Castomer

Needle roller bearing NKI40/30 – 40×55×30 mm

2 offers · 2 manufacturers · net prices from PLN 52.37 · dispatch in 2 working days

NKI40/30 is a needle roller bearing with a 40 mm bore, 55 mm outside diameter and 30 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
40 mm
outside D
55 mm
width B
30 mm
sealing
open
net price from
PLN 52.37

Brands and prices NKI40/30

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
ZENNKI40/30CN
PLN 52.37PLN 64.42 gross
supplier stockdispatch in 2 working days
NKENKI40/30CN
PLN 54.06PLN 66.49 gross
supplier stockdispatch in 2 working days

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

How manufacturers designate NKI40/30

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

ManufacturerDesignationSealing / design
ZENNKI40/30Open
NKENKI40/30Open

Questions about NKI40/30

What are the dimensions of bearing NKI40/30?

Bore 40 mm, outside diameter 55 mm, width 30 mm. Standardised dimensions – the same for every manufacturer.

Are NKI40/30 bearings from different brands interchangeable?

Yes. NKI40/30 ZEN, NKI40/30 NKE are the same bearing under different manufacturers' designations. Match the clearance (e.g. C3) and the sealing.

How much does bearing NKI40/30 cost?

At Castomer from PLN 52.37 to PLN 54.06 net per piece depending on the manufacturer (ZEN, NKE). Prices are updated from supplier warehouses; larger quantities get an individual offer.

What is the delivery time for NKI40/30?

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

© 2026 Castomer sp. z o.o. All rights reserved.