BEARING 6304 C3 KOYO 20x52x15 SIZE MADE IN JAPAN EACH
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High-quality open deep groove ball bearing 20x52x15 by KOYO. Manufactured in Japan, these open bearings are designed without seals, allowing for free circulation of oil or grease. They are ideal for applications with a consistent lubricant supply and no exposure to contaminants, such as crankshafts and gearboxes. This bearing features an inside diameter of 20mm, an outside diameter of 52mm, and a width of 15mm. The C3 clearance is suitable for high-speed and thermal expansion scenarios. KOYO bearings meet or exceed OEM standards and are manufactured to exacting specifications for a precise fit and reliable performance. Please verify dimensions and image before ordering.
- SKU
- 56-509.C3.KOYO
- Brand
- Koyo Bearings
- Availability
- In Stock (243)
Fitments (344)
| Make | Model | Year |
|---|---|---|
| GASGAS | MC 65 | 2021 |
| GASGAS | MC 65 | 2022 |
| GASGAS | MC 65 | 2023 |
| GASGAS | MC 65 | 2024 |
| GASGAS | MC 65 | 2025 |
| HONDA | CR 125 | 1979 |
| HONDA | CRF 50 | 2004 |
| HONDA | CRF 50 | 2005 |
| HONDA | CRF 50 | 2006 |
| HONDA | CRF 50 | 2007 |
| HONDA | CRF 50 | 2008 |
| HONDA | CRF 50 | 2009 |
| HONDA | CRF 50 | 2010 |
| HONDA | CRF 50 | 2011 |
| HONDA | CRF 50 | 2012 |
| HONDA | CRF 50F | 2004 |
| HONDA | CRF 50F | 2005 |
| HONDA | CRF 50F | 2006 |
| HONDA | CRF 50F | 2007 |
| HONDA | CRF 50F | 2008 |
| HONDA | CRF 50F | 2009 |
| HONDA | CRF 50F | 2010 |
| HONDA | CRF 50F | 2011 |
| HONDA | CRF 50F | 2012 |
| HONDA | CRF 70 | 2004 |
| HONDA | CRF 70 | 2005 |
| HONDA | CRF 70 | 2006 |
| HONDA | CRF 70 | 2007 |
| HONDA | CRF 70 | 2008 |
| HONDA | CRF 70 | 2009 |
| HONDA | CRF 70 | 2010 |
| HONDA | CRF 70 | 2011 |
| HONDA | CRF 70 | 2012 |
| HONDA | CRF 70F | 2004 |
| HONDA | CRF 70F | 2005 |
| HONDA | CRF 70F | 2006 |
| HONDA | CRF 70F | 2007 |
| HONDA | CRF 70F | 2008 |
| HONDA | CRF 70F | 2009 |
| HONDA | CRF 70F | 2010 |
| HONDA | CRF 70F | 2011 |
| HONDA | CRF 70F | 2012 |
| HONDA | XR 50R | 2000 |
| HONDA | XR 50R | 2001 |
| HONDA | XR 50R | 2002 |
| HONDA | XR 50R | 2003 |
| HONDA | XR 70R | 1997 |
| HONDA | XR 70R | 1998 |
| HONDA | XR 70R | 1999 |
| HONDA | XR 70R | 2000 |
| HONDA | XR 70R | 2001 |
| HONDA | XR 70R | 2002 |
| HONDA | XR 70R | 2003 |
| HUSQVARNA | CR 125 | 1992 |
| HUSQVARNA | CR 125 | 1993 |
| HUSQVARNA | CR 125 | 1994 |
| HUSQVARNA | CR 250 | 1992 |
| HUSQVARNA | CR 250 | 1993 |
| HUSQVARNA | CR 250 | 1994 |
| HUSQVARNA | TC 65 | 2017 |
| HUSQVARNA | TC 65 | 2018 |
| HUSQVARNA | TC 65 | 2019 |
| HUSQVARNA | TC 65 | 2020 |
| HUSQVARNA | TC 65 | 2021 |
| HUSQVARNA | TC 65 | 2022 |
| HUSQVARNA | TC 65 | 2023 |
| HUSQVARNA | TC 65 | 2024 |
| HUSQVARNA | TC 65 | 2025 |
| HUSQVARNA | WR 125 | 1992 |
| HUSQVARNA | WR 125 | 1993 |
| HUSQVARNA | WR 125 | 1994 |
| HUSQVARNA | WR 250 | 1992 |
| HUSQVARNA | WR 250 | 1993 |
| HUSQVARNA | WR 250 | 1994 |
| KAWASAKI | KX 100 | 1989 |
| KAWASAKI | KX 100 | 1990 |
| KAWASAKI | KX 100 | 1991 |
| KAWASAKI | KX 100 | 1992 |
| KAWASAKI | KX 100 | 1993 |
| KAWASAKI | KX 100 | 1994 |
| KAWASAKI | KX 100 | 1995 |
| KAWASAKI | KX 100 | 1996 |
| KAWASAKI | KX 100 | 1997 |
| KAWASAKI | KX 100 | 1998 |
| KAWASAKI | KX 100 | 1999 |
| KAWASAKI | KX 100 | 2000 |
| KAWASAKI | KX 100 | 2001 |
| KAWASAKI | KX 100 | 2002 |
| KAWASAKI | KX 100 | 2003 |
| KAWASAKI | KX 100 | 2004 |
| KAWASAKI | KX 100 | 2005 |
| KAWASAKI | KX 100 | 2006 |
| KAWASAKI | KX 100 | 2007 |
| KAWASAKI | KX 100 | 2008 |
| KAWASAKI | KX 100 | 2009 |
| KAWASAKI | KX 100 | 2010 |
| KAWASAKI | KX 100 | 2011 |
| KAWASAKI | KX 100 | 2012 |
| KAWASAKI | KX 100 | 2013 |
| KAWASAKI | KX 100 | 2014 |
| KAWASAKI | KX 100 | 2015 |
| KAWASAKI | KX 100 | 2016 |
| KAWASAKI | KX 100 | 2017 |
| KAWASAKI | KX 100 | 2018 |
| KAWASAKI | KX 100 | 2019 |
| KAWASAKI | KX 100 | 2020 |
| KAWASAKI | KX 100 | 2021 |
| KAWASAKI | KX 125 | 1982 |
| KAWASAKI | KX 125 | 1983 |
| KAWASAKI | KX 125 | 1984 |
| KAWASAKI | KX 60 | 1985 |
| KAWASAKI | KX 60 | 1986 |
| KAWASAKI | KX 60 | 1987 |
| KAWASAKI | KX 60 | 1988 |
| KAWASAKI | KX 60 | 1989 |
| KAWASAKI | KX 60 | 1990 |
| KAWASAKI | KX 60 | 1991 |
| KAWASAKI | KX 60 | 1992 |
| KAWASAKI | KX 60 | 1993 |
| KAWASAKI | KX 60 | 1994 |
| KAWASAKI | KX 60 | 1995 |
| KAWASAKI | KX 60 | 1996 |
| KAWASAKI | KX 60 | 1997 |
| KAWASAKI | KX 60 | 1998 |
| KAWASAKI | KX 60 | 1999 |
| KAWASAKI | KX 60 | 2000 |
| KAWASAKI | KX 60 | 2001 |
| KAWASAKI | KX 60 | 2002 |
| KAWASAKI | KX 60 | 2003 |
| KAWASAKI | KX 60 | 2004 |
| KAWASAKI | KX 65 | 2000 |
| KAWASAKI | KX 65 | 2001 |
| KAWASAKI | KX 65 | 2002 |
| KAWASAKI | KX 65 | 2003 |
| KAWASAKI | KX 65 | 2004 |
| KAWASAKI | KX 65 | 2005 |
| KAWASAKI | KX 65 | 2006 |
| KAWASAKI | KX 65 | 2007 |
| KAWASAKI | KX 65 | 2008 |
| KAWASAKI | KX 65 | 2009 |
| KAWASAKI | KX 65 | 2010 |
| KAWASAKI | KX 65 | 2011 |
| KAWASAKI | KX 65 | 2012 |
| KAWASAKI | KX 65 | 2013 |
| KAWASAKI | KX 65 | 2014 |
| KAWASAKI | KX 65 | 2015 |
| KAWASAKI | KX 65 | 2016 |
| KAWASAKI | KX 65 | 2017 |
| KAWASAKI | KX 65 | 2018 |
| KAWASAKI | KX 65 | 2019 |
| KAWASAKI | KX 65 | 2020 |
| KAWASAKI | KX 65 | 2021 |
| KAWASAKI | KX 80 | 1981 |
| KAWASAKI | KX 80 | 1982 |
| KAWASAKI | KX 80 | 1983 |
| KAWASAKI | KX 80 | 1984 |
| KAWASAKI | KX 80 | 1985 |
| KAWASAKI | KX 80 | 1986 |
| KAWASAKI | KX 80 | 1987 |
| KAWASAKI | KX 80 | 1988 |
| KAWASAKI | KX 80 | 1989 |
| KAWASAKI | KX 80 | 1990 |
| KAWASAKI | KX 80 | 1991 |
| KAWASAKI | KX 80 | 1992 |
| KAWASAKI | KX 80 | 1993 |
| KAWASAKI | KX 80 | 1994 |
| KAWASAKI | KX 80 | 1995 |
| KAWASAKI | KX 80 | 1996 |
| KAWASAKI | KX 80 | 1997 |
| KAWASAKI | KX 80 | 1998 |
| KAWASAKI | KX 80 | 1999 |
| KAWASAKI | KX 80 | 2000 |
| KAWASAKI | KX 85 | 2001 |
| KAWASAKI | KX 85 | 2002 |
| KAWASAKI | KX 85 | 2003 |
| KAWASAKI | KX 85 | 2004 |
| KAWASAKI | KX 85 | 2005 |
| KAWASAKI | KX 85 | 2006 |
| KAWASAKI | KX 85 | 2007 |
| KAWASAKI | KX 85 | 2008 |
| KAWASAKI | KX 85 | 2009 |
| KAWASAKI | KX 85 | 2010 |
| KAWASAKI | KX 85 | 2011 |
| KAWASAKI | KX 85 | 2012 |
| KAWASAKI | KX 85 | 2013 |
| KAWASAKI | KX 85 | 2014 |
| KAWASAKI | KX 85 | 2015 |
| KAWASAKI | KX 85 | 2016 |
| KAWASAKI | KX 85 | 2017 |
| KAWASAKI | KX 85 | 2018 |
| KAWASAKI | KX 85 | 2019 |
| KAWASAKI | KX 85 | 2020 |
| KAWASAKI | KX 85 | 2021 |
| KTM | 60 SX | 1997 |
| KTM | 60 SX | 1998 |
| KTM | 60 SX | 1999 |
| KTM | 65 SX | 1998 |
| KTM | 65 SX | 1999 |
| KTM | 65 SX | 2000 |
| KTM | 65 SX | 2001 |
| KTM | 65 SX | 2002 |
| KTM | 65 SX | 2003 |
| KTM | 65 SX | 2004 |
| KTM | 65 SX | 2005 |
| KTM | 65 SX | 2006 |
| KTM | 65 SX | 2007 |
| KTM | 65 SX | 2008 |
| KTM | 65 SX | 2009 |
| KTM | 65 SX | 2010 |
| KTM | 65 SX | 2011 |
| KTM | 65 SX | 2012 |
| KTM | 65 SX | 2013 |
| KTM | 65 SX | 2014 |
| KTM | 65 SX | 2015 |
| KTM | 65 SX | 2016 |
| KTM | 65 SX | 2017 |
| KTM | 65 SX | 2018 |
| KTM | 65 SX | 2019 |
| KTM | 65 SX | 2020 |
| KTM | 65 SX | 2021 |
| KTM | 65 SX | 2022 |
| KTM | 65 SX | 2023 |
| KTM | 65 SX | 2024 |
| KTM | 65 SX | 2025 |
| SUZUKI | RM 65 | 2003 |
| SUZUKI | RM 65 | 2004 |
| SUZUKI | RM 65 | 2005 |
| SUZUKI | RM 80 | 1986 |
| SUZUKI | RM 80 | 1987 |
| SUZUKI | RM 80 | 1988 |
| SUZUKI | RM 80 | 1989 |
| SUZUKI | RM 80 | 1990 |
| SUZUKI | RM 80 | 1991 |
| SUZUKI | RM 80 | 1992 |
| SUZUKI | RM 80 | 1993 |
| SUZUKI | RM 80 | 1994 |
| SUZUKI | RM 80 | 1995 |
| SUZUKI | RM 80 | 1996 |
| SUZUKI | RM 80 | 1997 |
| SUZUKI | RM 80 | 1998 |
| SUZUKI | RM 80 | 1999 |
| SUZUKI | RM 80 | 2000 |
| SUZUKI | RM 80 | 2001 |
| SUZUKI | RM 80 | 2002 |
| SUZUKI | RM 80 | 2003 |
| SUZUKI | RM 80 | 2004 |
| SUZUKI | RM 80 | 2005 |
| SUZUKI | RM 80 | 2006 |
| SUZUKI | RM 80 | 2007 |
| SUZUKI | RM 80 | 2008 |
| SUZUKI | RM 80 | 2009 |
| SUZUKI | RM 80 | 2010 |
| SUZUKI | RM 80 | 2011 |
| SUZUKI | RM 80 | 2012 |
| SUZUKI | RM 80 | 2013 |
| SUZUKI | RM 80 | 2014 |
| SUZUKI | RM 80 | 2015 |
| SUZUKI | RM 80 | 2016 |
| SUZUKI | RM 80 | 2017 |
| SUZUKI | RM 80 | 2018 |
| SUZUKI | RM 80 | 2019 |
| SUZUKI | RM 80 | 2020 |
| SUZUKI | RM 80 | 2021 |
| SUZUKI | RM 85 | 2002 |
| SUZUKI | RM 85 | 2003 |
| SUZUKI | RM 85 | 2004 |
| SUZUKI | RM 85 | 2005 |
| SUZUKI | RM 85 | 2006 |
| SUZUKI | RM 85 | 2007 |
| SUZUKI | RM 85 | 2008 |
| SUZUKI | RM 85 | 2009 |
| SUZUKI | RM 85 | 2010 |
| SUZUKI | RM 85 | 2011 |
| SUZUKI | RM 85 | 2012 |
| SUZUKI | RM 85 | 2013 |
| SUZUKI | RM 85 | 2014 |
| SUZUKI | RM 85 | 2015 |
| SUZUKI | RM 85 | 2016 |
| SUZUKI | RM 85 | 2017 |
| SUZUKI | RM 85 | 2018 |
| SUZUKI | RM 85 | 2019 |
| SUZUKI | RM 85 | 2020 |
| YAMAHA | IT 175 | 1977 |
| YAMAHA | IT 175 | 1978 |
| YAMAHA | IT 175 | 1979 |
| YAMAHA | IT 175 | 1980 |
| YAMAHA | IT 175 | 1981 |
| YAMAHA | IT 175 | 1982 |
| YAMAHA | IT 175 | 1983 |
| YAMAHA | TY 175 | 1975 |
| YAMAHA | TY 175 | 1976 |
| YAMAHA | YZ 125 | 1974 |
| YAMAHA | YZ 125 | 1975 |
| YAMAHA | YZ 125 | 1976 |
| YAMAHA | YZ 125 | 1977 |
| YAMAHA | YZ 125 | 1978 |
| YAMAHA | YZ 125 | 1979 |
| YAMAHA | YZ 125 | 1980 |
| YAMAHA | YZ 125 | 1981 |
| YAMAHA | YZ 125 | 1982 |
| YAMAHA | YZ 125 | 1983 |
| YAMAHA | YZ 125 | 1984 |
| YAMAHA | YZ 125 | 1985 |
| YAMAHA | YZ 65 | 2018 |
| YAMAHA | YZ 65 | 2019 |
| YAMAHA | YZ 65 | 2020 |
| YAMAHA | YZ 65 | 2021 |
| YAMAHA | YZ 65 | 2022 |
| YAMAHA | YZ 65 | 2023 |
| YAMAHA | YZ 65 | 2024 |
| YAMAHA | YZ 65 | 2025 |
| YAMAHA | YZ 80 | 1993 |
| YAMAHA | YZ 80 | 1994 |
| YAMAHA | YZ 80 | 1995 |
| YAMAHA | YZ 80 | 1996 |
| YAMAHA | YZ 80 | 1997 |
| YAMAHA | YZ 80 | 1998 |
| YAMAHA | YZ 80 | 1999 |
| YAMAHA | YZ 80 | 2000 |
| YAMAHA | YZ 80 | 2001 |
| YAMAHA | YZ 85 | 2002 |
| YAMAHA | YZ 85 | 2003 |
| YAMAHA | YZ 85 | 2004 |
| YAMAHA | YZ 85 | 2005 |
| YAMAHA | YZ 85 | 2006 |
| YAMAHA | YZ 85 | 2007 |
| YAMAHA | YZ 85 | 2008 |
| YAMAHA | YZ 85 | 2009 |
| YAMAHA | YZ 85 | 2010 |
| YAMAHA | YZ 85 | 2011 |
| YAMAHA | YZ 85 | 2012 |
| YAMAHA | YZ 85 | 2013 |
| YAMAHA | YZ 85 | 2014 |
| YAMAHA | YZ 85 | 2015 |
| YAMAHA | YZ 85 | 2016 |
| YAMAHA | YZ 85 | 2017 |
| YAMAHA | YZ 85 | 2018 |
| YAMAHA | YZ 85 | 2019 |
| YAMAHA | YZ 85 | 2020 |
| YAMAHA | YZ 85 | 2021 |
| YAMAHA | YZ 85 | 2022 |
| YAMAHA | YZ 85 | 2023 |
| YAMAHA | YZ 85 | 2024 |
| YAMAHA | YZ 85 | 2025 |
- General Product Group
- General Bearings & Seals
- General Product Type
- Bearing
- General Size
- 20x52x15
- Variant Id
- 251079
FULL DESCRIPTION
Koyo 6304 C3 Open Deep Groove Ball Bearing - 20mm x 52mm x 15mm
This high-quality open deep groove ball bearing from KOYO is designed for reliable performance in demanding applications. With dimensions of 20mm inside diameter, 52mm outside diameter, and 15mm width, this bearing is manufactured without seals, allowing for free circulation of oil or grease. This makes it an excellent choice for environments with a consistent lubricant supply and minimal exposure to contaminants.
Key Features:
- Open Design: Facilitates unrestricted oil or grease circulation, ideal for lubricated systems.
- High-Quality Construction: Manufactured to stringent OEM specifications using premium materials for durability and confidence.
- Precision Fit: Engineered for a precise fit and reliable operation in various applications.
- Made in Japan: Ensures adherence to high-quality manufacturing standards.
- C3 Clearance: Suitable for applications experiencing high speeds and thermal expansion.
Specifications:
- Brand: KOYO
- Bearing Type: Open Deep Groove Ball Bearing
- Inside Diameter: 20mm
- Outside Diameter: 52mm
- Width: 15mm
- Seals/Shields: None (Open)
- Radial Internal Clearance: C3
Ideal Applications:
- Crankshafts
- Gearboxes
- Transmissions
- Similar applications requiring free lubrication and protection from contaminants.
Notes:
- Please verify dimensions and compare with your existing part before ordering to ensure compatibility.
- KOYO bearings are designed as direct OEM replacements, meeting or exceeding original equipment standards.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
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