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TS (Single Row Tapered Roller Bearings) (Imperial) 68450-68709

TS (Single Row Tapered Roller Bearings) (Imperial) 68450-68709

The 68450-68709 is a single-row tapered roller bearing with a 4.5″ bore and 7.0856″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 52100 lbf radially and 11500 lbf in 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.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for use in industrial machinery, automotive systems, or construction equipment where combined loads are common.

Weighing 6.3 lb, it strikes a balance between strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

The tapered roller design provides effective load distribution, enhancing longevity. Its standard radial clearance ensures compatibility with various setups, while the ABEC-1 rating guarantees consistent performance.

Perfect for applications requiring precise alignment and high load capacity. The bearing’s construction ensures stability even under demanding conditions, making it a dependable choice for engineers and maintenance teams.

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Product Parameters

  • Part Number 68450-68709
  • Brand TFL
  • Interchangeable Timken
  • Size 4.5" x 7.0856" x 1.375"
  • Bore Dia 4.5"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 7.0856"
  • 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 0.03"
  • Cone Frontface Backing Diameter 5.79"
  • Cone Backface Backing Diameter 5.12"
  • Cup Frontface Backing Diameter 6.81"
  • Cup Backface Backing Diameter 6.50"
  • 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 68709
  • 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 6.3 lb

Features

Performance Features of 68450-68709 Bearing

68450-68709 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 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 environments.

How Does 68450-68709 Bearing Reduce Friction?

68450-68709 Bearing features a tapered roller design, optimised for smooth operation under combined loads.
The chrome steel construction minimises wear, while the steel cage ensures consistent roller spacing.
Its dynamic thrust rating of 11,500 lbf at 90 million revolutions highlights its durability.
Precision tolerances and effective lubrication further enhance its efficiency.

Built for Reliability: 68450-68709 Bearing

68450-68709 Bearing’s single-row construction provides stability and strength for industrial applications.
The standard radial clearance options (C3/C4/C5) allow for flexibility in different operating conditions.
With a static radial load capacity of 61,000 lbf, it handles heavy loads with ease.
Its ABEC-1 rating ensures consistent performance in precision tasks.

Steel vs Ceramic Bearings: Strengths of 68450-68709 Bearing

68450-68709 Bearing uses chrome steel for both rollers and rings, balancing cost and performance.
This material choice provides excellent durability and load-bearing capacity without excessive weight.
The open design simplifies lubrication, ensuring smooth operation over long periods.
Ideal for applications where reliability and ease of maintenance are key.

Application

Industrial Uses of 68450-68709 Bearing
This tapered roller bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its combined load capacity handles both radial and axial forces efficiently. The chrome steel construction ensures durability in tough working conditions.

Where Is 68450-68709 Bearing Used?
You’ll often find this bearing in automotive applications, particularly in wheel hubs and differential systems, thanks to its reliable performance under high stress. Its inch sizing makes it a good fit for American-made vehicles and machinery.

Built for Heavy-Duty Use: 68450-68709 Bearing
In industrial settings like conveyor systems and mining equipment, this bearing’s single-row design simplifies maintenance while providing steady operation. The steel cage adds extra strength, making it suitable for prolonged use.

Automotive vs Aerospace: Applications of 68450-68709 Bearing
While it’s popular in truck axles and off-road vehicles, this bearing also sees use in aerospace ground support equipment. Its ABEC-1 rating ensures consistent performance without over-engineering for less critical applications.

Perfect Fit for Automation: 68450-68709 Bearing
In automated production lines, this bearing supports robotic arms and assembly systems with smooth, low-friction rotation. The standard radial clearance offers a balance of precision and ease of installation.

Q&A

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