Technical data

24 parameters

Identification

Manufacturer
INA
Type
Needle roller bearing
Part number (SKU)
NA4903-RSR-XL#N1>1
EAN
4012802701616

Dimensions

Bore d
17 mm
Outside diameter D
30 mm
Mass
39.67 g

Load ratings and operation

Dynamic load rating C
10000 N
Static load rating C₀
11000 N
Sealing
RSR
Full manufacturer specification14 parameters · expand
Category
XL
Coating
without
Fatigue load limit, radial
2220.0 N
Inner ring raceway diameter
22.0 mm
Limiting speed for grease lubrication
12000.0 1/min
Max. operating temperature
100.0 °C
Min. operating temperature
-20.0 °C
Minimum chamfer
0.3 mm
Outer ring width
13.0 mm
PFAS
no
REACH
REACH compliant
RoHS
RoHS compliant
Sealing
RSR
Width, inner ring
14.0 mm

Classification

Manufacturer category
Rolling and Plain Bearings › Roller Bearings › Needle Roller Bearings › Machined Needle Roller Bearings
eCl@ss class
23-05-09-07
UNSPSC
31171512

Description

Needle roller bearings NA49..-RSR, dimension series 49, lip seal on one side

The same bearing from other manufacturers (1 designations)

Same size and design — suffix notation differs between brands.

Comparison and details →

INA

NA4903-RSR-XL

original — this page

equivalent designation

NTN

NA4903L

This is a dimensional and design equivalent, not the same product. If in doubt, ask us before ordering.

INA

NA4903-RSR-XL

Common designation: NA4903 RS

Needle roller bearing

⌀17 × 30 mm

od EUR 24.34net

+ VAT 23% = EUR 29.94 gross

To orderdate to be confirmed

This item is brought in to order (about 10 working days) and we sell it to business customers. Open a business account.

NA4903-RSR-XL—
EUR 24.34

Cheaper in larger quantities

from 5 pcsEUR 23.86−2%
from 10 pcsEUR 23.61−3%
from 25 pcsEUR 23.13−5%
from 50 pcsEUR 22.64−7%

Brought in to order — we confirm the date after checking with the manufacturer.

Shipping within the EU: DHL, GLS, from EUR 13.16 net. Transit time 3–5 business days after dispatch. Shipping and returns →

Symbol (SKU)NA4903-RSR-XL#N1>1
EAN4012802701616
Wymiary⌀17 × 30 mm
Masa39.67 g

Buying for a company?

Open a business account →

Documentation

Datasheet (PDF)RoHS / REACH compliance declaration (PDF)

Opening a document for the first time can take up to a minute while the manufacturer prepares it.

Need fitting, lubrication or a vibration check?