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

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

The 619-612 is a single-row tapered roller bearing with a 2″ bore and 4.75″ outer diameter, built from sturdy chrome steel for 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 reliably in temperatures from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for industrial machinery, gearboxes, or automotive systems where combined loads are common.

Weighing 5 lb, it balances durability with manageable size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 619-612
  • Brand TFL
  • Interchangeable Timken
  • Size 2" x 4.75" x 1.625"
  • Bore Dia 2"
  • 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 1.625"
  • 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 4.13"
  • 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 619
  • Cup Part Number 612
  • 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 lb

Features

Performance Features of 619-612 Bearing

619-612 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 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 619-612 Bearing Engineered for Reliability?

619-612 Bearing features a single-row tapered roller design, ideal for handling combined radial and thrust loads.
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 demanding industrial uses.
The bearing requires lubrication but offers consistent performance across a wide temperature range.

Designed for Durability: 619-612 Bearing

619-612 Bearing’s chrome steel components resist wear, even under high radial loads up to 54,800 lbf.
The tapered roller design ensures efficient load distribution, reducing stress on individual components.
With an ABEC-1 rating, it balances precision and affordability for various applications.
Its open construction allows for easy lubrication and maintenance, enhancing longevity.

Steel vs Ceramic Bearings: Strengths of 619-612 Bearing

619-612 Bearing uses chrome steel for both rings and rollers, providing excellent strength and cost-effectiveness.
The steel cage design ensures proper roller spacing, minimising friction during operation.
With a static radial load capacity of 54,800 lbf, it outperforms many alternatives in heavy-load scenarios.
The bearing’s standard radial clearance makes it versatile for different installation requirements.

Application

Industrial Uses of 619-612 Bearing
The 619-612 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 619-612 Bearing Used?
You’ll often find 619-612 Bearing in automotive applications, such as wheel hubs and differential systems, thanks to its ability to manage both radial and thrust loads. The inch sizing makes it a fit for many US-made vehicles.

Built for Heavy-Duty Use: 619-612 Bearing
In construction equipment, 619-612 Bearing supports axles and drivetrains, where its robust design withstands high stress. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 619-612 Bearing
While 619-612 Bearing is popular in trucks and off-road vehicles for its load capacity, it’s also suitable for aerospace ground support equipment. The ABEC-1 rating balances precision and cost-effectiveness.

Perfect Fit for Automation: 619-612 Bearing
In automated production lines, 619-612 Bearing ensures smooth operation in robotic arms and assembly systems. Its standard radial clearance offers reliable performance without excessive maintenance.

Q&A

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