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MIL-STD-102B — Technical Data Sheet

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— · 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 the manufacturer industrial component. Key specifications include bore_diameter: 50.0 MILLIMETERS NOMINAL MM, overall_width: 20.0 MILLIMETERS NOMINAL MM, load_direction: ANGULAR, surface_finish: GROUND, overall_outside_diameter: 90.0 MILLIMETERS NOMINAL MM, internal_fit-up_designation: LOOSE. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-108-9225, 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
MIL-STD-102B
NSN: 3110-00-108-9225
FSC: 3110
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
bore_diameter50.0 MILLIMETERS NOMINAL MM
overall_width20.0 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
overall_outside_diameter90.0 MILLIMETERS NOMINAL MM
internal_fit-up_designationLOOSE
standard_tolerance_designationABEC NO.1
NSN3110-00-108-9225
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MIL-STD-102B · 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
•
MATERIAL: STEEL RETAINER
•
LOAD DIRECTION: RADIAL
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS
OVERALL WIDTH11.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL RETAINER
MATERIALRUBBER SYNTHETIC SEAL
LOAD DIRECTIONRADIAL
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
MATERIALSTEEL BALL
MATERIALSTEEL INNER RING
MATERIALSTEEL OUTER RING
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
Z99502InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
12Z369-158InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
11601752InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
111-03002-8420InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
FFB171ATYPE111CLASS8GRADE00InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3110PL0962381InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-STD-102B?
MIL-STD-102B is a BEARING,BALL,ANNULAR.
What parts can replace MIL-STD-102B?
There are 17 known substitutes for MIL-STD-102B: Z99502, 12Z369-158, 11601752 and 14 more. Substitute compatibility should be verified for your specific system.
Is MIL-STD-102B still available?
MIL-STD-102B 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: October 2026