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TS (Single Row Tapered Roller Bearings) (Imperial) 642-634W

TS (Single Row Tapered Roller Bearings) (Imperial) 642-634W

The 642-634W is a single-row tapered roller bearing with a 2.6875″ bore and 5.375″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 52400 lbf radially and 8420 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, wheel hubs, or machinery where combined loads are common.

Weighing 6.3 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice.

The standard radial clearance (with options for C3/C4/C5) ensures flexibility in different setups. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Perfect for maintenance or new installations where durability and load capacity are key. The tapered roller design efficiently manages both radial and thrust forces in one compact unit.

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Product Parameters

  • Part Number 642-634W
  • Brand TFL
  • Interchangeable Timken
  • Size 2.6875" x 5.375" x 1.7814"
  • Bore Dia 2.6875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.375"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.4063"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.7814"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 3.74"
  • Cone Backface Backing Diameter 3.35"
  • Cup Frontface Backing Diameter 4.96"
  • Cup Backface Backing Diameter 4.80"
  • 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 634W
  • 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 6.3 lb

Features

Performance Features of 642-634W Bearing

642-634W Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 52,400 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Does 642-634W Bearing Reduce Friction?

642-634W Bearing features a tapered roller design that minimises friction during operation.
The chrome steel construction ensures smooth movement even under high radial or thrust loads.
Its effective lubrication system helps maintain performance over extended periods.
The standard radial clearance options allow for optimal fit in different applications.

Engineered for Precision: 642-634W Bearing

642-634W Bearing’s single row tapered roller design provides precise load distribution.
With an ABEC-1 rating, it delivers consistent performance in industrial applications.
The precise tolerances on bore and outer diameters ensure proper fit and alignment.
Its dynamic thrust rating of 8,420 lbf at 90 million revolutions demonstrates long-term reliability.

Steel vs Ceramic Bearings: Strengths of 642-634W Bearing

642-634W Bearing uses chrome steel for both rollers and rings, offering excellent durability.
This material choice provides good resistance to wear while maintaining cost-effectiveness.
The steel cage further enhances the bearing’s structural integrity under heavy loads.
With a static radial load capacity of 67,000 lbf, it outperforms many alternatives in its class.

Application

Industrial Uses of 642-634W Bearing
The 642-634W 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.

Where Is 642-634W Bearing Used?
You’ll often find the 642-634W Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for vehicles requiring imperial measurements.

Built for Heavy-Duty Use: 642-634W Bearing
This bearing excels in industrial settings like conveyor systems, where its high dynamic radial load capacity keeps operations smooth. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 642-634W Bearing
In automotive systems, the 642-634W Bearing supports wheel assemblies, while in aerospace, it’s used in auxiliary equipment. Its ABEC-1 rating ensures consistent performance across different industries.

Key Fields for 642-634W Bearing
The 642-634W Bearing is ideal for mining equipment, where its robust design withstands harsh conditions. Its standard radial clearance offers flexibility for various load requirements.

Q&A

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