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31730-4 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

31730-4: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL, special_features: USED ON PILOT OPERATED CHECK VALVE;PRESSURE RATING:3000.0 LB.MIN,3300.0 LB MAX PSI LBS, end_item_identification: SEAWOLF CLASS SSN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-864-9366, 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
31730-4
NSN: 3110-00-864-9366
NIINs: 008649366, 014298387
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL
special_featuresUSED ON PILOT OPERATED CHECK VALVE;PRESSURE RATING:3000.0 LB.MIN,3300.0 LB MAX PSI LBS
end_item_identificationSEAWOLF CLASS SSN
NSN3110-00-864-9366
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 31730-4 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
RETAINER FABRICATION METHOD: MACHINED
•
INTERNAL CLEARANCE: 0.0017 INCHES MINIMUM RADIAL AND 0.0026 INCHES MAXIMUM RADIAL IN
•
LOCATING FEATURE: ONE DIRECTION
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SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: SINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP OUTER RING, SEPARABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4616 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
INTERNAL CLEARANCE0.0017 INCHES MINIMUM RADIAL AND 0.0026 INCHES MAXIMUM RADIAL IN
LOCATING FEATUREONE DIRECTION
SURFACE FINISHGROUND
STYLE DESIGNATORSINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP OUTER RING, SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4616 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6274 ASSN STD SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6274 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6274 ASSN STD SINGLE MATERIAL RESPONSE ROLLER
OVERALL WIDTH14.0 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 1
317305Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 31730-4?
31730-4 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 31730-4?
There is 1 known substitute for 31730-4: 317305. Substitute compatibility should be verified for your specific system.
What is the NSN for 31730-4?
31730-4 is cataloged in the U.S. Government catalog under NSN 3110-00-864-9366. This indicates validated use in U.S. government and defense supply chains.
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