PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 8682878
8682878 ✓ 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: STEEL COMP 1212 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.7500 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.6865 INCHES MINIMUM AND 0.6880 INCHES MAXIMUM IN, body_outside_diameter: 0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-425-7100, 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
8682878
NSN: 3120-00-425-7100
FSC: 3120
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1212 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.7500 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.6865 INCHES MINIMUM AND 0.6880 INCHES MAXIMUM IN
body_outside_diameter0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-425-7100
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 8682878 · 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
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL: STEEL COMP 1212 OVERALL
•
BODY OUTSIDE DIAMETER: 0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 0.6865 INCHES MINIMUM AND 0.6880 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPESQUARE ALL CORNERS
MATERIALSTEEL COMP 1212 OVERALL
BODY OUTSIDE DIAMETER0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH0.7500 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.6865 INCHES MINIMUM AND 0.6880 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
664046Interchangeable
interchangeable cross-reference
interchangeable
WIR306WInterchangeable
interchangeable cross-reference
interchangeable
4606X1AInterchangeable
interchangeable cross-reference
interchangeable
4606-0006Interchangeable
interchangeable cross-reference
interchangeable
4606Interchangeable
interchangeable cross-reference
interchangeable
6002-153Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8682878?
8682878 is a BEARING,SLEEVE.
What parts can replace 8682878?
There are 14 known substitutes for 8682878: 664046, WIR306W, 4606X1A and 11 more. Substitute compatibility should be verified for your specific system.
Is 8682878 still available?
8682878 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