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TS (Single Row Tapered Roller Bearings) (Imperial) 4375-4320

TS (Single Row Tapered Roller Bearings) (Imperial) 4375-4320

The 4375-4320 is a single-row tapered roller bearing with a 1.5″ bore and 3.4843″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 44700 lbf and works well in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing is interchangeable with Timken models, making it a practical choice for replacements.

With standard radial clearance and ABEC-1 rating, it offers reliable performance for industrial applications. Ideal for gearboxes or machinery where combined radial and thrust loads are present.

Weighing 2.7lb, it balances strength and manageability for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 4375-4320
  • Brand TFL
  • Interchangeable Timken
  • Size 1.5" x 3.4843" x 1.5626"
  • Bore Dia 1.5"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.4843"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.59"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.3125"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.5626"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.01"
  • Cone Backface Backing Diameter 2.09"
  • Cup Frontface Backing Diameter 3.34"
  • Cup Backface Backing Diameter 2.99"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.59"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 4375
  • Cup Part Number 4320
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 4300
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 44700 lbf
  • Static Radial Load 45900 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 11600 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5640 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 2.700 lb

Features

How Does 4375-4320 Bearing Handle Combined Loads?

4375-4320 Bearing is crafted with chrome steel rings and rollers, offering robust performance under combined radial and thrust loads.
Its dynamic radial load capacity reaches 44,700 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, enhancing durability and reducing friction.
With a standard radial clearance, it provides reliable operation in various industrial settings.

What Makes 4375-4320 Bearing Suitable for High-Temperature Applications?

4375-4320 Bearing operates efficiently in temperatures ranging from -30° to 110°C, thanks to its chrome steel construction.
The open design allows for easy lubrication, ensuring smooth performance even in demanding conditions.
Its tapered roller design distributes loads evenly, reducing heat buildup.
This makes it a dependable choice for applications requiring consistent performance under thermal stress.

Engineered for Precision: 4375-4320 Bearing

4375-4320 Bearing features precise tolerances, with bore diameter accuracy within +0.005″ to 0.
The tapered roller design ensures optimal load distribution, enhancing operational stability.
Its ABEC-1 rating guarantees consistent performance for general industrial use.
The standard radial clearance option allows for flexibility in various applications.

Application

Industrial Uses of 4375-4320 Bearing
The 4375-4320 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 4375-4320 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it a straightforward replacement for Timken equivalents in older vehicles.

For industrial conveyor systems, 4375-4320 Bearing’s open design simplifies lubrication and maintenance, reducing downtime. Its standard radial clearance offers flexibility for different operational needs.

What Makes 4375-4320 Bearing a Preferred Choice?
The 4375-4320 Bearing stands out in applications like gearboxes and power transmission units, thanks to its balanced load capacity. Its steel cage adds robustness without compromising smooth operation.

In mining equipment, 4375-4320 Bearing’s ability to handle high radial and thrust loads makes it a dependable component. The ABEC-1 rating ensures consistent performance without over-engineering for most industrial uses.

Built for Heavy-Duty Use: 4375-4320 Bearing
The 4375-4320 Bearing excels in forestry machinery, where its tapered rollers manage uneven loads and shock resistance. Its temperature range suits both cold and moderately hot working conditions.

For railway applications, 4375-4320 Bearing’s reliability in axle boxes ensures smooth rides under heavy loads. The standard radial clearance adapts well to thermal expansion during long hauls.

Automotive vs Aerospace: Applications of 4375-4320 Bearing
In automotive settings, 4375-4320 Bearing is ideal for drivetrain components, offering a balance of strength and precision. Its compatibility with Timken designs simplifies sourcing for repairs.

For aerospace ground support equipment, 4375-4320 Bearing’s durability meets the demands of frequent use. However, its ABEC-1 rating makes it more suited for auxiliary systems than flight-critical parts.

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