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Technical Data Sheet
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63497 — CRANKSHAFT,ENGINE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

63497: CRANKSHAFT,ENGINE.

The CRANKSHAFT,ENGINE is a the manufacturer industrial component. Key specifications include overall_length: 6.614 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-294-0055, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
63497
NSN: 3120-00-294-0055
NIINs: 002940055, 009787291
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 830Q4 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
overall_length6.614 INCHES NOMINAL IN
special_featuresCAST STEEL,DESIGNED FOR SGL CYL ENGINE,0.557 IN. DIA CONNECTING ROD SURFACE,TWO 0.625 IN. DIA MAIN BEARING SURFACES;ONE END THD 0.375-24 UNF-2A RH;FLYWHEEL MTG END AND THD 0.312-24 UNF-2A RH A
NSN3120-00-294-0055
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 63497 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
•
FLANGE OUTSIDE DIAMETER: 1.4900 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 1.2515 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPERELIEF GROOVE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
FLANGE OUTSIDE DIAMETER1.4900 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.2515 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN
HARDNESS RATING58.0 ROCKWELL C NOMINAL INSIDE DIAMETER SURFACE OF BODY
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
SUBSTITUTES & CROSS-REFERENCES 1
LA63497Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 63497?
63497 is a CRANKSHAFT,ENGINE.
What parts can replace 63497?
There is 1 known substitute for 63497: LA63497. Substitute compatibility should be verified for your specific system.
What is the NSN for 63497?
63497 is cataloged in the U.S. Government catalog under NSN 3120-00-294-0055. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.