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310913 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

310913: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include end_item_identification: AIRCRAFT MODEL A-4. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-554-0712, 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
310913
NSN: 3110-00-554-0712
NIINs: 005540712, 010175189
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
end_item_identificationAIRCRAFT MODEL A-4
NSN3110-00-554-0712
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 310913 · 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: 0.0009 INCHES MINIMUM RADIAL AND 0.0019 INCHES MAXIMUM RADIAL IN
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LOCATING FEATURE: NONLOCATING
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SURFACE FINISH: GROUND
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STYLE DESIGNATOR: SINGLE ROW, TWO-DIRECTION LOCATING, TWO LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4616 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
INTERNAL CLEARANCE0.0009 INCHES MINIMUM RADIAL AND 0.0019 INCHES MAXIMUM RADIAL IN
LOCATING FEATURENONLOCATING
SURFACE FINISHGROUND
STYLE DESIGNATORSINGLE ROW, TWO-DIRECTION LOCATING, TWO LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4616 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONPWA 723,DSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATIONPWA 723,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATIONPWA 723,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE ROLLER
OVERALL WIDTH0.7824 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 3
740859Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
740860Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
768295Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 310913?
310913 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 310913?
There are 3 known substitutes for 310913: 740859, 740860, 768295. Substitute compatibility should be verified for your specific system.
What is the NSN for 310913?
310913 is cataloged in the U.S. Government catalog under NSN 3110-00-554-0712. This indicates validated use in U.S. government and defense supply chains.
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