PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 78277
78277 ✓ Verified by PartsTable
Clementoni · 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 Clementoni tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include special_features: 1ST STAGE AUXILIARY COOLER WITH ATTACHING FITTINGS, end_item_identification: BREATHING AIR COMPRESSOR, part_name_assigned_by_controlling_agency: COOLER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-4419, 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
78277
NSN: 3110-00-100-4419
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
special_features1ST STAGE AUXILIARY COOLER WITH ATTACHING FITTINGS
end_item_identificationBREATHING AIR COMPRESSOR
part_name_assigned_by_controlling_agencyCOOLER
NSN3110-00-100-4419
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 78277 · Clementoni ⚠ 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
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BACKFACE CORNER RADIUS: 0.1300 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
CUP WIDTH: 1.5000 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 7.1250 INCHES NOMINAL IN
•
BORE DIAMETER: 4.1250 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 (FLIS)
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BACKFACE CORNER RADIUS0.1300 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
CUP WIDTH1.5000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER7.1250 INCHES NOMINAL IN
BORE DIAMETER4.1250 INCHES NOMINAL IN
OVERALL WIDTH1.8750 INCHES NOMINAL IN
CONE WIDTH1.8900 INCHES NOMINAL IN
STANDOUT WIDTH0.3750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
469-2Interchangeable
interchangeable cross-reference
interchangeable
78-277Interchangeable
interchangeable cross-reference
interchangeable
FIG 7-2-78/4Interchangeable
interchangeable cross-reference
interchangeable
A0S1-545Interchangeable
Same NIIN cross-reference
interchangeable
25Z259D173Interchangeable
Same NIIN cross-reference
interchangeable
772AND782Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 78277?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 78277?
78277 is a BEARING,ROLLER,TAPERED manufactured by Clementoni.
What parts can replace 78277?
There are 8 known substitutes for 78277: 469-2, 78-277, FIG 7-2-78/4 and 5 more. Substitute compatibility should be verified for your specific system.
Is 78277 still available?
78277 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 78277

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026