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645 Single Cones (Imperial)
645 Single Cones (Imperial)

645 Single Cones (Imperial)

The 645 single cones are tapered roller bearings with a 2.8125-inch bore, designed for combined loads. Made from durable chrome steel, they handle dynamic radial loads up to 62100 lbf and static loads of 67000 lbf.

Their open design allows easy maintenance, while the steel cage ensures reliable performance. The bearings operate smoothly in temperatures from -30°C to 110°C, making them versatile for various conditions.

These cones are interchangeable with Timken bearings, offering a practical replacement option. Ideal for heavy-duty applications like industrial machinery or vehicle axles where combined loads are common.

Compliant with RoHS and REACH standards, they provide a safe and robust solution for demanding environments.

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Product Parameters

  • Part Number 645
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 645-632 , 645-632A , 645-633 , 645-634W , 645-632-B
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 635
  • Bore Dia 2.8125"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 1.625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.25"
  • Cone Frontface Backing Diameter 3.19"
  • Cone Backface Backing Diameter 3.66"
  • Cage Cone Frontface Clearance 0.1"
  • Cage Cone Backface Clearance 0.15"
  • Effective Center Location -0.44"
  • Ring 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 Radial Rating(Two Row 1 Million Revolutions)(C1) 108000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 9980 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 28000 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

How Does 645 Bearing Handle Combined Loads?

645 Bearing is built with chrome steel rings and a steel cage, designed to manage both radial and thrust loads efficiently.
Its dynamic radial load capacity reaches 62,100 lbf, ensuring reliable performance in heavy-duty applications.
The tapered roller design provides smooth operation and reduces friction, extending the bearing’s service life.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.

What Makes 645 Bearing Suitable for Heavy-Duty Applications?

645 Bearing features a single-row tapered roller construction, ideal for handling combined loads.
The chrome steel material enhances durability, while the steel cage maintains roller alignment.
Its dynamic thrust rating of 9,980 lbf ensures consistent performance under demanding conditions.
The standard radial clearance allows for flexibility in different operational setups.

Engineered for Precision: 645 Bearing

645 Bearing’s tapered roller design ensures precise load distribution and reduced friction.
The effective center location of -0.44″ enhances stability and alignment in machinery.
With an ABEC-1 rating, it meets precision standards for various industrial applications.
The open seal type simplifies maintenance and inspection processes.

Built for Reliability: 645 Bearing

645 Bearing’s chrome steel construction provides excellent resistance to wear and fatigue.
Its static radial load capacity of 67,000 lbf ensures long-term reliability in heavy loads.
The steel cage design minimises roller misalignment, promoting smooth operation.
Operating within a wide temperature range, it adapts to diverse working environments.

Performance Features of 645 Bearing

645 Bearing offers a dynamic radial rating of 16,100 lbf for 90 million revolutions.
The tapered roller design efficiently manages combined loads with minimal friction.
Its cone width tolerance of +0.003″ to -0.01″ ensures precise fit and performance.
Compliant with RoHS and REACH standards, it meets environmental and safety regulations.

Application

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

Where Is 645 Bearing Used?
You’ll often find 645 Bearing in agricultural machinery, such as tractors and harvesters, where it supports high radial and thrust loads. Its open seal design allows for easy lubrication in dusty environments.

Built for Heavy-Duty Use: 645 Bearing
645 Bearing excels in industrial gearboxes, providing reliable performance under constant stress. The steel cage adds strength, making it suitable for long-term use in demanding applications.

Automotive vs Aerospace: Applications of 645 Bearing
In automotive systems, 645 Bearing is ideal for wheel hubs and differentials, offering smooth operation. While not typically used in aerospace, its precision makes it a solid choice for ground support equipment.

Perfect Fit for Automation: 645 Bearing
645 Bearing works well in conveyor systems and robotic arms, where its tapered rollers ensure precise movement. The standard radial clearance options make it adaptable to various automation needs.

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