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TS (Single Row Tapered Roller Bearings) (Imperial) 620-612A

TS (Single Row Tapered Roller Bearings) (Imperial) 620-612A

The 620-612A is a single-row tapered roller bearing with a 1.5625″ bore and 4.726″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 46600 lbf radially and 6510 lbf thrust, making it suitable for demanding 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, gearboxes, or automotive systems where combined loads are common.

Weighing 5.5 lb, it’s built to last while maintaining standard radial clearance. Compliant with RoHS and REACH standards for safe and environmentally friendly use.

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Product Parameters

  • Part Number 620-612A
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5625" x 4.726" x 1.6251"
  • Bore Dia 1.5625"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.726"
  • 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 0.03"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.05"
  • Cone Backface Backing Diameter 2.09"
  • Cup Frontface Backing Diameter 4.35"
  • Cup Backface Backing Diameter 4.06"
  • 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 620
  • Cup Part Number 612A
  • 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 5.5 lb

Features

How Does 620-612A Bearing Handle Combined Loads?

620-612A 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.

Why Choose 620-612A Bearing for Precision Tasks?

620-612A Bearing features precise tolerances, with a bore diameter tolerance of +0.005″ to 0.
Its tapered roller design ensures smooth operation under combined loads, making it ideal for precision applications.
The chrome steel construction provides durability, while the standard radial clearance offers flexibility.
This bearing is interchangeable with Timken models, ensuring easy replacement and compatibility.

Engineered for Reliability: 620-612A Bearing

620-612A Bearing’s single-row construction enhances stability and load distribution.
The chrome steel rollers and rings resist wear, maintaining performance over time.
With a static radial load capacity of 54,800 lbf, it handles heavy-duty applications with ease.
Its open design allows for easy lubrication, ensuring consistent operation.

Steel vs Ceramic Bearings: Strengths of 620-612A Bearing

620-612A Bearing uses chrome steel for both rollers and rings, providing excellent strength and durability.
Compared to ceramic options, it offers a cost-effective solution without compromising performance.
The steel cage ensures proper roller alignment, reducing friction and noise.
With an ABEC-1 rating, it balances precision and affordability for various industrial uses.

Application

Industrial Uses of 620-612A Bearing
The 620-612A Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 620-612A Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. The imperial sizing makes it a convenient choice for North American vehicle models.

For industrial conveyor systems, 620-612A Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds stability, reducing wear over time.

Where Is 620-612A Bearing Used?
You’ll often find 620-612A Bearing in agricultural machinery, like tractors and harvesters, where its robust design handles uneven loads. The tapered rollers distribute stress evenly, preventing premature failure.

In power transmission systems, 620-612A Bearing supports shafts and gears, ensuring smooth rotation under heavy loads. Its ABEC-1 rating balances precision and cost for general industrial use.

Built for Heavy-Duty Use: 620-612A Bearing
The 620-612A Bearing excels in forestry equipment, such as log splitters, thanks to its high static radial load capacity. Its standard radial clearance suits most operational conditions.

For railway applications, 620-612A Bearing’s temperature range (-30° to 110°C) ensures reliability in varying climates. The steel cage and chrome steel rollers resist wear from constant vibration.

Automotive vs Industrial: Applications of 620-612A Bearing
In trucks, 620-612A Bearing is ideal for axle systems, where combined loads are common. Its dynamic thrust rating (6510 lbf) ensures longevity under heavy use.

For factory machinery, 620-612A Bearing’s ease of maintenance makes it a practical choice. The open design simplifies relubrication during routine checks.

Q&A

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