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M249749-M249710DC — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

M249749-M249710DC: BEARING,ROLLER,TAPERED.

The BEARING,ROLLER,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, cup_width: 4.6250 INCHES NOMINAL IN, cone_width: 2.8125 INCHES NOMINAL IN, bore_diameter: 10.0000 INCHES NOMINAL IN, overall_width: 6.0000 INCHES NOMINAL IN, standout_width: 0.6875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-255-3440, 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
M249749-M249710DC
NSN: 3110-01-255-3440
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width4.6250 INCHES NOMINAL IN
cone_width2.8125 INCHES NOMINAL IN
bore_diameter10.0000 INCHES NOMINAL IN
overall_width6.0000 INCHES NOMINAL IN
standout_width0.6875 INCHES NOMINAL IN
special_featuresONE HOLE IN O.D. FOR LOCKING PIN AND OIL
style_designatorSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES
cone_corner_radius0.1400 INCHES NOMINAL IN
backface_corner_radius0.0600 INCHES NOMINAL IN
end_item_identificationPHILADELPHIA REDUCTION GEAR ONBOARD 378 FT WHEC COAST GUARD VESSEL HAMILTON-HULL NO. 715 FT
overall_outside_diameter14.1250 INCHES NOMINAL IN
NSN3110-01-255-3440
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M249749-M249710DC · 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
•
CUP WIDTH: 4.6250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, DOUBLE CUP, SINGLE CONES
•
OVERALL OUTSIDE DIAMETER: 14.1250 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0600 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.6875 INCHES NOMINAL IN
•
CONE WIDTH: 2.8125 INCHES NOMINAL IN
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
TECHNICAL CHARACTERISTICS
CUP WIDTH4.6250 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES
OVERALL WIDTH6.0000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER14.1250 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0600 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
STANDOUT WIDTH0.6875 INCHES NOMINAL IN
CONE WIDTH2.8125 INCHES NOMINAL IN
SPECIAL FEATURESONE HOLE IN O.D. FOR LOCKING PIN AND OIL
END ITEM IDENTIFICATIONPHILADELPHIA REDUCTION GEAR ONBOARD 378 FT WHEC COAST GUARD VESSEL HAMILTON-HULL NO. 715 FT
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M249749-M249710DC?
M249749-M249710DC is a BEARING,ROLLER,TAPERED.
What is the NSN for M249749-M249710DC?
M249749-M249710DC is cataloged in the U.S. Government catalog under NSN 3110-01-255-3440. 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.