TS (Single Row Tapered Roller Bearings) (Imperial) 619-612A

The 619-612A is a single-row tapered roller bearing with a 2″ bore and 4.726″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads up to 46600 lbf radially and 6510 lbf thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures smooth operation even under heavy loads. The bearing works well in temperatures from -30°C to 110°C, suitable for demanding environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for machinery like gearboxes or axles where combined loads are common.

Weighing 4.9 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, ensuring safe and eco-friendly use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 619-612A
Brand TFL
Interchangeable Timken
Size 2" x 4.726" x 1.6251"
Bore Dia 2"
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 0.14"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 2.4"
Cone Backface Backing Diameter 2.64"
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 619
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 4.900 lb

Features

Why Choose 619-612A Bearing for Precision Tasks?

619-612A Bearing is crafted with chrome steel rings and rollers, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 46,600 lbf, making it suitable for demanding industrial applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

How Is 619-612A Bearing Engineered for Reliability?

619-612A Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction resists wear, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 6,510 lbf at 90 million revolutions highlights long-term performance.
The open design simplifies lubrication, maintaining efficiency over time.

Built for Durability: 619-612A Bearing

619-612A Bearing’s robust chrome steel components withstand heavy radial and thrust loads.
The tapered roller design distributes stress evenly, enhancing fatigue life.
With an ABEC-1 rating, it balances precision and cost-effectiveness for industrial use.
Its standard radial clearance options (C3/C4/C5) allow flexibility in different applications.

Steel vs Ceramic Bearings: Strengths of 619-612A Bearing

619-612A Bearing uses chrome steel for both rollers and rings, offering excellent strength-to-weight ratio.
This material choice provides better impact resistance compared to ceramic alternatives in heavy-load scenarios.
The steel cage further enhances durability while maintaining precise roller alignment.
At 4.9 lb, it remains lightweight despite its robust construction.

Application

Industrial Uses of 619-612A Bearing
The 619-612A 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 619-612A Bearing Used?
You’ll often find 619-612A Bearing in automotive applications, such as wheel hubs and differential systems, where its high load capacity and precision are essential. The imperial sizing makes it a fit for many North American vehicle models.

Built for Heavy-Duty Use: 619-612A Bearing
In construction equipment, 619-612A Bearing excels under heavy radial and thrust loads, thanks to its robust single-row tapered roller design. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 619-612A Bearing
While 619-612A Bearing is popular in automotive drivetrains, its precision also suits aerospace components like landing gear systems. The ABEC-1 rating ensures reliable performance in both fields.

Perfect Fit for Automation: 619-612A Bearing
For robotic arms and automated machinery, 619-612A Bearing offers smooth operation and high load tolerance. Its steel cage provides stability, making it ideal for repetitive motion tasks.