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Technical Data Sheet
PartsTable / COMPONENT / F40307R
F40307R ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,ROLLER,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-269-8528, 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
F40307R
NSN: 3110-01-269-8528
FSC: 3110
CAGE: 96105 — FUNK MFG CO SUB OF DEERE AND CO (USA)
SPECIFICATIONS
special_featuresBRAID COTTON TUBULAR MIL-B-371 TYPE X CLASS 3,ENDS CELLULOSE ACETATE FUNGUS RESISTANT,O/A LG 33.000 IN. MIN AND 34.250 IN. MAX,O/A DIA 0.120 IN.,END LG 0.800 IN. IN
NSN3110-01-269-8528
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: F40307R · 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
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
D-76255Interchangeable
interchangeable cross-reference
interchangeable
76255Interchangeable
interchangeable cross-reference
interchangeable
207056Interchangeable
interchangeable cross-reference
interchangeable
1599/34 LTIPPEDInterchangeable
interchangeable cross-reference
interchangeable
SM-C-657303Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F40307R?
F40307R is a BEARING,ROLLER,TAPERED.
What parts can replace F40307R?
There are 5 known substitutes for F40307R: D-76255, 76255, 207056 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F40307R?
F40307R is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-269-8528. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026