PartsTable
Technical Data Sheet
Download PDF

504923 — CONE AND ROLLERS,TAPERED ROLLER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

504923: CONE AND ROLLERS,TAPERED ROLLER.

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include general_characteristics_item_description: STEEL QQ-S-764,TYPE 303,1.160 IN. O/A LG IN, part_name_assigned_by_controlling_agency: NAVY SPECIAL PROJECT.

This part is cataloged in the U.S. Government catalog under NSN 3110-00-814-0630, 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
504923
NSN: 3110-00-814-0630
NIINs: 008140630, 010621639
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60764 — WIGGINS LIFT CO INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL QQ-S-764,TYPE 303,1.160 IN. O/A LG IN
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN3110-00-814-0630
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 504923 · 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
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
CONE WIDTH: 1.1563 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 1.8750 INCHES NOMINAL IN
•
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
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
CONE WIDTH1.1563 INCHES NOMINAL IN
SPECIAL FEATURESDUTY CL HM SERIES
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER1.8750 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
D-100639Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
230420Reference document
Same NSN cross-reference
Reference document — Secondary reference
1025Z2025Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
HM804846Reference document
Same NSN cross-reference
Reference document — Secondary reference
9-049-105604Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
392679R91Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 504923?
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 504923?
504923 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 504923?
There are 7 known substitutes for 504923: D-100639, 230420, 1025Z2025 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 504923?
504923 is cataloged in the U.S. Government catalog under NSN 3110-00-814-0630. 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 — 504923

✓ 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.