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TS (Single Row Tapered Roller Bearings) (Imperial) 65385-65321

TS (Single Row Tapered Roller Bearings) (Imperial) 65385-65321

The 65385-65321 is a single-row tapered roller bearing with a 1.75″ bore and 4.5″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 50300 lbf radially and 9600 lbf thrust, making it robust for heavy-duty use.

Its open design allows easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for various industrial conditions.

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

Weighing 5.1 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 65385-65321
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 4.5" x 1.75"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.5"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.75"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.75"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.36"
  • Cone Backface Backing Diameter 2.64"
  • Cup Frontface Backing Diameter 4.25"
  • Cup Backface Backing Diameter 3.90"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.12"
  • Effective Center Location -0.49"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 65385
  • Cup Part Number 65321
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 65300
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 50300 lbf
  • Static Radial Load 57500 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 13000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 9600 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 5.1 lb

Features

How Is 65385-65321 Bearing Engineered for Reliability?

65385-65321 Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 50,300 lbf, making it suitable for heavy-duty applications.

The tapered roller design distributes loads evenly, reducing stress and extending service life.
With a standard radial clearance, it offers reliable performance in various operating conditions.

65385-65321 Bearing operates within a temperature range of -30° to 110°C, maintaining stability in diverse environments.
The steel cage keeps rollers aligned, minimising wear and ensuring smooth operation.

This bearing requires lubrication but is built for long-lasting performance with minimal maintenance.
Its ABEC-1 rating ensures consistent precision for industrial applications.

Application

Industrial Uses of 65385-65321 Bearing
65385-65321 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is 65385-65321 Bearing Used?
You’ll often find 65385-65321 Bearing in automotive applications like truck wheel hubs, where its high dynamic radial load capacity keeps things running smoothly. Its inch sizing makes it a natural fit for North American vehicles.

Built for Heavy-Duty Use: 65385-65321 Bearing
65385-65321 Bearing excels in industrial fans and pumps, thanks to its robust steel cage and tapered rollers. The open design simplifies lubrication, extending service life in high-temperature settings.

Automotive vs Aerospace: Applications of 65385-65321 Bearing
In automotive systems, 65385-65321 Bearing supports drivetrain components, while its precision makes it suitable for aerospace landing gear assemblies. The ABEC-1 rating balances performance and cost effectively.

Essential Roles of 65385-65321 Bearing
65385-65321 Bearing is a reliable choice for mining equipment, where its static radial load capacity withstands extreme conditions. The standard radial clearance ensures consistent performance across temperature variations.

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