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120-188 — Technical Data Sheet

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— · 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

SPIDER,UNIVERSAL JOINT,VEHICULAR. Key specifications include style_designator: SPLIT, PLAIN, NO OUTSIDE FLANGES, surface_treatment: CADMIUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3120-01-235-9730, 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
120-188
NSN: 3120-01-235-9730
FSC: 3120
CAGE: 4B175 — PRESTOLITE ELECTRIC INC (USA)
SPECIFICATIONS
style_designatorSPLIT, PLAIN, NO OUTSIDE FLANGES
surface_treatmentCADMIUM OVERALL
NSN3120-01-235-9730
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 120-188 · 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
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT, PLAIN, NO OUTSIDE FLANGES
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
794088InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
20188InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
D8TZ3249-AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3-0332InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
374InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
DA90AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120-188?
120-188 is a SPIDER,UNIVERSAL JOINT,VEHICULAR.
What parts can replace 120-188?
There are 10 known substitutes for 120-188: 794088, 20188, D8TZ3249-A and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 120-188?
120-188 is cataloged in the Federal Logistics Information System under NSN 3120-01-235-9730. 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: September 2026