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Technical Data Sheet
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121425-1 — BEARING,BALL,ANNULAR

✓ Government record, cited
3M · TAPERED BEARING
PRODUCT OVERVIEW

121425-1: BEARING,BALL,ANNULAR.

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Vikuiti protection films are designed for application to electronic displays. This part is cataloged in the U.S. Government catalog under NSN 3110-00-763-0149, 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
121425-1
NSN: 3110-00-763-0149
NIINs: 007630149, 015660403
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 72314 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
length2.750 INCHES NOMINAL SHOULDER IN
materialSTEEL CORROSION RESISTING OVERALL
hole_shapeROUND
hole_diameter0.250 INCHES NOMINAL IN
special_featuresTHREAD LENGTH 1.250 INCHES, TENSILE STRENGTH 100.000 PSI IN
style_designatorCONNECTOR
tongue_thickness0.312 INCHES NOMINAL IN
shank_overall_length2.187 INCHES NOMINAL IN
shank_outside_diameter0.500 INCHES NOMINAL IN
supplementary_featuresMADE FROM MCMASTER-CARR PART NUMBER 3796K12
end_item_identification5865-01-535-8887 DETECTING SYSTEM, COUNTERMEASURES
distance_from_end_to_hole_center2.562 INCHES NOMINAL IN
NSN3110-00-763-0149
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 121425-1 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
LUBRICATION MATERIAL: OIL
•
INTERNAL CLEARANCE: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
•
FLANGE OUTSIDE DIAMETER: 0.9690 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
LUBRICATION MATERIALOIL
INTERNAL CLEARANCE0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
FLANGE OUTSIDE DIAMETER0.9690 INCHES NOMINAL IN
SURFACE FINISHGROUND
SHIELD QUANTITY2
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.2812 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
SUBSTITUTES & CROSS-REFERENCES 7
G201-060-018Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
SFR63PPK15-85Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
SSRS77SRNR6DDZM3JReference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
AMFS3KDDFS171Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
SFR63PPDK25-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
1193-45Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 121425-1?
121425-1 is a BEARING,BALL,ANNULAR manufactured by 3M.
What parts can replace 121425-1?
There are 7 known substitutes for 121425-1: G201-060-018, SFR63PPK15-85, SSRS77SRNR6DDZM3J and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 121425-1?
121425-1 is cataloged in the U.S. Government catalog under NSN 3110-00-763-0149. This indicates validated use in U.S. government and defense supply chains.
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