Needle roller bearing RNA4903 – 22×30×13 mm

6 offers · 4 manufacturers · net prices from PLN 20.89 · dispatch in 2 working days

RNA4903 is a needle roller bearing with a 22 mm bore, 30 mm outside diameter and 13 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: 22 mm
outside D: 30 mm
width B: 13 mm
sealing: open
mass: 0.03 kg
net price from: PLN 20.89

Dimension drawing RNA4903 – one for all brands (ISO dimensions)

Main dimensions
d – bore diameter	22 mm
D – outside diameter	30 mm
B – width	13 mm
mass	0.03 kg

Pictured: NKE RNA4903. Every brand has its own product page with photo and full description.

Brands and prices RNA4903

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	RNA4903	CN	PLN 20.89PLN 25.69 gross	supplier stockdispatch in 2 working days
NTN	RNA4903 R	CN	PLN 29.98PLN 36.88 gross	supplier stockdispatch in 2 working days
NTN	RNA4903 L/3AS	CN	PLN 34.83PLN 42.84 gross	supplier stockdispatch in 2 working days
INA	RNA4903	CN	PLN 40.33PLN 49.61 gross	supplier stockdispatch in 2 working days
NTN	RNA4903 LL/3AS	CN	PLN 45.37PLN 55.81 gross	supplier stockdispatch in 2 working days
SKF	RNA4903	CN	PLN 52.65PLN 64.76 gross	supplier stockdispatch in 2 working days

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

Other versions of RNA4903

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

How manufacturers designate RNA4903

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

Manufacturer	Designation	Sealing / design
NTN	RNA4903 R	Open
NKE	RNA4903	Open
INA	RNA4903	Open
SKF	RNA4903	Open

Questions about RNA4903

What are the dimensions of bearing RNA4903?

Bore 22 mm, outside diameter 30 mm, width 13 mm. Standardised dimensions – the same for every manufacturer.

Are RNA4903 bearings from different brands interchangeable?

Yes. RNA4903 R NTN, RNA4903 NKE, RNA4903 INA, RNA4903 SKF are the same bearing under different manufacturers' designations. Match the clearance (e.g. C3) and the sealing.

How much does bearing RNA4903 cost?

At Castomer from PLN 20.89 to PLN 52.65 net per piece depending on the manufacturer (NTN, NKE, INA, SKF). Prices are updated from supplier warehouses; larger quantities get an individual offer.

What is the delivery time for RNA4903?

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