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747-S Single Cones (Imperial)
747-S Single Cones (Imperial)

747-S Single Cones (Imperial)

The 747-S is a single-row tapered roller bearing cone with a 2.5575-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 71400 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design allows easy maintenance, while the steel cage ensures reliable performance. The cone has standard radial clearance, with options for C3, C4, or C5 available to suit different needs.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like truck axles or industrial gearboxes where robust performance is required.

Compliant with RoHS and REACH standards, it offers a balance of strength and longevity. The ABEC-1 rating ensures consistent precision for most industrial uses.

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Product Parameters

  • Part Number 747-S
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 745
  • Bore Dia 2.5575"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 1.8375"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.14"
  • Cone Frontface Backing Diameter 3.07"
  • Cone Backface Backing Diameter 3.35"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.05"
  • Effective Center Location -0.47"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 71400 lbf
  • Static Radial Load 93800 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 18500 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 124000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 10300 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 32200 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

Performance Features of 747-S Bearing

747-S Bearing is crafted with chrome steel rings, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 71,400 lbf, ensuring reliable performance in tough conditions.
The steel cage maintains proper roller alignment, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 747-S Bearing Engineered for Reliability?

747-S Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The single-row construction provides stability, while the open seal type allows for easy maintenance.
Its dynamic thrust rating of 10,300 lbf ensures durability in demanding applications.
The standard radial clearance offers flexibility for different operational needs.

Built for Durability: 747-S Bearing

747-S Bearing’s chrome steel construction resists wear, even under heavy loads.
The precise cone width tolerance ensures a snug fit, enhancing performance.
With an ABEC-1 rating, it balances precision and cost-effectiveness.
The steel cage design minimises friction, promoting smooth operation.

Steel vs Ceramic Bearings: Strengths of 747-S Bearing

747-S Bearing uses chrome steel for its rings and steel for its cage, ensuring strength and reliability.
This material choice provides excellent load capacity, with a static radial load of 93,800 lbf.
The tapered roller design is ideal for combined load applications.
Its compliance with RoHS and REACH standards makes it an environmentally friendly choice.

Application

Industrial Uses of 747-S Bearing
The 747-S Bearing is commonly used in heavy machinery, such as construction equipment and mining vehicles, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough working conditions.

Where Is 747-S Bearing Used?
You’ll often find 747-S Bearing in agricultural machinery, like tractors and harvesters, where its robust design supports high radial and thrust loads. The open seal type allows for easy lubrication, extending its service life.

Built for Heavy-Duty Use: 747-S Bearing
747-S Bearing excels in industrial gearboxes, providing reliable performance under constant stress. Its steel cage and precise tolerances make it a dependable choice for long-term use.

Automotive vs Aerospace: Applications of 747-S Bearing
In automotive applications, 747-S Bearing is ideal for wheel hubs and differentials, offering stability under varying loads. For aerospace, its precision and strength make it suitable for auxiliary systems.

Practical Applications of 747-S Bearing
747-S Bearing is a go-to for conveyor systems in manufacturing plants, where its ability to handle heavy loads keeps production lines running smoothly. The inch sizing ensures compatibility with many industrial standards.

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