The Timken 22778/22721 is a single-row tapered roller bearing designed to accommodate combined radial and axial loads. Its tapered rollers and raceways provide support for bearing arrangements in industrial machinery and other equipment.
The bearing consists of an 22778 cone, which includes the inner ring, rollers and cage, and an 22721 cup, which forms the outer ring. The separable design allows the cone and cup to be installed individually.
This bearing has a 41.275 mm bore, a 82.550 mm outside diameter and an overall assembled width of 26.195 mm. It accommodates axial load in one direction and can be used with an opposing bearing where axial location in both directions is required.
Technical information
Manufacturer: Timken
Product designation: 22778/22721
Bearing type: Single-row tapered roller bearing
Cone / inner part number: 22778
Cup / outer part number: 22721
Bore diameter, d: 41.275 mm
Outside diameter, D: 82.550 mm
Overall bearing width, T: 26.195 mm
Available from Bearing King Ltd for industrial maintenance, bearing replacement and machinery assembly.
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Royal Mail Standard Shipping
£2.00 - Our cheapest shipping method for parcels up to 500g. Parcels are sent using the Royal Mail standard shipping service and usually take 2-5 working days to arrive. This service isn’t tracked at any stage until point of delivery.
Royal Mail Tracked 48
£4.00 - For parcels weighing up to 2kg. Royal Mail aims to deliver within 2–3 working days from the date your order is dispatched, not from the date you place your order. Once dispatched, you’ll receive an email from Royal Mail containing full tracking details.
Next Working Day – UK Mainland Only
£8.50 – Orders placed before 3.30pm will be received the next working day, Monday to Friday. You will receive an email from the courier with full tracking details. We tend to use UPS, DPD or Royal Mail Next Day.
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£15.00 – This is a two day service to Northern Ireland. You will receive an email from the courier with full tracking details. We tend to use UPS, DPD or Royal Mail.
Northern Ireland Next Day Service
£35.00 - This is a next day service to Northern Ireland. You will receive an email with full tracking details. We tend to use UPS, DPD or Royal Mail Next Day.
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£20.00 - Orders placed before 4pm will be received the next working day before Midday. You will receive an email from the courier with full tracking details. We tend to use UPS, DPD or Royal Mail.
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Scottish Islands 2-3 Day Service
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Scottish Highlands 2-3 Day service
£35.00 - This is a two to three day service. You will receive an email from the courier with full tracking details.
SAME DAY TAXI – Please call 01709 527269 for a quote and we will try to accommodate where possible.
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FREE - We offer a Click & Collect service for customers that are able to collect from our premises at Bearing King. Unit 5, Northfield Business Park, Parkgate, Rotherham S60 1SD United Kingdom.
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Returns Policy
1. You may return an unused item in new condition unless faulty within 30 days of receipt. Damaged or used goods cannot be refunded.
2. A copy of our returns form must be included with the returned goods.
3. Customers will be responsible for the original and return shipping charges unless our customer service department determines that we are at fault for an order error or product defect. Bearing King will not be responsible for any return item lost in transit.
4. Once we receive the package and the goods are checked, we will refund you by the payment method used when the order was placed.
5. Please allow 3-5 days for your return to be processed or exchange to be sent.
