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Technical Data Sheet
PartsTable / COMPONENT / 879984
879984 ✓ 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

DUMMY COUPLING,AUTOMOTIVE AIR BR. Key specifications include corner_shape: SQUARE OUTSIDE LEFT CORNER, flange_width: 0.0550 INCHES NOMINAL IN, overall_length: 0.2180 INCHES NOMINAL IN, surface_finish: 63.0 MICROINCHES OVERALL, special_features: BODY OD RELIEVED TO 0.374 IN. MIN AND 0.375 IN.

MAX DIA AND 0.063 IN. W AT RIGHT END IN, style_designator: SOLID, EXTERNAL FLANGE ONE END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-235-8167, 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
879984
NSN: 3120-00-235-8167
FSC: 3120
CAGE: 19139 — EASTMAN KODAK CO (USA)
SPECIFICATIONS
corner_shapeSQUARE OUTSIDE LEFT CORNER
flange_width0.0550 INCHES NOMINAL IN
overall_length0.2180 INCHES NOMINAL IN
surface_finish63.0 MICROINCHES OVERALL
special_featuresBODY OD RELIEVED TO 0.374 IN. MIN AND 0.375 IN. MAX DIA AND 0.063 IN. W AT RIGHT END IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.2560 INCHES MINIMUM AND 0.2580 INCHES MAXIMUM IN
body_outside_diameter0.3770 INCHES MINIMUM AND 0.3780 INCHES MAXIMUM IN
flange_outside_diameter0.6000 INCHES NOMINAL IN
NSN3120-00-235-8167
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 879984 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
220636Interchangeable
interchangeable cross-reference
interchangeable
BX220636NInterchangeable
interchangeable cross-reference
interchangeable
7007-64Interchangeable
interchangeable cross-reference
interchangeable
879984Interchangeable
interchangeable cross-reference
interchangeable
B39-1092Interchangeable
interchangeable cross-reference
interchangeable
91342-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 879984?
879984 is a DUMMY COUPLING,AUTOMOTIVE AIR BR.
What parts can replace 879984?
There are 6 known substitutes for 879984: 220636, BX220636N, 7007-64 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 879984?
879984 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-235-8167. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026