  • Interchangeable Timken
  • Size 2.125" x 4.75" x 1.6251"
  • Bore Dia 2.125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.75"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.25"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.6251"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.48"
  • Cone Backface Backing Diameter 2.76"
  • Cup Frontface Backing Diameter 4.35"
  • Cup Backface Backing Diameter 4.13"
  • 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 612V
  • 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 4.8 lb

Features

Performance Features of 621-612V Bearing

621-612V Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 46,600 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.

How Is 621-612V Bearing Engineered for Reliability?

621-612V 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 dynamic thrust rating of 6,510 lbf at 90 million revolutions demonstrates long-term reliability.
The open design allows for easy lubrication, maintaining performance over time.

Built for Durability: 621-612V Bearing

621-612V Bearing’s robust chrome steel components withstand high static radial loads up to 54,800 lbf.
The tapered roller design distributes loads evenly, reducing stress on individual components.
With an ABEC-1 rating, it provides consistent precision in various industrial applications.
The standard cup type simplifies installation, making it a practical choice for many setups.

Application

Industrial Uses of 621-612V Bearing
The 621-612V Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

Where Is 621-612V Bearing Used?
You’ll often find 621-612V Bearing in automotive applications, particularly in wheel hubs and differential systems. Its precise imperial sizing makes it a reliable choice for older or custom vehicle models.

Built for Heavy-Duty Use: 621-612V Bearing
In industrial conveyor systems, 621-612V Bearing provides smooth operation under high radial and thrust loads. The open design allows for easy lubrication, extending its service life in continuous-use scenarios.

Automotive vs Aerospace: Applications of 621-612V Bearing
While 621-612V Bearing excels in automotive drivetrains, its robust design also suits aerospace ground support equipment. The steel cage and chrome rollers ensure consistent performance in both fields.

Perfect Fit for Automation: 621-612V Bearing
For automated production lines, 621-612V Bearing offers reliable support in robotic arms and assembly systems. Its standard radial clearance ensures smooth movement without excessive play.

Q&A

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