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TS (Single Row Tapered Roller Bearings) (Imperial) 642-633

TS (Single Row Tapered Roller Bearings) (Imperial) 642-633

The 642-633 is a single-row tapered roller bearing with a 2.6875″ bore and 5.125″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 52400 lbf radially and 8420 lbf thrust, making it suitable 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, gearboxes, or automotive systems where combined loads are common.

Weighing 5.1 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for various environments. The standard radial clearance ensures flexibility for different applications.

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Product Parameters

  • Part Number 642-633
  • Brand TFL
  • Interchangeable Timken
  • Size 2.6875" x 5.125" x 1.625"
  • Bore Dia 2.6875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.25"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.625"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 3.74"
  • Cone Backface Backing Diameter 3.35"
  • Cup Frontface Backing Diameter 4.89"
  • Cup Backface Backing Diameter 4.57"
  • Cage Cone Frontface Clearance 0.1"
  • Cage Cone Backface Clearance 0.15"
  • Effective Center Location -0.44"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 642
  • Cup Part Number 633
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 635
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 52400 lbf
  • Static Radial Load 67000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 13600 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 8420 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 642-633 Bearing Engineered for Reliability?

642-633 Bearing features chrome steel rings and rollers, providing robust resistance to combined loads.
Its dynamic radial load capacity reaches 52,400 lbf, ensuring dependable performance in tough conditions.

The steel cage maintains roller alignment, reducing friction and enhancing longevity.
With a temperature range of -30° to 110°C, it performs reliably in varied environments.

642-633 Bearing’s standard radial clearance offers flexibility for different applications.
Its ABEC-1 rating ensures consistent precision for industrial use.

Application

Industrial Uses of 642-633 Bearing
The 642-633 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in tough working conditions.

Where Is 642-633 Bearing Used?
You’ll often find the 642-633 Bearing in automotive axles and wheel hubs, providing reliable support under both radial and thrust loads. Its inch sizing makes it a good fit for American-made vehicles and industrial systems.

Built for Heavy-Duty Use: 642-633 Bearing
In conveyor systems and mining equipment, the 642-633 Bearing stands up to constant use thanks to its robust steel cage and high load capacity. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 642-633 Bearing
While the 642-633 Bearing is popular in truck transmissions, it’s also suitable for aerospace ground support equipment where precision and reliability matter. The ABEC-1 rating ensures consistent performance across different applications.

Perfect Fit for Automation: 642-633 Bearing
The 642-633 Bearing works well in automated assembly lines, where its tapered rollers provide smooth motion control. Its standard radial clearance options make it adaptable to various precision needs.

Q&A

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