+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 68450-68712RB

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

The 68450-68712RB 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 versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. 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 industrial machinery or automotive systems where combined loads are common.

Weighing 6.4 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 68450-68712RB
  • 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 68712RB
  • 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 68450-68712RB Bearing

68450-68712RB Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 52,100 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 68450-68712RB Bearing Resist Wear?

68450-68712RB Bearing’s tapered roller design distributes loads evenly, minimising wear over time.
The chrome steel construction provides excellent hardness and resistance to surface fatigue.
Its standard radial clearance options allow for optimal performance in different applications.
This design ensures long service life even under continuous heavy loads.

Engineered for Precision: 68450-68712RB Bearing

68450-68712RB Bearing features precise cone and cup dimensions for accurate alignment during installation.
The effective center location of 0.21″ ensures stable operation under combined loads.
With ABEC-1 rating, it maintains consistent performance in industrial applications.
The open design allows for easy lubrication, keeping operations smooth.

Steel vs Ceramic Bearings: Strengths of 68450-68712RB Bearing

68450-68712RB Bearing uses chrome steel for both rings and rollers, providing excellent strength-to-weight ratio.
This material choice offers better impact resistance compared to ceramic alternatives in heavy-load scenarios.
The steel cage maintains structural integrity under high temperatures up to 110°C.
At 6.4 lb, it balances durability with manageable weight for industrial use.

Application

Industrial Uses of 68450-68712RB Bearing
68450-68712RB Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 68450-68712RB Bearing fits well in 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 conveyor systems, 68450-68712RB Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds stability, reducing wear over time.

What Makes 68450-68712RB Bearing a Preferred Choice?
68450-68712RB Bearing works well in agricultural machinery, such as tractors, where its robust design withstands rough terrain. The standard radial clearance ensures smooth rotation under heavy loads.

In mining equipment, 68450-68712RB Bearing’s high dynamic load capacity makes it suitable for crushers and screens. Its compatibility with Timken models simplifies replacements and maintenance.

Built for Heavy-Duty Use: 68450-68712RB Bearing
68450-68712RB Bearing is ideal for gearboxes in industrial settings, where precision and reliability are key. The tapered rollers distribute loads evenly, reducing stress on components.

For railway applications, 68450-68712RB Bearing provides consistent performance in axle boxes. Its temperature range allows operation in diverse climates without compromising efficiency.

Automotive vs Aerospace: Applications of 68450-68712RB Bearing
In automotive drivetrains, 68450-68712RB Bearing handles high torque and radial loads smoothly. The ABEC-1 rating ensures sufficient precision for most vehicle needs.

For aerospace ground support equipment, 68450-68712RB Bearing offers reliability in load-handling systems. Its chrome steel rollers resist wear, even with frequent use.

Q&A

SEND INQUIRY