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1970 Honda CB450K Wheel Bearings, Seals & Retainers

Identify the hub fitted to your 1970 CB450K and the position being serviced before choosing a bearing, seal or retainer. Front and rear retainers have different references. Compare the bearing marking and rear seal dimensions, then verify the supplied quantities needed for the job.

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Currently viewing Rims, Spokes, Wheel Seals & Tire Valve Stems

Honda motorcycle parts

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Honda CB900 CB750 CB650 front wheel bearing retainer 44643-300-000

Honda CB Front Wheel Bearing Retainer ~ Replaces 44643-300-000

$16.95 USD
28-4016
Replace your front wheel bearing retainer with this Front Wheel Bearing Retainer, replacing OEM #44643-300-000. Exceptionally broad fitment across the SOHC and DOHC CB750...
Honda CB1100 CB1000 CB900 CB750 CB650 6302-2RS front wheel bearing

Honda CB 6302-2RS Front Wheel Bearing

$14.95 USD
28-6302
Replace your front wheel bearing with this 6302-2RS Front Wheel Bearing with 2 synthetic shields. High quality, made in Japan.2 used per front, order...
New
Honda CB750 CB500 CB450 rear wheel bearing retainer 41231-283-000

Honda CB Rear Wheel Bearing Retainer ~ Replaces 41231-283-000

$26.95 USD
28-4015
Replace your rear wheel bearing retainer with this Rear Wheel Bearing Retainer (sprocket side), replacing OEM #41231-283-000. Used on the sprocket side of the...
Honda CB650 CB550 CB500 CB450 rear wheel seal 34 x 55 x 9

Honda CB650 / CB550 / CB500 / CB450 Rear Wheel Seal ~ 34 x 55 x 9

$5.95 USD
27-9042
Replace your CB650, CB500T/CB550, or CB450K rear wheel seal with this Rear Wheel Seal, 1 piece, 34 x 55 x 9mm. Made in Japan...
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1970 Honda CB450K · Rims, Spokes, Wheel Seals & Tire Valve Stems Buying guide

Keep front and rear hub service components separate

The front bearing is specified as 6302-2RS. Front retainer 44643-300-000 differs from rear sprocket-side retainer 41231-283-000. The rear seal measures 34 × 55 × 9mm with one piece supplied. Compare the fitted hub before choosing the parts.

Parts to consider

Honda CB 6302-2RS Front Wheel Bearing 6302-2RS front bearingFront wheel bearing with two required per front wheel stated. Confirm supplied quantity per order; that required count does not clearly establish package contents.View part Honda CB Front Wheel Bearing Retainer ~ Replaces 44643-300-000 Front wheel bearing retainerFront retainer replacing 44643-300-000. Compare the removed retaining component and installed hub; the listing does not state that a bearing comes with it.View part Honda CB650 / CB550 / CB500 / CB450 Rear Wheel Seal ~ 34 x 55 x 9 34 × 55 × 9mm rear sealRear wheel seal with one piece expressly supplied. Compare the dimensions and rear hub actually fitted, especially after a wheel change.View part

Related parts: Sprocket-side rear bearing retainer

Choose the retainer for the wheel being worked on

The front retainer and sprocket-side rear retainer identify different positions and replacement numbers. Compare the removed component and the actual hub before selecting. A shared bearing-retainer description does not establish interchangeability, and neither listing confirms a replacement wheel bearing supplied with its retaining part.

Confirm the bearing pack before calculating the purchase quantity

The front bearing listing gives two required per front wheel, without a clear supplied count per order. Confirm that count before buying for both positions. The rear seal description explicitly supplies one piece; keep each product’s contents with its own application rather than transferring quantities between service parts.

CB450K buying questions

Can the front and rear retainers be substituted for one another?

The front retainer references 44643-300-000, while the rear sprocket-side retainer references 41231-283-000. They are listed for different positions. Compare the fitted hub and removed component rather than assuming that similar product names establish interchangeability.

Does choosing a retainer also provide the wheel bearing?

The front and rear products describe bearing retainers, without confirming a bearing supplied. Inspect the bearings as separate components and choose any needed bearing purchase independently. A correctly identified retainer does not establish a complete hub service package.

Does the rear seal size confirm a front hub application too?

The 34 × 55 × 9mm seal is specifically listed for the rear wheel. A front application is not confirmed. Identify the front seal required by the hub actually fitted and compare its specification before choosing a seal for another position.

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