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TS (Single Row Tapered Roller Bearings) (Imperial) 645-632

TS (Single Row Tapered Roller Bearings) (Imperial) 645-632

The 645-632 is a single-row tapered roller bearing with a 2.8125″ bore and 5.375″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 62,100 lbf and is designed for long-lasting performance.

Its open design allows for easy lubrication, while the steel cage ensures stability under heavy loads. The bearing operates smoothly in temperatures from -30°C to 110°C.

This model is interchangeable with Timken bearings, making it a reliable choice for replacements. Ideal for applications like heavy machinery or automotive systems where combined loads are common.

Weighing 5.6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 645-632
  • Brand TFL
  • Interchangeable Timken
  • Size 2.8125" x 5.375" x 1.625"
  • Bore Dia 2.8125"
  • 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 1.25"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.625"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 3.87"
  • Cone Backface Backing Diameter 3.66"
  • Cup Frontface Backing Diameter 4.96"
  • 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 645
  • Cup Part Number 632
  • 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 5.6 lb

Features

Performance Features of 645-632 Bearing

645-632 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 62,100 lbf, making it suitable for heavy-duty applications.
The steel cage maintains roller alignment, ensuring smooth operation and reduced wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 645-632 Bearing Engineered for Reliability?

645-632 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction enhances durability, while the standard radial clearance allows for flexibility.
Its effective centre location of -0.44″ ensures stable performance under stress.
This bearing meets ABEC-1 standards, balancing precision and cost-effectiveness.

Optimized for Efficiency: 645-632 Bearing

645-632 Bearing’s tapered roller design minimises friction, improving energy efficiency.
The steel cage provides robust support, extending the bearing’s operational life.
With a static radial load capacity of 67,000 lbf, it handles demanding industrial tasks.
Its open seal type simplifies maintenance, reducing downtime.

Application

Industrial Uses of 645-632 Bearing
The 645-632 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 645-632 Bearing Used?
You’ll often find the 645-632 Bearing in automotive applications, particularly in wheel hubs and drivetrains, where its high load capacity and stability are essential. The inch sizing makes it a good fit for North American vehicle designs.

Built for Heavy-Duty Use: 645-632 Bearing
In industrial settings, the 645-632 Bearing excels in conveyor systems and gearboxes, thanks to its robust steel cage and tapered roller design. Its standard radial clearance allows for smooth operation under varying loads.

Automotive vs Aerospace: Applications of 645-632 Bearing
While the 645-632 Bearing is popular in automotive wheel assemblies, it’s also suitable for aerospace ground support equipment. Its ABEC-1 rating ensures reliable performance without over-engineering for less critical applications.

Perfect Fit for Automation: 645-632 Bearing
The 645-632 Bearing works well in automated machinery, such as packaging lines, where its consistent performance and easy lubrication maintenance are valued. The open seal design simplifies inspections and servicing.

Q&A

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