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196311-04060
BEARING, NA5903
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Aftermarket equivalents cross-ref
Third-party equivalents (Jabsco, Sierra, WIX, Mann…) — not OEM; verify before ordering. Usually cheaper than the marine dealer.
| Equivalent P/N | Brand | Description | Source | Confidence |
|---|---|---|---|---|
| NA5903 | NSK | needle roller bearing SD31 lower gear (owner SD31) - NSK NA5903 / RNA5903 confirmed in SD31 repair; supplier refs FK219272 / 7SO623; = NTN/IKO NA5903 | confirmed | |
| RNA5903 | NSK | needle roller bearing RNA5903 no inner ring (owner SD31) - owner SD31; NSK RNA5903/NA5903; refs FK219272 / 7SO623 | confirmed |