Technical data
25 parametersIdentification
- Manufacturer
- INA
- Type
- Needle roller bearing
- Part number (SKU)
- NA4910-XL#N1>1
- EAN
- 4012802212525
- Cage
- Standard
Dimensions
- Bore d
- 50 mm
- Outside diameter D
- 72 mm
- Width B
- 22 mm
- Mass
- 278 g
Load ratings and operation
- Dynamic load rating C
- 53000 N
- Static load rating C₀
- 80000 N
- Limiting speed
- 7800 1/min
Full manufacturer specification13 parameters · expand
- Axial displacement
- 1.0 mm
- Cage
- Standard
- Category
- XL
- Coating
- without
- Fatigue load limit, radial
- 14100.0 N
- Inner ring raceway diameter
- 58.0 mm
- Max. operating temperature
- 120.0 °C
- Min. operating temperature
- -30.0 °C
- Minimum chamfer
- 0.6 mm
- PFAS
- no
- REACH
- REACH compliant
- Reference speed
- 4150.0 1/min
- RoHS
- RoHS compliant
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
This needle roller bearing carries radial loads within a compact cross-section, using a full complement of needle rollers guided by a standard cage. It is a single row design with a solid inner ring, and the outer ring features two ribs that axially locate the roller and cage assembly. Bore diameter is 50.0 mm, outside diameter 72.0 mm, width 22.0 mm, and net mass 278.0 g. The limiting speed is 7800 1/min, with a reference speed of 4150 1/min. The two-rib outer ring allows the bearing to take up axial guidance internally, simplifying housing design while keeping the roller set fixed. With a solid inner ring, the bearing can be mounted directly onto the shaft without a separate inner raceway component. The standard cage design provides even roller spacing and consistent running behavior across the stated speed range, making the bearing suitable for radial support applications where shaft space is limited and a compact section height is required.
The same bearing from other manufacturers (2 designations)
Same size and design — suffix notation differs between brands.
INA
NA4910-XL
original — this page
equivalent designation
KOYO
NA4910
NTN
NA4910
This is a dimensional and design equivalent, not the same product. If in doubt, ask us before ordering.
NA4910-XL
Common designation: NA4910
Needle roller bearing
⌀50 × 72 × 22 mm
od EUR 31.94net
+ VAT 23% = EUR 39.29 gross
Cheaper in larger quantities
| from 5 pcs | EUR 31.30 | −2% |
| from 10 pcs | EUR 30.98 | −3% |
| from 25 pcs | EUR 30.34 | −5% |
| from 50 pcs | EUR 29.70 | −7% |
Dispatched within 24 h from our own warehouse
Shipping within the EU: DHL, GLS, from EUR 13.18 net. Transit time 3–5 business days after dispatch. Shipping and returns →
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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.

