Castomer

Deep groove ball bearing 6321 – 105×225×49 mm

23 offers · 9 manufacturers · net prices from PLN 272.92 · dispatch in 2 working days

6321 is a deep groove ball bearing with a 105 mm bore, 225 mm outside diameter and 49 mm width, open design (no seals) – for externally lubricated arrangements. The dimensions are standardised, so items from different manufacturers with the same clearance and sealing are interchangeable 1:1. All brands with current net prices are listed below.

bore d
105 mm
outside D
225 mm
width B
49 mm
sealing
open
mass
8.2 kg
net price from
PLN 272.92

Brands and prices 6321

Net price per piece, gross incl. 23% VAT. Selected items go into one enquiry – we reply within 24 h, with better prices for larger quantities.

BrandManufacturer designationClearanceNet priceAvailability
ZEN6321 C3C3
PLN 272.92PLN 335.69 gross
supplier stockdispatch in 2 working days
ZEN6321CN
PLN 283.98PLN 349.30 gross
supplier stockdispatch in 2 working days
NKE6321CN
PLN 585.57PLN 720.25 gross
supplier stockdispatch in 2 working days
NACHI6321CN
PLN 642.44PLN 790.20 gross
supplier stockdispatch in 2 working days
NACHI6321 C3C3
PLN 671.65PLN 826.13 gross
supplier stockdispatch in 2 working days
KOYO6321 C3C3
PLN 693.15PLN 852.57 gross
supplier stockdispatch in 2 working days
TIMKEN6321CN
PLN 747.41PLN 919.31 gross
supplier stockdispatch in 2 working days
TIMKEN6321-C3C3
PLN 747.41PLN 919.31 gross
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NTN6321 CMclearance for electric motors (quiet running)CN
PLN 754.17PLN 927.63 gross
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FAG6321 C4C4
PLN 793.53PLN 976.04 gross
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FAG6321CN
PLN 805.08PLN 990.25 gross
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NTN6321 C4C4
PLN 815.46PLN 1,003.02 gross
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NACHI6321-2NSCN
PLN 835.54PLN 1,027.71 gross
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FAG6321 C3C3
PLN 853.85PLN 1,050.24 gross
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NACHI6321-2NSC3C3
PLN 873.56PLN 1,074.48 gross
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NSK6321 C3C3
PLN 882.63PLN 1,085.63 gross
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SKF6321 C3C3
PLN 1,146.91PLN 1,410.70 gross
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SKF6321CN
PLN 1,301.89PLN 1,601.32 gross
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FAG6321 MC3machined brass cageC3
PLN 1,348.65PLN 1,658.84 gross
supplier stockdispatch in 2 working days
NSK6321 MC3machined brass cageC3
PLN 1,402.65PLN 1,725.26 gross
supplier stockdispatch in 2 working days
TIMKEN6321-M-C3machined brass cageC3
PLN 2,131.00PLN 2,621.13 gross
supplier stockdispatch in 2 working days
FAG6321-M-J20AB-C3machined brass cage, two-piece pressed steel cage, 40° contact angleC3
PLN 2,768.52PLN 3,405.28 gross
supplier stockdispatch in 2 working days
FAG6321-M-J20AA-C3machined brass cage, two-piece pressed steel cageC3
PLN 2,972.86PLN 3,656.62 gross
supplier stockdispatch in 2 working days

Can't see your brand? Ask for an offer – we reply within 24 h.

Other versions of 6321

The same size in another design – open, shielded, tapered bore.

How manufacturers designate 6321

Each brand uses its own seal and design codes. The designations below describe the same bearing.

ManufacturerDesignationSealing / design
FAG6321 C4Open
NACHI6321Open
TIMKEN6321Open
ZEN6321 C3Open
NTN6321 CMOpen
NSK6321 C3Open
SKF6321 C3Open
NKE6321Open
KOYO6321 C3Open

2RS, 2Z or C3 – which to choose?

2RS (two rubber seals) keeps dust and moisture out but limits speed. 2Z (metal shields) does not touch the ring, so it runs faster and cooler but protects less. 2RZ is the compromise – a non-contact seal.

Choose C3 clearance when the bearing runs hot (electric motors, fans) or with a tight shaft fit. Normal clearance CN is enough for ordinary applications.

The dimensions of 6321 are identical for every manufacturer, so the items in the table are interchangeable – just match the clearance and sealing.

Questions about 6321

What are the dimensions of bearing 6321?

Bore 105 mm, outside diameter 225 mm, width 49 mm. Standardised dimensions – the same for every manufacturer.

Are 6321 bearings from different brands interchangeable?

Yes. 6321 C4 FAG, 6321 NACHI, 6321 TIMKEN, 6321 C3 ZEN, 6321 CM NTN are the same bearing under different manufacturers' designations. Match the clearance (e.g. C3) and the sealing.

How much does bearing 6321 cost?

At Castomer from PLN 272.92 to PLN 2,972.86 net per piece depending on the manufacturer (FAG, NACHI, TIMKEN, ZEN, NTN, NSK). Prices are updated from supplier warehouses; larger quantities get an individual offer.

What is the delivery time for 6321?

Dispatch in 2 working days from supplier warehouses in the EU. Availability is confirmed in the reply to your enquiry.

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