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Technical Data Sheet
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5503-10 — 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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include special_features: NON-ASBESTOS, end_item_identification: 2 IN. NB25025-MAC IN, part_name_assigned_by_controlling_agency: STEM PACKING.

This part is cataloged in the Federal Logistics Information System under NSN 3110-00-100-0784, 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
5503-10
NSN: 3110-00-100-0784
FSC: 3110
CAGE: 79419 — WATSON H S CO (USA)
SPECIFICATIONS
special_featuresNON-ASBESTOS
end_item_identification2 IN. NB25025-MAC IN
part_name_assigned_by_controlling_agencySTEM PACKING
NSN3110-00-100-0784
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 5503-10 · 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
•
CONE WIDTH: 1.1975 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
CONE CORNER RADIUS: 0.0900 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 0.9375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
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
CONE WIDTH1.1975 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
CONE CORNER RADIUS0.0900 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER0.9375 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
3659InterchangeableGOVERNMENT REGISTRY
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160762InterchangeableGOVERNMENT REGISTRY
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78GInterchangeableGOVERNMENT REGISTRY
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HA261InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
60-11807InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
06254203InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5503-10?
5503-10 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 5503-10?
There are 20 known substitutes for 5503-10: 3659, 160762, 78G and 17 more. Substitute compatibility should be verified for your specific system.
Is 5503-10 still available?
5503-10 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: September 2026