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

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

The 645-632A is a single-row tapered roller bearing with a 2.8125″ bore and 5.375″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 62100 lbf radially and 9980 lbf in thrust, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. 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 industrial machinery, gearboxes, or automotive systems where combined loads are common.

Weighing 5.9 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments. The standard radial clearance ensures easy installation and maintenance.

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Product Parameters

  • Part Number 645-632A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.8125" x 5.375" x 1.6251"
  • 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 1.5625"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.6251"
  • 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 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 645
  • 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 5.9 lb

Features

Performance Features of 645-632A Bearing

645-632A Bearing is constructed with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 62,100 lbf, making it suitable for heavy-duty applications.

The single-row tapered roller design ensures effective load distribution, enhancing durability.
With a standard radial clearance, it provides reliable operation in various industrial settings.

645-632A Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
The steel cage maintains roller alignment, reducing friction and extending service life.

This bearing requires lubrication, but its design simplifies maintenance and improves efficiency.
Its ABEC-1 rating ensures consistent performance for precision applications.

Application

Industrial Uses of 645-632A Bearing
645-632A Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is 645-632A Bearing Used?
You’ll often find 645-632A Bearing in automotive applications, particularly in wheel hubs and drivetrains, thanks to its reliable performance under radial and thrust loads. Its imperial sizing makes it a good fit for North American vehicle designs.

Built for Heavy-Duty Use: 645-632A Bearing
645-632A Bearing works well in industrial fans and pumps, where its open design allows for easy lubrication and maintenance. The steel cage adds extra strength for high-load scenarios.

Automotive vs Aerospace: Applications of 645-632A Bearing
In automotive systems, 645-632A Bearing supports wheel assemblies, while in aerospace, it’s used in auxiliary gearboxes. The ABEC-1 rating ensures consistent performance across different environments.

Essential Roles of 645-632A Bearing
645-632A Bearing is a go-to choice for conveyor systems in mining operations, where its tapered rollers manage heavy radial loads. The standard radial clearance offers flexibility for various installation requirements.

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