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TS (Single Row Tapered Roller Bearings) (Imperial) 47685-47621

TS (Single Row Tapered Roller Bearings) (Imperial) 47685-47621

The 47685-47621 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 versatile for heavy-duty use.

Its open design allows 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 applications like truck axles or heavy machinery where combined loads are common.

Weighing 4.7 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

The standard radial clearance and ABEC-1 rating ensure consistent performance. Its tapered roller design provides efficient load distribution, reducing wear over time.

Perfect for maintenance tasks, its dimensions and tolerances make installation straightforward. A dependable choice for engineers and repairers alike.

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Product Parameters

  • Part Number 47685-47621
  • Brand TFL
  • Interchangeable Timken
  • Size 3.25" x 5.5115" x 1.4375"
  • 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 1.4375"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.32"
  • Cone Backface Backing Diameter 3.58"
  • 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 47685
  • 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 47685-47621 Bearing

47685-47621 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 demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Does 47685-47621 Bearing Reduce Friction?

47685-47621 Bearing’s tapered roller design minimises friction, allowing smooth operation under heavy loads.
The precise alignment of rollers ensures even load distribution, enhancing efficiency.
Chrome steel construction provides durability, reducing wear over time.
Its standard radial clearance options offer flexibility for different applications.

Engineered for Precision: 47685-47621 Bearing

47685-47621 Bearing features a single-row tapered design, ideal for combined load applications.
The chrome steel components ensure long-lasting performance and resistance to wear.
With an ABEC-1 rating, it provides reliable precision for industrial use.
Its effective centre location of -0.17″ ensures optimal alignment in assemblies.

Steel vs Ceramic Bearings: Strengths of 47685-47621 Bearing

47685-47621 Bearing uses chrome steel for both rings and rollers, balancing strength and cost-effectiveness.
This material choice provides excellent load capacity, up to 58,900 lbf static radial load.
The steel cage ensures stability, even at high speeds or under heavy thrust loads.
Its standard lubrication requirement simplifies maintenance while ensuring smooth operation.

Application

Industrial Uses of 47685-47621 Bearing
47685-47621 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 47685-47621 Bearing supports wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a preferred choice for North American vehicle models.

For industrial gearboxes, 47685-47621 Bearing’s open design allows for easy lubrication, extending service life. The steel cage adds stability, making it suitable for high-load scenarios.

Where Is 47685-47621 Bearing Used?
47685-47621 Bearing finds its place in agricultural machinery, such as tractors and harvesters, where its robust design withstands rough conditions. The standard radial clearance ensures smooth operation.

In mining equipment, 47685-47621 Bearing’s ability to handle dynamic radial loads makes it ideal for conveyor systems. The ABEC-1 rating balances precision and cost-effectiveness for industrial use.

Built for Heavy-Duty Use: 47685-47621 Bearing
47685-47621 Bearing excels in forestry equipment, where its tapered rollers manage both radial and thrust loads efficiently. The temperature range suits outdoor operations in various climates.

For railway applications, 47685-47621 Bearing’s chrome steel rollers provide long-lasting performance in axle boxes. Its compatibility with Timken designs simplifies maintenance and replacements.

Automotive vs Aerospace: Applications of 47685-47621 Bearing
In automotive systems, 47685-47621 Bearing supports drivetrain components, offering reliable performance under stress. The inch measurements align with standard US automotive specifications.

For aerospace ground equipment, 47685-47621 Bearing’s static radial load capacity ensures stability in landing gear servicing tools. The steel cage prevents deformation under heavy use.

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