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M86643 Single Cones (Imperial)
M86643 Single Cones (Imperial)

M86643 Single Cones (Imperial)

The M86643 is a single-row tapered roller bearing cone with a 1-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 13500 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design allows easy maintenance, while the steel cage ensures reliable performance. The cone width of 0.8438 inches fits snugly in most applications, with standard radial clearance options available.

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

Compliant with RoHS and REACH standards, it offers a balance of strength and versatility for industrial use. The ABEC-1 rating ensures consistent performance in demanding conditions.

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Product Parameters

  • Part Number M86643
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number M86643-M86610
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series M86600
  • Bore Dia 1"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 0.8438"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 1.44"
  • Cone Backface Backing Diameter 1.5"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0.03"
  • Effective Center Location -0.13"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 13500 lbf
  • Static Radial Load 16100 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 3510 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 23600 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3280 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 6110 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

What Makes M86643 Bearing Suitable for High-Temperature Applications?

M86643 Bearing is constructed from chrome steel, ensuring durability in temperatures ranging from -30° to 110°C.
Its single-row tapered roller design efficiently handles combined loads, making it versatile for various applications.
The steel cage maintains proper roller alignment, reducing friction and wear.
With a dynamic radial load capacity of 13,500 lbf, it offers reliable performance under stress.

How Is M86643 Bearing Engineered for Reliability?

M86643 Bearing features a tapered roller design, optimised for combined load handling in industrial settings.
Its chrome steel construction provides excellent resistance to wear and fatigue.
The standard radial clearance ensures smooth operation, while the steel cage enhances stability.
With an ABEC-1 rating, it balances precision and cost-effectiveness for general applications.

Performance Features of M86643 Bearing

M86643 Bearing’s tapered rollers distribute loads evenly, reducing stress on individual components.
The chrome steel rings and steel cage work together to extend the bearing’s service life.
Its dynamic radial load rating of 13,500 lbf ensures reliable performance in demanding conditions.
The open seal design allows for easy inspection and maintenance when required.

Why Choose M86643 Bearing for Precision Tasks?

M86643 Bearing’s tapered roller design ensures accurate load distribution, ideal for precision applications.
The chrome steel construction resists wear, maintaining performance over time.
With a static radial load capacity of 16,100 lbf, it handles heavy loads without compromising precision.
Its standard radial clearance option provides flexibility for different operational needs.

Built for Durability: M86643 Bearing

M86643 Bearing’s robust chrome steel construction withstands heavy combined loads and harsh conditions.
The steel cage keeps rollers aligned, minimising friction and prolonging service life.
Its dynamic radial rating of 13,500 lbf ensures reliable operation in demanding environments.
The bearing maintains performance across a wide temperature range, from -30° to 110°C.

Application

Industrial Uses of M86643 Bearing
M86643 Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads effectively. The open seal type allows for easy lubrication, extending its service life in demanding conditions.

Where Is M86643 Bearing Used?
You’ll often find M86643 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a perfect fit for American and British vehicle models, ensuring smooth performance under radial and thrust loads.

Built for Heavy-Duty Use: M86643 Bearing
M86643 Bearing excels in industrial gearboxes, where its chrome steel construction withstands high dynamic loads. The steel cage provides added durability, making it reliable for continuous operation in harsh environments.

Automotive vs Aerospace: Applications of M86643 Bearing
In automotive systems, M86643 Bearing supports wheel assemblies, while in aerospace, it’s used in landing gear mechanisms. Its ABEC-1 rating ensures consistent performance across both high-precision and heavy-load scenarios.

Essential Roles of M86643 Bearing
M86643 Bearing plays a key role in agricultural machinery, such as tractors and harvesters. Its standard radial clearance allows for smooth rotation even when dealing with uneven loads and vibrations.

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