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

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

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

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

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery, gearboxes, or automotive applications where robust performance is needed.

Weighing 4.1 pounds, it’s built to last with standard radial clearance and ABEC-1 precision. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 47678-47620
  • Brand TFL
  • Interchangeable Timken
  • Size 3" x 5.25" x 1.3125"
  • 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 1.3125"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.09"
  • Cone Backface Backing Diameter 3.82"
  • Cup Frontface Backing Diameter 5.08"
  • Cup Backface Backing Diameter 4.69"
  • 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 47620
  • 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 4.100 lb

Features

Performance Features of 47678-47620 Bearing

47678-47620 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 48,100 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.

How Is 47678-47620 Bearing Engineered for Reliability?

47678-47620 Bearing features precise cone and cup dimensions, ensuring smooth operation under stress.
The tapered roller design distributes loads evenly, enhancing durability and reducing wear.
Its standard radial clearance allows for flexibility in different applications.
Lubrication is required to maintain optimal performance over time.

Built for Durability: 47678-47620 Bearing

47678-47620 Bearing’s chrome steel construction resists wear, even under high radial and thrust loads.
The single-row design simplifies installation while maintaining robust performance.
With an ABEC-1 rating, it balances precision and cost-effectiveness.
Its weight of 4.100 lb reflects a sturdy build suitable for industrial use.

Steel vs Ceramic Bearings: Strengths of 47678-47620 Bearing

47678-47620 Bearing uses chrome steel for both rollers and rings, ensuring strength and affordability.
The steel cage provides reliable support, making it ideal for heavy-load scenarios.
Unlike ceramic options, it offers a practical balance of performance and cost.
Its compliance with RoHS and REACH standards ensures environmental safety.

Application

Industrial Uses of 47678-47620 Bearing
The 47678-47620 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 47678-47620 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it a convenient choice for North American vehicle models.

For industrial conveyor systems, 47678-47620 Bearing’s open design allows for easy lubrication, extending its service life in continuous operation. The steel cage adds stability, making it suitable for high-load scenarios.

Where Is 47678-47620 Bearing Used?
You’ll often find 47678-47620 Bearing in agricultural machinery, where its robust design handles rough terrain and heavy loads. The tapered rollers distribute stress evenly, reducing wear over time.

In mining equipment, 47678-47620 Bearing’s high dynamic load capacity makes it ideal for crushers and screens. Its standard radial clearance ensures smooth operation even under intense vibrations.

Built for Heavy-Duty Use: 47678-47620 Bearing
The 47678-47620 Bearing excels in forestry equipment, where its combined load capability manages both radial and axial forces. The chrome steel rollers resist deformation under heavy stress.

For railway applications, 47678-47620 Bearing’s temperature tolerance ensures reliability in varying climates. Its ABEC-1 rating balances precision and cost-effectiveness for freight and passenger trains.

Light-Duty vs Heavy-Duty: Best Uses for 47678-47620 Bearing
In light-duty scenarios like small gearboxes, 47678-47620 Bearing offers sufficient load capacity without over-engineering. Its standard lubrication requirement simplifies maintenance.

For heavy-duty industrial presses, 47678-47620 Bearing’s static radial load rating of 58,900 lbf ensures stability. The steel cage prevents roller misalignment during high-impact operations.

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