{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"186e1943e8ec","name":"BEARING 6304 C4 KOYO OPEN, PROX 23.6304C4 20x52x15 MADE IN JAPAN EACH","sku":"56-509.C4.KOYO","brand":"Koyo Bearings","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":38,"price":{"amount":13.52,"formatted":"£13.52"},"summary":"KOYO 6304 C4 open bearing. Dimensions 20mm x 52mm x 15mm. Made in Japan. ProX part number 23.6304C4. Meets or exceeds OEM quality. Direct OEM replacement. Crank bearings are sold individually. Koyo Bearing products are a high quality replacement part.","attributes":[{"label":"General Product Group","value":"General Bearings & Seals"},{"label":"General Product Type","value":"Bearing"},{"label":"Variant Id","value":"251080"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-509_2EC4_2EKOYO/e290c932d59634c8.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-509_2EC4_2EKOYO/e290c932d59634c8.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-509_2EC4_2EKOYO/3fad46eff05e4400.jpg"],"description":"KOYO 6304 C4 open bearing. Dimensions 20mm x 52mm x 15mm. Made in Japan. ProX part number 23.6304C4. Meets or exceeds OEM quality. Direct OEM replacement. Crank bearings are sold individually. Koyo Bearing products are a high quality replacement part.","descriptionMarkdown":"### Koyo 6304 C4 Open Bearing - Made in Japan\n\nThis high-quality 6304 C4 bearing from Koyo, a leading OEM manufacturer, is designed for exceptional performance and reliability. Manufactured in Japan, it meets or exceeds original equipment manufacturer specifications, providing a direct replacement for your vehicle's existing bearing.\n\nThe bearing features the following specifications:\n\n \n- Model Number: 6304 C4\n \n- Dimensions: 20mm x 52mm x 15mm\n \n- Type: Open Ball Bearing\n \n- Manufacturer: Koyo Bearings\n \n- Origin: Made in Japan\n\nProX offers a wide variety of high-quality ball and roller bearings, ensuring you receive the best available quality. All ProX products are factory tested for 100% reliability. This Koyo bearing is a premium replacement part, guaranteed to satisfy. Please refer to your vehicle's manual for the correct bearing designation and verify compatibility before ordering.","weightGrams":null,"fitments":[{"make":"GASGAS","model":"MC 65","cc":null,"notes":null,"years":"2021–2025"},{"make":"HONDA","model":"CR 125","cc":null,"notes":null,"years":"1979"},{"make":"HONDA","model":"CRF 50","cc":null,"notes":null,"years":"2004–2012"},{"make":"HONDA","model":"CRF 50F","cc":null,"notes":null,"years":"2004–2012"},{"make":"HONDA","model":"CRF 70","cc":null,"notes":null,"years":"2004–2012"},{"make":"HONDA","model":"CRF 70F","cc":null,"notes":null,"years":"2004–2012"},{"make":"HONDA","model":"XR 50R","cc":null,"notes":null,"years":"2000–2003"},{"make":"HONDA","model":"XR 70R","cc":null,"notes":null,"years":"1997–2003"},{"make":"HUSQVARNA","model":"CR 125","cc":null,"notes":null,"years":"1992–1994"},{"make":"HUSQVARNA","model":"CR 250","cc":null,"notes":null,"years":"1992–1994"},{"make":"HUSQVARNA","model":"TC 65","cc":null,"notes":null,"years":"2017–2025"},{"make":"HUSQVARNA","model":"WR 125","cc":null,"notes":null,"years":"1992–1994"},{"make":"HUSQVARNA","model":"WR 250","cc":null,"notes":null,"years":"1992–1994"},{"make":"KAWASAKI","model":"KX 100","cc":null,"notes":null,"years":"1989–2021"},{"make":"KAWASAKI","model":"KX 125","cc":null,"notes":null,"years":"1982–1984"},{"make":"KAWASAKI","model":"KX 60","cc":null,"notes":null,"years":"1985–2004"},{"make":"KAWASAKI","model":"KX 65","cc":null,"notes":null,"years":"2000–2021"},{"make":"KAWASAKI","model":"KX 80","cc":null,"notes":null,"years":"1981–2000"},{"make":"KAWASAKI","model":"KX 85","cc":null,"notes":null,"years":"2001–2021"},{"make":"KTM","model":"60 SX","cc":null,"notes":null,"years":"1997–1999"},{"make":"KTM","model":"65 SX","cc":null,"notes":null,"years":"1998–2025"},{"make":"SUZUKI","model":"RM 65","cc":null,"notes":null,"years":"2003–2005"},{"make":"SUZUKI","model":"RM 80","cc":null,"notes":null,"years":"1986–2021"},{"make":"SUZUKI","model":"RM 85","cc":null,"notes":null,"years":"2002–2020"},{"make":"YAMAHA","model":"IT 175","cc":null,"notes":null,"years":"1977–1983"},{"make":"YAMAHA","model":"TY 175","cc":null,"notes":null,"years":"1975–1976"},{"make":"YAMAHA","model":"YZ 125","cc":null,"notes":null,"years":"1974–1985"},{"make":"YAMAHA","model":"YZ 65","cc":null,"notes":null,"years":"2018–2025"},{"make":"YAMAHA","model":"YZ 80","cc":null,"notes":null,"years":"1993–2001"},{"make":"YAMAHA","model":"YZ 85","cc":null,"notes":null,"years":"2002–2025"}],"collections":[{"name":"General Bearings & Seals","url":"https://www.2brosparts.com/api/agent/collection/GB/general-bearings-seals"},{"name":"Bearing","url":"https://www.2brosparts.com/api/agent/collection/GB/bearing"}],"links":{"page":"https://www.2brosparts.com/products/bearing-6304-c4-koyo-open-prox-236304c4-20x52x15-made-in-japan-each","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/186e1943e8ec:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/186e1943e8ec:1"}},"market":{"country":"GB","countryName":"United Kingdom","locale":"en-gb","currency":"GBP","exchangeRateFromGbp":1,"pricesIncludeUkVat":true,"checkoutTax":null,"delivery":[{"name":"Standard","description":"Orders £15.00–£59.99 · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":4.99,"formatted":"£4.99"},"free":false,"minimumOrder":{"amount":0,"formatted":"£0.00","gbp":0},"weightGrams":null},{"name":"Standard","description":"Orders £60.00 and up · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":0,"formatted":"£0.00"},"free":true,"minimumOrder":{"amount":60,"formatted":"£60.00","gbp":60},"weightGrams":null}],"storeUrl":"https://www.2brosparts.com"},"navigate":{"start":"https://www.2brosparts.com/api/agent","search":"https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus}"},"howToBuy":{"summary":"Build a basket for the shopper and give them one checkout link. Every URL is a plain path (no query string) and a GET. Nothing is stored between calls.","checkoutLinkFormat":"https://www.2brosparts.com/api/agent/checkout/GB/{basketKey}:{quantity},{basketKey}:{quantity}","steps":["1. Find products: follow links in these responses, or fetch https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus} (e.g. https://www.2brosparts.com/api/agent/search/GB/brake+pads). Every product has a basketKey.","2. Optional check: https://www.2brosparts.com/api/agent/basket/GB/{basketKey}:{quantity},{basketKey}:{quantity} returns stock, totals per delivery option and the checkout link.","3. Give the shopper the checkout link. Opening it fills their basket with exactly these items (replacing what was there) and opens checkout for United Kingdom. They pay on 2brosparts.com through Stripe."],"noFetchNeeded":"You can write the checkout link yourself from basketKeys and quantities; nothing has to be fetched first. Each product also has links.buyOneNow, a ready link for one unit.","stateless":"Nothing is saved on our side. The items part of the URL is the whole basket: to change it, write the link again with the new list.","itemsFormat":"basketKey:quantity pairs joined by commas, e.g. 04f24aad4d68:2,7c1e9a0b3f2d:1. Quantity defaults to 1. Up to 50 products, 100 each.","country":"GB is the shopper's delivery country. Swap it for theirs (US, DE, FR…) in any URL; currency, tax and delivery follow it.","tips":["Put everything the shopper wants in one link.","Optionally add your name as a last path segment on checkout links (…/checkout/GB/<items>/claude) so the sale is credited to you.","The checkout link is for the shopper's browser. Do not open it yourself.","Signed-in trade account holders see their trade prices at checkout."]}}