Tapered roller bearing 30308 – 40×90×25.25 mm

9 offers · 8 manufacturers · net prices from PLN 39.74 · dispatch in 2 working days

30308 is a tapered roller bearing with a 40 mm bore, 90 mm outside diameter and 25.25 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: 90 mm
width B: 25.25 mm
sealing: open
mass: 0.77 kg
net price from: PLN 39.74

Dimension drawing 30308 – one for all brands (ISO dimensions)

Main dimensions
d – bore diameter	40 mm
D – outside diameter	90 mm
T – total width	25.25 mm
B – inner ring	23 mm
C – outer ring	20 mm
mass	0.77 kg

Pictured: NKE 30308. Every brand has its own product page with photo and full description.

Brands and prices 30308

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	30308	CN	PLN 39.74PLN 48.88 gross	supplier stockdispatch in 2 working days
NACHI	30308 Jpressed steel cage	CN	PLN 53.24PLN 65.49 gross	supplier stockdispatch in 2 working days
NSK	30308 Jpressed steel cage	CN	PLN 59.83PLN 73.59 gross	supplier stockdispatch in 2 working days
TIMKEN	30308M-90KM1machined brass cage	CN	PLN 64.69PLN 79.57 gross	supplier stockdispatch in 2 working days
FAG	30308	CN	PLN 70.53PLN 86.75 gross	supplier stockdispatch in 2 working days
SKF	30308	CN	PLN 84.19PLN 103.55 gross	supplier stockdispatch in 2 working days
KOYO	30308 DJRriveted pressed steel cage (FAG)	CN	PLN 86.34PLN 106.20 gross	supplier stockdispatch in 2 working days

▸Special designs 30308 (2) – stainless steel, snap ring, manufacturer specials

KOYO	HC30308 JRriveted pressed steel cage (FAG)	CN	PLN 55.68PLN 68.49 gross	supplier stockdispatch in 2 working days
NTN	4T-30308	CN	PLN 65.98PLN 81.16 gross	supplier stockdispatch in 2 working days

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

How manufacturers designate 30308

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

Manufacturer	Designation	Sealing / design
KOYO	30308 DJR	Open
NKE	30308	Open
NACHI	30308 J	Open
NSK	30308 J	Open
TIMKEN	30308M-90KM1	Open
NTN	4T-30308	Open
FAG	30308	Open
SKF	30308	Open

Questions about 30308

What are the dimensions of bearing 30308?

Bore 40 mm, outside diameter 90 mm, width 25.25 mm. Standardised dimensions – the same for every manufacturer.

Are 30308 bearings from different brands interchangeable?

Yes. 30308 DJR KOYO, 30308 NKE, 30308 J NACHI, 30308 J NSK, 30308M-90KM1 TIMKEN are the same bearing under different manufacturers' designations. Match the clearance (e.g. C3) and the sealing.

How much does bearing 30308 cost?

At Castomer from PLN 39.74 to PLN 86.34 net per piece depending on the manufacturer (KOYO, NKE, NACHI, NSK, TIMKEN, NTN). Prices are updated from supplier warehouses; larger quantities get an individual offer.

What is the delivery time for 30308?

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