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Technical Data Sheet
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M103-1 — BEARING,BALL,ANNULAR

✓ Government record, cited
SportX · MRO · MRO_GENERAL
PRODUCT OVERVIEW

M103-1: BEARING,BALL,ANNULAR.

SportX Junior swimming mask, quality two stars. Equipped with polycarbonate safety lenses and adjustable headband. Waterproof and comfortable!

Comes in the colours black and blue in clamshell packaging. Suitable for children from 8 to 12 years. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-5091, 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
MRO→ MRO_GENERAL→ M103-1
NSN: 3110-00-156-5091
NIINs: 001565091, 001838876, 011314700
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 260
constructionSOLID
overall_length10.500 INCHES NOMINAL IN
surface_treatmentTIN
cross-sectional_width0.020 INCHES NOMINAL IN
cross-sectional_height0.430 INCHES NOMINAL IN
body_cross-sectional_shapeRECTANGULAR
material_document_and_classificationQQ-B-613, COMP 2, 1/2H FED SPEC SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-T-10727 MIL SPEC SINGLE TREATMENT RESPONSE
NSN3110-00-156-5091
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M103-1 · SportX ⚠ 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
•
RETAINER FABRICATION METHOD: PRESSED
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 100.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
NONDEFINITIVE SPEC/STD DATA: 123 TYPE AND 00 GRADE
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORNON-SEPARABLE
OVERALL WIDTH36.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER100.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
NONDEFINITIVE SPEC/STD DATA123 TYPE AND 00 GRADE
LOAD DIRECTIONANGULAR
ALIGNMENT TYPESELF-ALIGNING
SUBSTITUTES & CROSS-REFERENCES 9
2309Reference document
Same NSN cross-reference
Reference document — Secondary reference
700847Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
46AX70Reference document
Same NSN cross-reference
Reference document — Secondary reference
72-6970-124Reference document
Same NSN cross-reference
Reference document — Secondary reference
2309SAReference document
Same NSN cross-reference
Reference document — Secondary reference
L6309Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M103-1?
M103-1 is a BEARING,BALL,ANNULAR manufactured by SportX. It is classified as a MRO (MRO_GENERAL).
What parts can replace M103-1?
There are 9 known substitutes for M103-1: 2309, 700847, 46AX70 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M103-1?
M103-1 is cataloged in the U.S. Government catalog under NSN 3110-00-156-5091. This indicates validated use in U.S. government and defense supply chains.
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