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TS (Single Row Tapered Roller Bearings) (Imperial) 47678-47620A

TS (Single Row Tapered Roller Bearings) (Imperial) 47678-47620A

The 47678-47620A is a single-row tapered roller bearing with a 3″ bore and 5.25″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 48100 lbf radially and 8640 lbf thrust, making it a versatile choice.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for various industrial conditions.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy-duty applications like gearboxes or axle systems where combined loads are common.

Weighing 4.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 47678-47620A
  • Brand TFL
  • Interchangeable Timken
  • Size 3" x 5.25" x 1.3126"
  • Bore Dia 3"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.25"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.3125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.0313"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.3126"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 4.09"
  • Cone Backface Backing Diameter 3.82"
  • Cup Frontface Backing Diameter 5.08"
  • Cup Backface Backing Diameter 4.76"
  • Cage Cone Frontface Clearance 0.12"
  • Cage Cone Backface Clearance 0.08"
  • Effective Center Location -0.17"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 47678
  • Cup Part Number 47620A
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 47600
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 48100 lbf
  • Static Radial Load 58900 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 12500 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 8640 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 4.2 lb

Features

Performance Features of 47678-47620A Bearing

47678-47620A Bearing is crafted from chrome steel, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 48,100 lbf, making it suitable for heavy-duty applications.
The tapered roller design ensures smooth operation and efficient load distribution.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 47678-47620A Bearing Engineered for Reliability?

47678-47620A Bearing features a steel cage that maintains roller alignment, reducing wear.
The standard radial clearance allows for flexibility in different operational setups.
Its ABEC-1 rating ensures consistent precision for general industrial use.
The open seal design simplifies lubrication and maintenance procedures.

Built for Durability: 47678-47620A Bearing

47678-47620A Bearing’s chrome steel construction enhances its longevity under heavy loads.
The tapered rollers and precise dimensions ensure stable performance over time.
With a static radial load capacity of 58,900 lbf, it handles demanding conditions.
Its effective center location design improves load distribution and reduces stress.

Steel vs Ceramic Bearings: Strengths of 47678-47620A Bearing

47678-47620A Bearing uses chrome steel for both rollers and rings, balancing cost and durability.
The material choice provides excellent resistance to wear and fatigue.
Its dynamic thrust rating of 8,640 lbf ensures reliable performance in thrust applications.
The standard lubrication requirement keeps operation smooth without excessive maintenance.

Application

Industrial Uses of 47678-47620A Bearing
The 47678-47620A Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough working conditions.

Where Is 47678-47620A Bearing Used?
You’ll often find 47678-47620A Bearing in automotive applications like truck wheel hubs, where its ability to manage radial and thrust loads keeps things running smoothly. The inch sizing makes it a good fit for North American vehicles.

Built for Heavy-Duty Use: 47678-47620A Bearing
This bearing excels in industrial settings like conveyor systems, where its open design allows for easy lubrication and maintenance. The steel cage adds extra strength for long-lasting performance.

Automotive vs Aerospace: Applications of 47678-47620A Bearing
In automotive uses, 47678-47620A Bearing supports heavy loads in drivetrains, while in aerospace, its precision helps with landing gear mechanisms. The ABEC-1 rating ensures reliable performance in both fields.

Perfect Fit for Automation: 47678-47620A Bearing
For automated machinery, 47678-47620A Bearing offers smooth operation in robotic arms and assembly lines. Its standard radial clearance makes it versatile for various industrial applications.

Q&A

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