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Technical Data Sheet
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051230 — Technical Data Sheet

✓ 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 CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include special_features: REPLACEMENT OR OPTIONAL SINGLE PIECE SUBCOMPONENT FOR MEDICAL ASSAULT CHEST HARNESS SYSTEM, COYOTE BROWN, part_name_assigned_by_controlling_agency: CHEST HARNESS SUBCOMPONENT MEDICAL ASSAULT COYOTE BROWN. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-160-0338, 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
051230
NSN: 3110-00-160-0338
FSC: 3110
CAGE: 06889 — BIG JOE MFG CO (USA)
SPECIFICATIONS
special_featuresREPLACEMENT OR OPTIONAL SINGLE PIECE SUBCOMPONENT FOR MEDICAL ASSAULT CHEST HARNESS SYSTEM, COYOTE BROWN
part_name_assigned_by_controlling_agencyCHEST HARNESS SUBCOMPONENT MEDICAL ASSAULT COYOTE BROWN
NSN3110-00-160-0338
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 051230 · 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
OUTSIDE DIAMETER: 94.985 MILLIMETERS MINIMUM AND 95.000 MILLIMETERS MAXIMUM MM
•
BACKFACE CORNER RADIUS: 2.5 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OVERALL
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
OVERALL WIDTH23.50 MILLIMETERS NOMINAL MM
STYLE DESIGNATORNORMAL ANGLE
SPECIAL FEATURESDUTY CLASS JM SERIES
OUTSIDE DIAMETER94.985 MILLIMETERS MINIMUM AND 95.000 MILLIMETERS MAXIMUM MM
BACKFACE CORNER RADIUS2.5 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
5310PL1686189InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
306-A-27AAA-C8InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
101967-135InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MACH-CBInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6515NCM051101InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
29208R1InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 051230?
051230 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 051230?
There are 10 known substitutes for 051230: 5310PL1686189, 306-A-27AAA-C8, 101967-135 and 7 more. Substitute compatibility should be verified for your specific system.
Is 051230 still available?
051230 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026