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A0000878 ✓ 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 SEMICONDUCTOR DEVICE,PHOTO is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE ALL CORNERS, hole_diameter: 0.1875 INCHES NOMINAL FIRST IN, overall_length: 1.2500 INCHES NOMINAL IN, style_designator: SPLIT, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.6211 INCHES MINIMUM AND 0.6222 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-360-8120, 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
A0000878
NSN: 3120-00-360-8120
FSC: 3120
CAGE: 22852 — SPALLA INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE ALL CORNERS
hole_diameter0.1875 INCHES NOMINAL FIRST IN
overall_length1.2500 INCHES NOMINAL IN
style_designatorSPLIT, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.6211 INCHES MINIMUM AND 0.6222 INCHES MAXIMUM IN
body_outside_diameter0.7585 INCHES MINIMUM AND 0.7595 INCHES MAXIMUM IN
antirotation/lubrication_type_and_quantity2 HOLE
NSN3120-00-360-8120
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A0000878 · 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
•
STYLE DESIGNATOR: SPLIT, PLAIN, NO OUTSIDE FLANGES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 0.7585 INCHES MINIMUM AND 0.7595 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.1875 INCHES NOMINAL FIRST IN
•
BODY INSIDE DIAMETER: 0.6211 INCHES MINIMUM AND 0.6222 INCHES MAXIMUM IN
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 2 HOLE
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.2500 INCHES NOMINAL IN
STYLE DESIGNATORSPLIT, PLAIN, NO OUTSIDE FLANGES
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER0.7585 INCHES MINIMUM AND 0.7595 INCHES MAXIMUM IN
HOLE DIAMETER0.1875 INCHES NOMINAL FIRST IN
BODY INSIDE DIAMETER0.6211 INCHES MINIMUM AND 0.6222 INCHES MAXIMUM IN
ANTIROTATION/LUBRICATION TYPE AND QUANTITY2 HOLE
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
530767-1Interchangeable
interchangeable cross-reference
interchangeable
352-0976-010Interchangeable
interchangeable cross-reference
interchangeable
LS600Interchangeable
interchangeable cross-reference
interchangeable
900889Interchangeable
interchangeable cross-reference
interchangeable
B60BInterchangeable
interchangeable cross-reference
interchangeable
16021Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A0000878?
A0000878 is a SEMICONDUCTOR DEVICE,PHOTO.
What parts can replace A0000878?
There are 10 known substitutes for A0000878: 530767-1, 352-0976-010, LS600 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A0000878?
A0000878 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-360-8120. 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