Needle roller bearing NK40/30 – 40×50×30 mm

4 offers · 4 manufacturers · net prices from PLN 32.24 · dispatch in 2 working days

NK40/30 is a needle roller bearing with a 40 mm bore, 50 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: 50 mm
width B: 30 mm
sealing: open
mass: 0.13 kg
net price from: PLN 32.24

Dimension drawing NK40/30 – one for all brands (ISO dimensions)

Main dimensions
d – bore diameter	40 mm
D – outside diameter	50 mm
B – width	30 mm
mass	0.13 kg

Pictured: NKE NK40/30. Every brand has its own product page with photo and full description.

Brands and prices NK40/30

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.

Brand	Manufacturer designation	Clearance	Net price	Availability
NKE	NK40/30	CN	PLN 32.24PLN 39.66 gross	supplier stockdispatch in 2 working days
ZEN	NK40/30	CN	PLN 37.47PLN 46.09 gross	supplier stockdispatch in 2 working days
INA	NK40/30	CN	PLN 62.10PLN 76.38 gross	supplier stockdispatch in 2 working days
SKF	NK40/30	CN	PLN 87.21PLN 107.27 gross	supplier stockdispatch in 2 working days

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

How manufacturers designate NK40/30

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

Manufacturer	Designation	Sealing / design
NKE	NK40/30	Open
ZEN	NK40/30	Open
INA	NK40/30	Open
SKF	NK40/30	Open

Questions about NK40/30

What are the dimensions of bearing NK40/30?

Bore 40 mm, outside diameter 50 mm, width 30 mm. Standardised dimensions – the same for every manufacturer.

Are NK40/30 bearings from different brands interchangeable?

Yes. NK40/30 NKE, NK40/30 ZEN, NK40/30 INA, NK40/30 SKF are the same bearing under different manufacturers' designations. Match the clearance (e.g. C3) and the sealing.

How much does bearing NK40/30 cost?

At Castomer from PLN 32.24 to PLN 87.21 net per piece depending on the manufacturer (NKE, ZEN, INA, SKF). Prices are updated from supplier warehouses; larger quantities get an individual offer.

What is the delivery time for NK40/30?

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