Honda
NOS Honda CA72 CA77 CB72 CB77 Crankshaft Ball Bearing 91001-259-010 P3277
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NOS (New Old Stock) Honda CA72 CA77 CB72 CB77 Crankshaft Ball Bearing 91001-259-010Please check the measurement of 75mm OD X 30mm ID X 19mm depth against the part you are replacingThis bearing (marked B30‑35A, size 30×75×19 mm) is used in the left‑side crankshaft of several 1960s Honda twin‑cylinder motorcycles, including:Honda CB72 (Hawk)Honda CB77 (Super Hawk)Honda C72 / CA72 / C77 / CA77 (Dream series)These models are explicitly listed as fits for the B30‑35A version of the 6306 bearing. Why it is differentUnlike a normal 6306 bearing (72 mm OD), this Honda‑spec version has a 75 mm outer diameter, which matches the machined crankcase used in these 1960s Honda engines. This special OD and the “B30‑35A” marking are frequently discussed in vintage Honda restoration communities. SummaryNSK 6306 B30‑35A EH = Honda OEM crankshaft main bearingUsed in: CB72, CB77, C72/C77/CA72/CA77 and related early Honda twins.FITS MODELSCB72 HAWK 1961 USACB77 SUPER HAWK 1961 USAC72 1960 1961 1962II 1963 DREAM (142592)C72 1960C77 1960CA72 1961CA77 1961C72 1960CA72 1960C77 1960Global Shipping ProgramIf you are purchasing multiple items that will total over 70 lbs. you will need to separate out the transactions as we cannot separate shipments that go through the eBay Global Shipping Program. If multiple items are purchased at one time and the package is over the weight limit, we will contact you to cancel the order and refund your purchase.Free ReturnsWe have free returns on domestic shipments for 30 days! Please contact us if there are any issues with your purchase.Combined Shipping (domestic)If you buy more than one item with us, you may qualify for a combined shipping discount. If your purchase qualifies, you will be refunded the amount saved for combining shipments.
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NOS Honda CA72 CA77 CB72 CB77 Crankshaft Ball Bearing 91001-259-010 P3277
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