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TS (Single Row Tapered Roller Bearings) (Imperial) 47687-47621

TS (Single Row Tapered Roller Bearings) (Imperial) 47687-47621

The 47687-47621 is a single-row tapered roller bearing with a 3.25″ bore and 5.5115″ 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 ranging from -30°C to 110°C.

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

Weighing 4.7 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice for various mechanical needs.

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Product Parameters

  • Part Number 47687-47621
  • Brand TFL
  • Interchangeable Timken
  • Size 3.25" x 5.5115" x 1.4376"
  • Bore Dia 3.25"
  • Bore Dia Tolerance +0.001" 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 0.270"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.41"
  • Cone Backface Backing Diameter 4.13"
  • 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 47687
  • 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 4.7 lb

Features

Performance Features of 47687-47621 Bearing

47687-47621 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.

Designed for easy lubrication, 47687-47621 Bearing simplifies maintenance and reduces downtime.
The standard radial clearance options provide flexibility for different operational needs.

Application

Industrial Uses of 47687-47621 Bearing
47687-47621 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 47687-47621 Bearing fits well in wheel hubs and drivetrains, providing reliable performance under radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 47687-47621 Bearing’s open design allows for easy lubrication, extending service life in high-load scenarios. The steel cage adds stability during continuous operation.

Where Is 47687-47621 Bearing Used?
47687-47621 Bearing can be found in mining equipment, where its robust design withstands harsh environments and heavy loads. The standard radial clearance ensures smooth operation even under stress.

In manufacturing plants, 47687-47621 Bearing supports machinery like presses and gearboxes, thanks to its high dynamic load capacity. The ABEC-1 rating balances precision and cost-effectiveness for industrial use.

Built for Heavy-Duty Use: 47687-47621 Bearing
47687-47621 Bearing excels in applications like forestry machinery, where its tapered rollers manage uneven loads and shocks. The chrome steel rollers resist wear, reducing maintenance needs.

For railway applications, 47687-47621 Bearing provides reliable performance in axle boxes, handling both radial and axial forces. Its temperature range suits various climatic conditions.

Automotive vs Aerospace: Applications of 47687-47621 Bearing
In automotive systems, 47687-47621 Bearing is ideal for transmissions and differentials, offering smooth power transfer. The inch measurements align with standard automotive parts.

For aerospace ground equipment, 47687-47621 Bearing supports heavy loads in tow tractors and loading systems. Its compliance with RoHS and REACH standards ensures environmental safety.

Q&A

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