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Technical Data Sheet
PartsTable / COMPONENT / 102-5221
102-5221 ✓ Verified by PartsTable
3M · 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,BALL,ANNULAR is a 3M industrial component. Key specifications include material: STEEL BALL, bore_shape: STRAIGHT, bore_diameter: 0.1250 INCHES NOMINAL IN, overall_width: 0.2187 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-158-8542, 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
102-5221
NSN: 3110-00-158-8542
FSC: 3110
CAGE: 94144 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_shapeSTRAIGHT
bore_diameter0.1250 INCHES NOMINAL IN
overall_width0.2187 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter0.7500 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
standard_tolerance_designationABEC NO.3
NSN3110-00-158-8542
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 102-5221 · 3M ⚠ 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
•
OVERALL OUTSIDE DIAMETER: 0.7500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL INNER RING
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.3
•
SURFACE FINISH: GROUND
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER0.7500 INCHES NOMINAL IN
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL INNER RING
MATERIALSTEEL OUTER RING
STANDARD TOLERANCE DESIGNATIONABEC NO.3
SURFACE FINISHGROUND
LOAD DIRECTIONRADIAL
MATERIALSTEEL BALL
INTERNAL FIT-UP DESIGNATIONSTANDARD
OVERALL WIDTH0.2187 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
06823093Interchangeable
interchangeable cross-reference
interchangeable
MS1Interchangeable
interchangeable cross-reference
interchangeable
G376352Interchangeable
interchangeable cross-reference
interchangeable
MS1-50-0-50UADCInterchangeable
interchangeable cross-reference
interchangeable
MILS18141Interchangeable
interchangeable cross-reference
interchangeable
10069Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 102-5221?
102-5221 is a BEARING,BALL,ANNULAR manufactured by 3M.
What parts can replace 102-5221?
There are 13 known substitutes for 102-5221: 06823093, MS1, G376352 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 102-5221?
102-5221 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-158-8542. 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