Castomer

Spherical roller bearing 21306 K – 30×70×19 mm

4 offers · 3 manufacturers · net prices from PLN 114.75 · dispatch in 2 working days

21306 K is a spherical roller bearing with a 30 mm bore, 70 mm outside diameter and 19 mm width, open design (no seals) – for externally lubricated arrangements with a tapered bore (K) for adapter sleeve mounting. 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
30 mm
outside D
70 mm
width B
19 mm
sealing
open
net price from
PLN 114.75

Brands and prices 21306 K

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
NACHI21306 EXQW33KC3reinforced design, higher load rating, lubrication groove and holes in the outer ring, tapered bore, taper 1:12C3
PLN 114.75PLN 141.14 gross
supplier stockdispatch in 2 working days
NSK21306 CDK4EC3S11tapered bore, taper 1:12C3
PLN 171.72PLN 211.22 gross
supplier stockdispatch in 2 working days
TIMKEN21306 KEJW33tapered bore, taper 1:12, pressed steel cage (Timken), lubrication groove and holes in the outer ringCN
PLN 176.31PLN 216.86 gross
supplier stockdispatch in 2 working days
TIMKEN21306 KEJW33C3tapered bore, taper 1:12, pressed steel cage (Timken), lubrication groove and holes in the outer ringC3
PLN 176.31PLN 216.86 gross
supplier stockdispatch in 2 working days

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

Other versions of 21306

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

How manufacturers designate 21306 K

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

ManufacturerDesignationSealing / design
TIMKEN21306 KEJW33Open
NACHI21306 EXQW33KC3Open
NSK21306 CDK4EC3S11Open

Questions about 21306 K

What are the dimensions of bearing 21306 K?

Bore 30 mm, outside diameter 70 mm, width 19 mm. Standardised dimensions – the same for every manufacturer.

Are 21306 K bearings from different brands interchangeable?

Yes. 21306 KEJW33 TIMKEN, 21306 EXQW33KC3 NACHI, 21306 CDK4EC3S11 NSK are the same bearing under different manufacturers' designations. Match the clearance (e.g. C3) and the sealing.

How much does bearing 21306 K cost?

At Castomer from PLN 114.75 to PLN 176.31 net per piece depending on the manufacturer (TIMKEN, NACHI, NSK). Prices are updated from supplier warehouses; larger quantities get an individual offer.

What is the delivery time for 21306 K?

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

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