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

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

The 623-612 is a single-row tapered roller bearing with a 2.25″ bore and 4.75″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 46600 lbf radially and 6510 lbf thrust, suitable for demanding applications.

Its open design allows for straightforward lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 4.6 lb, it offers a robust build for its size. Compliant with RoHS and REACH standards, it’s a reliable option for various industrial uses.

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Product Parameters

  • Part Number 623-612
  • 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 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.6"
  • Cone Backface Backing Diameter 2.83"
  • 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 623
  • 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 623-612 Bearing

623-612 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 environmental conditions.

623-612 Bearing’s standard radial clearance allows for smooth operation and easy installation.
Its tapered roller design efficiently handles both radial and thrust loads, making it versatile for different uses.

Application

Industrial Uses of 623-612 Bearing
The 623-612 Bearing is commonly used in heavy machinery like conveyor systems and agricultural equipment, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 623-612 Bearing supports 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 fans and blowers, 623-612 Bearing’s open design allows for easy lubrication, extending service life in high-speed operations. The steel cage adds stability, reducing wear over time.

Where Is 623-612 Bearing Used?
You’ll often find 623-612 Bearing in construction equipment like bulldozers and excavators, where its robust design handles heavy loads. The tapered rollers distribute stress evenly, preventing premature failure.

In mining machinery, 623-612 Bearing’s ability to withstand harsh conditions makes it a go-to choice for crushers and screens. Its standard radial clearance ensures smooth operation even under intense vibration.

Built for Heavy-Duty Use: 623-612 Bearing
623-612 Bearing excels in forestry equipment like log splitters, where its combined load capacity is crucial. The chrome steel rollers resist deformation under heavy pressure.

For railway applications, 623-612 Bearing’s temperature tolerance ensures reliability in varying climates. Its ABEC-1 rating provides consistent performance without over-engineering.

Automotive vs Aerospace: Applications of 623-612 Bearing
In automotive drivetrains, 623-612 Bearing handles high torque loads, while its aerospace use is limited due to weight constraints. The inch sizing suits older industrial machinery perfectly.

For hydraulic pumps, 623-612 Bearing’s lubrication requirements are easily met with standard greases. The steel cage prevents contamination in dirty environments.

Q&A

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