Technical data
24 parametersIdentification
- 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.
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.
NA4903-RSR-XL
Common designation: NA4903 RS
Needle roller bearing
⌀17 × 30 mm
od EUR 24.34net
+ VAT 23% = EUR 29.94 gross
This item is brought in to order (about 10 working days) and we sell it to business customers. Open a business account.
Cheaper in larger quantities
| from 5 pcs | EUR 23.86 | −2% |
| from 10 pcs | EUR 23.61 | −3% |
| from 25 pcs | EUR 23.13 | −5% |
| from 50 pcs | EUR 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 →
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.


