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TS (Single Row Tapered Roller Bearings) (Imperial) 623A-612

TS (Single Row Tapered Roller Bearings) (Imperial) 623A-612

The 623A-612 is a single-row tapered roller bearing with a 2.25″ bore and 4.75″ outer diameter, crafted from sturdy chrome steel. It handles combined loads, with a dynamic radial load capacity of 46600 lbf and a static radial load of 54800 lbf.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging 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 gearboxes or industrial machinery where combined loads are common.

Weighing 4.6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice for demanding environments.

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Product Parameters

  • Part Number 623A-612
  • Brand TFL
  • Interchangeable Timken
  • Size 2.25" x 4.75" x 1.625"
  • Bore Dia 2.25"
  • 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 0.25"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.6"
  • Cone Backface Backing Diameter 3.07"
  • 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 623A
  • 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 4.6 lb

Features

Performance Features of 623A-612 Bearing

623A-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 623A-612 Bearing Engineered for Reliability?

623A-612 Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction enhances durability, even under high-stress conditions.
Its standard radial clearance allows for smooth operation, reducing wear over time.
With an ABEC-1 rating, it balances precision and cost-effectiveness.

Built for Durability: 623A-612 Bearing

623A-612 Bearing’s single-row construction simplifies installation while maintaining robust performance.
The steel cage ensures proper roller spacing, minimising friction and heat generation.
Its static radial load capacity of 54,800 lbf makes it suitable for demanding industrial applications.
The bearing operates efficiently within a wide temperature range, ensuring versatility.

Steel vs Ceramic Bearings: Strengths of 623A-612 Bearing

623A-612 Bearing uses chrome steel for both rings and rollers, providing excellent strength and wear resistance.
This material choice makes it more cost-effective than ceramic options for many industrial uses.
The bearing’s dynamic thrust rating of 6,510 lbf ensures reliable performance under axial loads.
Its standard lubrication requirement simplifies maintenance compared to specialised alternatives.

Why Choose 623A-612 Bearing for Precision Tasks?

623A-612 Bearing offers precise load handling with its tapered roller design and chrome steel components.
The effective centre location of -0.55″ ensures proper load distribution during operation.
With a C90 dynamic radial rating of 12,100 lbf, it delivers consistent performance over time.
The bearing’s standard radial clearance provides a balance between precision and operational flexibility.

Application

Industrial Uses of 623A-612 Bearing
The 623A-612 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 623A-612 Bearing Used?
You’ll often find 623A-612 Bearing in automotive axles and wheel hubs, where its ability to manage both radial and thrust loads keeps vehicles running smoothly. The inch sizing makes it a natural fit for North American and UK machinery standards.

Built for Heavy-Duty Use: 623A-612 Bearing
This bearing excels in industrial fans and conveyor systems, thanks to its robust steel cage and open design for easy lubrication. The standard radial clearance offers flexibility for various operational conditions.

Automotive vs Aerospace: Applications of 623A-612 Bearing
In automotive settings, 623A-612 Bearing supports drivetrains and gearboxes, while its precision makes it suitable for aerospace landing gear components. The ABEC-1 rating ensures reliable performance across both sectors.

Perfect Fit for Automation: 623A-612 Bearing
For automated production lines, 623A-612 Bearing provides stable rotation in robotic arms and assembly systems. Its tapered rollers reduce friction, extending service life even with continuous use.

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