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TS (Single Row Tapered Roller Bearings) (Imperial) 68450-68712

TS (Single Row Tapered Roller Bearings) (Imperial) 68450-68712

The 68450-68712 is a single-row tapered roller bearing with a 4.5″ bore and 7.125″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 52100 lbf radially and 11500 lbf thrust, making it a robust choice for heavy-duty applications.

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, suitable for various industrial environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for machinery like gearboxes or conveyors where combined loads are common.

Weighing 6.4 lb, it’s built to last while maintaining a manageable size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 68450-68712
  • Brand TFL
  • Interchangeable Timken
  • Size 4.5" x 7.125" x 1.375"
  • Bore Dia 4.5"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 7.125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.25"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.375"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 5.79"
  • Cone Backface Backing Diameter 5.12"
  • Cup Frontface Backing Diameter 6.81"
  • Cup Backface Backing Diameter 6.42"
  • Cage Cone Frontface Clearance 0.12"
  • Cage Cone Backface Clearance 0.18"
  • Effective Center Location 0.21"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 68450
  • Cup Part Number 68712
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 68000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 52100 lbf
  • Static Radial Load 61000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 13500 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 11500 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 6.4 lb

Features

Performance Features of 68450-68712 Bearing

68450-68712 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 52,100 lbf, ensuring reliable performance in demanding conditions.
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 environments.

How Does 68450-68712 Bearing Reduce Friction?

68450-68712 Bearing features a tapered roller design that minimises friction during operation.
The chrome steel construction ensures smooth movement, even under heavy radial or thrust loads.
Precision tolerances and effective lubrication further enhance its efficiency.
This design helps maintain performance while reducing energy consumption.

Engineered for Precision: 68450-68712 Bearing

68450-68712 Bearing is designed with tight tolerances for accurate performance in industrial applications.
Its single-row tapered roller construction provides stability under combined loads.
The standard radial clearance option ensures compatibility with various machinery setups.
With an ABEC-1 rating, it balances precision and durability for general use.

Steel vs Ceramic Bearings: Strengths of 68450-68712 Bearing

68450-68712 Bearing uses chrome steel for both rollers and rings, offering excellent strength and durability.
This material choice provides reliable performance in heavy-load applications without brittleness concerns.
The steel cage adds robustness while maintaining proper roller alignment.
Its design ensures long service life even in challenging operating conditions.

Why Choose 68450-68712 Bearing for Precision Tasks?

68450-68712 Bearing combines tapered roller design with precise manufacturing for accurate performance.
The effective centre location of 0.21″ ensures stable rotation under load.
Its standard radial clearance allows for predictable operation in various applications.
The bearing maintains consistent performance across its -30° to 110°C temperature range.

Application

Industrial Uses of 68450-68712 Bearing
68450-68712 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The inch sizing makes it a straightforward fit for North American industrial applications.

Where Is 68450-68712 Bearing Used?
In automotive systems, 68450-68712 Bearing supports axles and wheel hubs, providing reliable performance under varying load conditions. Its chrome steel construction ensures durability even in demanding environments.

Built for Heavy-Duty Use: 68450-68712 Bearing
68450-68712 Bearing excels in conveyor systems and mining equipment, where its robust design withstands continuous operation. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 68450-68712 Bearing
While 68450-68712 Bearing is popular in truck axles, its precision also suits aerospace landing gear components. The ABEC-1 rating ensures consistent performance across different industries.

Essential Roles of 68450-68712 Bearing
68450-68712 Bearing is a go-to choice for wind turbine yaw systems, thanks to its high dynamic radial load capacity. The steel cage adds extra resilience in high-stress conditions.

Q&A

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