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Technical Data Sheet
PartsTable / COMPONENT / M1013-8
M1013-8 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 510 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.7500 INCHES NOMINAL IN, surface_finish: 63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY, special_features: FLEET BALLISTIC MISSLE QUALITY AS IDENTIFIED BY QUALITY CONTROL NO. POSO 911129, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-882-9640, 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
M1013-8
NSN: 3120-00-882-9640
FSC: 3120
CAGE: 71041 — ALTRA INDUSTRIAL MOTION CORP. (USA)
SPECIFICATIONS
materialCOPPER ALLOY 510 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.7500 INCHES NOMINAL IN
surface_finish63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
special_featuresFLEET BALLISTIC MISSLE QUALITY AS IDENTIFIED BY QUALITY CONTROL NO. POSO 911129
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.6230 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
body_outside_diameter0.8140 INCHES MINIMUM AND 0.8150 INCHES MAXIMUM IN
departure_from_cited_designatorAS MODIFIED BY SPECIAL FEATURES
material_document_and_classificationQQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-882-9640
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: M1013-8 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: COPPER ALLOY 510 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE FINISH: 63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY SPECIAL FEATURES
•
BODY INSIDE DIAMETER: 0.6230 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESFLEET BALLISTIC MISSLE QUALITY AS IDENTIFIED BY QUALITY CONTROL NO. POSO 911129
MATERIALCOPPER ALLOY 510 OVERALL
OVERALL LENGTH0.7500 INCHES NOMINAL IN
MATERIALOIL LUBRICATING LUBRICATION
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE FINISH63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY SPECIAL FEATURES
BODY INSIDE DIAMETER0.6230 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
CORNER SHAPESQUARE ALL CORNERS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
K1216-8Interchangeable
interchangeable cross-reference
interchangeable
D251Interchangeable
interchangeable cross-reference
interchangeable
WC1216-8Interchangeable
interchangeable cross-reference
interchangeable
MS35771-25Interchangeable
interchangeable cross-reference
interchangeable
MS35771Interchangeable
interchangeable cross-reference
interchangeable
NAS73-10-102Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M1013-8?
M1013-8 is a BEARING,SLEEVE.
What parts can replace M1013-8?
There are 20 known substitutes for M1013-8: K1216-8, D251, WC1216-8 and 17 more. Substitute compatibility should be verified for your specific system.
Is M1013-8 still available?
M1013-8 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: July 2026