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TS (Single Row Tapered Roller Bearings) (Imperial) 47678-47621

TS (Single Row Tapered Roller Bearings) (Imperial) 47678-47621

The 47678-47621 is a single-row tapered roller bearing with a 3″ bore and 5.5115″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 48100 lbf radially and 8640 lbf thrust, suitable for heavy-duty applications.

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

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

Weighing 5.1 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice.

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Product Parameters

  • Part Number 47678-47621
  • Brand TFL
  • Interchangeable Timken
  • Size 3" x 5.5115" x 1.4376"
  • Bore Dia 3"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.5115"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.3125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.1563"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.4376"
  • 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 5.16"
  • Cup Backface Backing Diameter 4.80"
  • 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 47621
  • 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 5.1 lb

Features

How Is 47678-47621 Bearing Engineered for Reliability?

47678-47621 Bearing features chrome steel rings and rollers, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 48,100 lbf, making it suitable for heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and wear over time.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

What Makes 47678-47621 Bearing Suitable for High-Temperature Applications?

47678-47621 Bearing operates efficiently in temperatures from -30° to 110°C, maintaining performance in demanding environments.
The chrome steel construction resists heat-related wear, ensuring long service life.
Its standard radial clearance options provide flexibility for different operational needs.
Lubrication is required to keep the bearing running smoothly under high loads.

Designed for Durability: 47678-47621 Bearing

47678-47621 Bearing is built with chrome steel components, offering excellent resistance to wear and fatigue.
Its dynamic thrust rating of 8,640 lbf ensures reliable performance in combined load scenarios.
The open design allows for easy lubrication, reducing maintenance requirements.
With an ABEC-1 rating, it balances precision and cost-effectiveness.

Application

Industrial Uses of 47678-47621 Bearing
This bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is 47678-47621 Bearing Used?
You’ll often find 47678-47621 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for American-made vehicles and industrial equipment.

Built for Heavy-Duty Use: 47678-47621 Bearing
47678-47621 Bearing excels in conveyor systems and mining machinery, thanks to its high dynamic radial load capacity. The open design allows for easy lubrication, extending its service life in tough conditions.

Automotive vs Aerospace: Applications of 47678-47621 Bearing
In automotive settings, 47678-47621 Bearing supports heavy loads in drivetrains, while its precision makes it suitable for aerospace landing gear components. The steel cage adds stability during high-stress operations.

Perfect Fit for Automation: 47678-47621 Bearing
47678-47621 Bearing is ideal for robotic arms and automated assembly lines, where its tapered rollers provide smooth motion control. The standard radial clearance ensures consistent performance in repetitive tasks.

Q&A

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