PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 99550
99550 ✓ 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 weight: 12.000 OUNCES OZ, material: GLASS FIBER HANDLE, head_length: 2.375 INCHES NOMINAL IN, handle_length: 13.000 INCHES NOMINAL IN, special_features: HAMMER INSERTS NOT INCLUDED, face_type_accommodated: SCREW-IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-9805, 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
99550
NSN: 3110-00-100-9805
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
weight12.000 OUNCES OZ
materialGLASS FIBER HANDLE
head_length2.375 INCHES NOMINAL IN
handle_length13.000 INCHES NOMINAL IN
special_featuresHAMMER INSERTS NOT INCLUDED
face_type_accommodatedSCREW-IN
face_diameter_accommodated1.500 INCHES NOMINAL IN
NSN3110-00-100-9805
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 99550 · 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: 2.6250 INCHES NOMINAL IN
•
BORE DIAMETER: 5.5000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE CORNER RADIUS: 0.2812 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 (FLIS)
CONE WIDTH2.6250 INCHES NOMINAL IN
BORE DIAMETER5.5000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE CORNER RADIUS0.2812 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
E6205Interchangeable
interchangeable cross-reference
interchangeable
D1486Interchangeable
interchangeable cross-reference
interchangeable
99550Interchangeable
interchangeable cross-reference
interchangeable
HSF-150Interchangeable
interchangeable cross-reference
interchangeable
GGG-H-33 TY1CL3STDDEAInterchangeable
interchangeable cross-reference
interchangeable
69-009Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 99550?
99550 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 99550?
There are 7 known substitutes for 99550: E6205, D1486, 99550 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 99550?
99550 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-9805. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026