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M1287 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

M1287: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: ALUMINUM BODY, body_style: SINGLE CONNECTION, STRAIGHT FLOW, temp_adjustability: NOT ADJUSTABLE, media_for_which_designed: WATER, SALT. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-554-2987, 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
M1287
NSN: 3110-00-554-2987
NIINs: 005542987, 012206636
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
materialALUMINUM BODY
body_styleSINGLE CONNECTION, STRAIGHT FLOW
temp_adjustabilityNOT ADJUSTABLE
end_connection_quantity1
media_for_which_designedWATER, SALT
NSN3110-00-554-2987
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M1287 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 1
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 150.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
SHIELD QUANTITY1
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH35.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER150.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SUBSTITUTES & CROSS-REFERENCES 8
7314Reference document
Same NSN cross-reference
Reference document — Secondary reference
314MFQ6A7Reference document
Same NSN cross-reference
Reference document — Secondary reference
131-314-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
314ZReference document
Same NSN cross-reference
Reference document — Secondary reference
1314MFReference document
Same NSN cross-reference
Reference document — Secondary reference
314MFReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M1287?
M1287 is a BEARING,BALL,ANNULAR.
What parts can replace M1287?
There are 8 known substitutes for M1287: 7314, 314MFQ6A7, 131-314-7 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M1287?
M1287 is cataloged in the U.S. Government catalog under NSN 3110-00-554-2987. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.