For sale is a mint-condition KSB jaw coupling with ball bearing, model 6306-2Z/C3GJN.
The coupling is suitable as a spare or replacement part for appropriately designed KSB pumps, motors, and systems. The component has never been installed.
Please compare the bearing designation, shaft diameter, and all dimensions with your existing component before ordering.
Technical data
Manufacturer: KSB
Item: Jaw coupling with ball bearing
Bearing designation: 6306-2Z/C3GJN
Diameter of shaft insertions: approx. 23 mm and 12 mm
Total length without jaw coupling: approx. 60 mm
Total length with jaw coupling: approx. 90 mm
Outer diameter of ball bearing: approx. 70 mm
Diameter of jaw coupling: approx. 55 mm
Our item number: S12/314
Condition
Mint condition, unused and never installed.
Scope of delivery
1 × KSB jaw coupling
1 × Ball bearing 6306-2Z/C3GJN
Couldn't load pickup availability
Further information
Manufacturer: KSB
Installation length:
Condition: As good as new
Pipe connection:
Secure shopping
All electrical equipment has undergone a VDE safety inspection.
Delivery & Shipping
Austria: 1-2 working days
Germany: 2–3 working days
Europe-wide: 3–5 working days
Note: For freight forwarding goods from 40 kg, the delivery time is 3–5 working days.
KSB jaw coupling with bearing 6306-2Z/C3GJN – 23/12 mm S12/314
Regular price€48,50 EUR
Regular priceSale price€48,50 EUR
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FAQ - Frequently Asked Questions
If your question is not answered here, please send us a message via email or WhatsApp and we will be happy to assist you.
Products & Compatibility
How do I find the right replacement pump for my heating system?
Simply send us a photo of your current pump or its nameplate via email or Whatsapp. Our experts will identify the right model for you.
What happens if the delivered pump doesn't fit?
Of course, you have a right of return in accordance with statutory provisions. To avoid this happening in the first place, we will be happy to assist you in advance with selecting the right pump.
What do the statuses "used" or "refurbished" mean for your pumps?
These are carefully reconditioned and tested pumps that offer a cost-effective alternative and are in working order.
What product categories do you carry besides pumps?
In addition to heating, domestic water, booster, and submersible pumps, we also offer electrical engineering (electrical materials, motors, transformers), heating/plumbing accessories, as well as heat pumps and suitable heat exchangers.
Do you also carry spare parts and accessories for pumps?
Yes, our product range includes mechanical seals, pump controls, junction boxes, flanges, insulation shells, and other pump accessories.
Do you also have spare parts for electrical engineering and heating systems?
Yes, we stock spare parts for electrical equipment (e.g. relays, contactors, circuit boards) as well as for heating and sanitary systems (e.g. heating mixers, valves, non-return valves).
If a product is not currently listed, can you still procure it?
Simply contact us by email or Whatsapp and, if required, we can also source products that are not currently listed in the online shop or are currently out of stock.
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Is payment by invoice possible?
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Shipping & Delivery
How long does delivery take?
Orders received by 1:00 PM on weekdays will be packed and shipped on the same day. Orders received later will be shipped on the next business day.
Within Austria, we deliver within 1 business day, and to Germany within 2–3 business days. Deliveries throughout the EU are also reliable, with delivery times varying by country.
Note: For freight items weighing 40 kg or more, the delivery time is 3–5 business days.
Will I receive a tracking number?
Yes, after shipping, we will provide you with the tracking number so you can check the status of your delivery at any time.
Certificates & Standards
Are your electrical devices safety-tested?
Yes, all electrical devices have undergone a VDE safety inspection.
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