+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 639-632A

TS (Single Row Tapered Roller Bearings) (Imperial) 639-632A

The 639-632A is a single-row tapered roller bearing with a 2.5″ bore and 5.375″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 62100 lbf radially and 9980 lbf thrust, making it versatile for heavy-duty use.

Its open design allows for easy lubrication, while the steel cage ensures durability. 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 applications like truck axles or industrial gearboxes where robust performance is needed.

Weighing 6.5 lb, it’s built to last while meeting RoHS and REACH standards for safety and compliance.

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

Product Parameters

  • Part Number 639-632A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.5" x 5.375" x 1.6251"
  • Bore Dia 2.5"
  • 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 1.5625"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.6251"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 3.54"
  • Cone Backface Backing Diameter 3.19"
  • Cup Frontface Backing Diameter 5.04"
  • Cup Backface Backing Diameter 4.65"
  • 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 639
  • Cup Part Number 632A
  • 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 62100 lbf
  • Static Radial Load 67000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 16100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 9980 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 6.5 lb

Features

Performance Features of 639-632A Bearing

639-632A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 62,100 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a standard radial clearance option, it provides flexibility for various operating conditions.

How Is 639-632A Bearing Engineered for Reliability?

639-632A Bearing features a single-row tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction ensures durability, even in demanding environments.
Its effective centre location of -0.44″ enhances stability during operation.
The bearing operates within a temperature range of -30° to 110°C, maintaining performance in varied conditions.

Built for Durability: 639-632A Bearing

639-632A Bearing’s tapered roller design distributes loads evenly across its surfaces.
The steel cage provides robust support, preventing roller misalignment under stress.
With a static radial load capacity of 67,000 lbf, it handles heavy loads reliably.
Its ABEC-1 rating ensures consistent precision in industrial applications.

Steel vs Ceramic Bearings: Strengths of 639-632A Bearing

639-632A Bearing uses chrome steel for both rings and rollers, offering excellent strength-to-weight ratio.
This material choice provides better impact resistance compared to ceramic alternatives in heavy-load scenarios.
The bearing’s 6.5 lb weight balances durability with manageable installation requirements.
Its standard lubrication needs make maintenance straightforward for most industrial uses.

Application

Industrial Uses of 639-632A Bearing
The 639-632A Bearing is commonly used in heavy machinery like conveyor systems and industrial gearboxes, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

Where Is 639-632A Bearing Used?
You’ll often find 639-632A Bearing in automotive applications, particularly in wheel hubs and differential systems, thanks to its ability to manage both radial and thrust loads. The inch sizing makes it a good fit for North American vehicle designs.

Built for Heavy-Duty Use: 639-632A Bearing
In agricultural equipment, 639-632A Bearing excels in tractors and harvesters, where its robust steel cage withstands high loads and rough conditions. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 639-632A Bearing
While 639-632A Bearing is popular in automotive systems, it’s also suitable for aerospace ground support equipment, where precision and reliability are key. The ABEC-1 rating ensures consistent performance without over-engineering.

Perfect Fit for Automation: 639-632A Bearing
In automated production lines, 639-632A Bearing supports robotic arms and assembly systems, offering smooth operation under varying loads. Its standard radial clearance balances performance and ease of installation.

Q&A

SEND INQUIRY