KOYO Bearings

KOYO bearings 23184RHAK

Model:23184RHAK


Dimensions(mm):420x700x224mm


Email:skfnskoyo@gmail.com


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Description

200rr-koyo
Japan’s koyo  bearing
 company produces tens of thousands of high-precision and high-quality Koyo bearing series products), providing information about aerospace technology, computer components, motors, high-speed trains, MRT trains, industrial machinery, CNC lathes, high-precision machining machines, automobile, locomotive industry, steel industry And other important components to make the best choice.

Of course. The code 23184RHAK refers to a specific KOYO tapered roller bearing, and the "K" suffix adds a crucial piece of information.

Here is the detailed breakdown:

KOYO Bearing 23184RHAK

  • Manufacturer: KOYO (a major Japanese bearing manufacturer, now part of JTEKT Corporation).

  • Type: Tapered Roller Bearing. Designed to handle heavy combined radial and axial loads.

  • Series: The prefix 23184 defines the bore size and external dimensions.

    • The "2" signifies a metric tapered roller bearing.

    • The "3" indicates a wide contact angle, optimized for heavy axial loads.

    • The number "184" specifies the bore size and the overall dimensions.

  • Bore Diameter: The bore size (inner diameter) for this bearing is 420 mm. This is calculated from the last two digits of the basic number ("84") using a standard formula for large bore bearings.

  • Suffix: The suffix RHAK provides details on the bearing's design:

    • R: Indicates a flanged outer ring (cup). The flange aids in axial location and simplifies installation in the housing.

    • HA: Signifies that the rollers and cone (inner ring) are made from case-hardened steel. This provides a hard, wear-resistant surface with a tough, shock-resistant core.

    • K: This is the most important suffix for installation. The "K" indicates that the bearing has a tapered bore. The bore is not cylindrical; it is ground to a slight taper (usually a 1:12 ratio).


Key Specifications (Approximate Dimensions)

The dimensions are identical to the 23184RHA, except for the bore design.

DimensionValue (mm)Value (inches)
Bore Diameter (d)420 mm (Tapered)16.5350 in
Outer Diameter (D)700 mm27.5591 in
Width (T)~ 224 mm~ 8.8189 in
Taper1:12 (Standard)
Weight~ 192 kg~ 423 lbs

Crucial Note: The "K" suffix means the bore is tapered. The specified bore diameter (420mm) is a nominal size. The actual diameter will vary along the length of the bore.


The Significance of the "K" Tapered Bore

A tapered bore is designed for use with an adapter or withdrawal sleeve. This allows for:

  1. Easier Installation and Removal: The bearing can be positioned onto a straight shaft using the sleeve, which is then tightened to create a secure, interference fit.

  2. Precise Axial Positioning: By driving the bearing further onto the tapered sleeve, the internal clearance of the bearing can be adjusted to an optimal setting.

  3. Secure Fit on Solid Shafts: It provides a method for achieving a tight fit without requiring a tapered shaft itself.

Common Applications

This bearing is used in the same heavy-duty applications as the 23184RHA, but specifically where the design calls for a tapered bore mounting system:

  • Mining and Construction Equipment: Crushers, large conveyors, excavators.

  • Industrial Fans and Blowers.

  • Large Gearboxes and Power Transmission Systems.

  • Paper Mill Machinery.

How to Find More Information or a Replacement

  1. Cross-Reference: This bearing can be cross-referenced with Timken 23184RHAKNSK 23184RHAK, or NTN 23184RHAK. The "K" suffix is critical here, as it is not a direct replacement for a bearing with a cylindrical bore (like the 23184RHA).

  2. Search Online: Use the full part number "23184RHAK" in your search. You will need to pair it with the appropriate adapter sleeve (e.g., an H-234816 sleeve for a 420mm bore).

  3. Consult a Catalog: Always refer to the official KOYO Tapered Roller Bearing catalog for precise dimensions, load ratings, and specific instructions on the required adapter sleeve and installation procedures.

In summary, the KOYO 23184RHAK is identical to the 23184RHA in size and basic construction but features a tapered bore designed for mounting onto a straight shaft using an adapter sleeve.


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Jinan IUA Bearing Co., LTD

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