PartsTable
Technical Data Sheet
Download PDF

P6878 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

P6878: CUP,TAPERED ROLLER BEARING.

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 material: STEEL OVERALL, design_type: NONREUSABLE, overall_width: 1.3750 INCHES NOMINAL IN, flow_direction: INSIDE OUT, outside_diameter: 7.5000 INCHES NOMINAL IN, style_designator: CYLINDRICAL W/OPEN ENDS. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0614, 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
P6878
NSN: 3110-00-100-0614
NIINs: 001000614, 013886161
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 09605 — BOMAG USA SUB OF UNITED DOMINION INDUSTRIES LTD (USA)
SPECIFICATIONS
materialSTEEL OVERALL
design_typeNONREUSABLE
overall_width1.3750 INCHES NOMINAL IN
flow_directionINSIDE OUT
outside_diameter7.5000 INCHES NOMINAL IN
style_designatorCYLINDRICAL W/OPEN ENDS
backface_corner_radius0.1250 INCHES NOMINAL IN
end_item_identificationCATERPILLAR ASPHALT PAVER MODEL AP-800B
media_for_which_designedFUEL/OIL, HYDROCARBON
standard_tolerance_designationAFBMA CLASS 2
filtering_system_for_which_designedFULL FLOW
NSN3110-00-100-0614
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: P6878 · 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: 7.5000 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
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
STYLE DESIGNATORNORMAL ANGLE
OVERALL WIDTH1.3750 INCHES NOMINAL IN
OUTSIDE DIAMETER7.5000 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 6
71750Reference document
Same NSN cross-reference
Reference document — Secondary reference
313407Reference document
Same NSN cross-reference
Reference document — Secondary reference
4B8393Reference document
Same NSN cross-reference
Reference document — Secondary reference
0210766Reference document
Same NSN cross-reference
Reference document — Secondary reference
256D6Reference document
Same NSN cross-reference
Reference document — Secondary reference
210766Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy P6878?
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 P6878?
P6878 is a CUP,TAPERED ROLLER BEARING.
What parts can replace P6878?
There are 6 known substitutes for P6878: 71750, 313407, 4B8393 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P6878?
P6878 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0614. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — P6878

✓ 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.