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Technical Data Sheet
PartsTable / COMPONENT / 056166
056166 ✓ 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 PRINTED CIRCUIT BOARD is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CRES; OVERSIZED; 7.859 IN. OD; 6.938 IN.

ID; 0.312 IN. THK 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 3120-00-972-8455, 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
056166
NSN: 3120-00-972-8455
FSC: 3120
CAGE: 89926 — NEW HOLLAND CONSTRUCTION (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCRES; OVERSIZED; 7.859 IN. OD; 6.938 IN. ID; 0.312 IN. THK IN
NSN3120-00-972-8455
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 056166 · 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
•
BODY INSIDE DIAMETER: 3.0000 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 3.7500 INCHES NOMINAL IN
•
CORNER SHAPE: SQUARE INSIDE LEFT CORNER
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER3.0000 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER3.7500 INCHES NOMINAL IN
OVERALL LENGTH2.5000 INCHES NOMINAL IN
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE LEFT CORNER
MATERIALSTEEL OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
FEATURES PROVIDEDCASEHARDENED
CORNER SHAPECHAMFERED INSIDE RIGHT CORNER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
80103Interchangeable
interchangeable cross-reference
interchangeable
80092Interchangeable
interchangeable cross-reference
interchangeable
C-056166 ITEM 21Interchangeable
interchangeable cross-reference
interchangeable
0056166Interchangeable
Same NIIN cross-reference
interchangeable
0056166-2Interchangeable
Same NIIN cross-reference
interchangeable
70056166Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 056166?
056166 is a PRINTED CIRCUIT BOARD.
What parts can replace 056166?
There are 6 known substitutes for 056166: 80103, 80092, C-056166 ITEM 21 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 056166?
056166 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-972-8455. 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