Industrial replacement referenceSource-backed records · No compatibility guesswork

SKF four-point contact · catalog page 430

QJ 303 N2MA

Exact manufacturer product-table record from SKF's angular-contact bearing section.

Bore17 mmOutside diameter47 mmWidth14 mmStylefour-point contactOfficial source ↗

Published bearing data

Dimensions and ratings

PUB BU/P1 17000/1 EN
Designation
QJ 303 N2MA
Dynamic load rating C
23.4 kN
Static load rating C0
15 kN
Fatigue load limit Pu
0.64 kN
Reference speed
Not published for this table row
Limiting speed
28,000 rpm
Mass
0.14 kg
Catalog / PDF page
430 / 432
Published row text
47 14 23,4 15 0,64 28 000 0,14 QJ 303 N2MA –

Verification boundary

What still needs to match

Do not infer interchange
Bearing arrangementConfirm single-row, double-row, or four-point-contact architecture and the intended axial/radial load direction.
Internal designVerify contact angle, universal matching/preload class, cage, seals, and suffix-specific construction.
Fits and dutyCheck shaft/housing fits, preload, lubrication, speed, temperature, rigidity, and expected life.
Current availabilityConfirm the exact designation and latest product data with SKF before ordering or redesigning the assembly.

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