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ABG-4 ✓ 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,PLAIN,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OUTER RACE MEMBER, bore_diameter: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, style_designator: WITHOUT INSERT OR LINER, surface_treatment: CADMIUM OUTER RACE MEMBER, inner_member_width: 0.3410 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM IN, outer_member_width: 0.2450 INCHES MINIMUM AND 0.2550 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 3120-01-099-7317, 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
ABG-4
NSN: 3120-01-099-7317
FSC: 3120
CAGE: 50294 — NEW HAMPSHIRE BALL BEARINGS INC DIV PRECISION DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP E4340 OUTER RACE MEMBER
bore_diameter0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
style_designatorWITHOUT INSERT OR LINER
surface_treatmentCADMIUM OUTER RACE MEMBER
inner_member_width0.3410 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM IN
outer_member_width0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN
lubrication_featureGROOVE AND PERFORATION OUTER RACE MEMBER
static_radial_load_rating8400 POUNDS LBS
outer_member_outside_diameter0.6557 INCHES MINIMUM AND 0.6562 INCHES MAXIMUM IN
NSN3120-01-099-7317
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: ABG-4 · 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
•
OUTER MEMBER WIDTH: 0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CHROMIUM INNER MEMBER
•
MATERIAL: STEEL COMP E52100 INNER MEMBER
•
OUTER MEMBER OUTSIDE DIAMETER: 0.6557 INCHES MINIMUM AND 0.6562 INCHES MAXIMUM IN
•
BORE DIAMETER: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
•
STATIC RADIAL LOAD RATING: 8400 POUNDS LBS
TECHNICAL CHARACTERISTICS (FLIS)
OUTER MEMBER WIDTH0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN
SURFACE TREATMENTCHROMIUM INNER MEMBER
MATERIALSTEEL COMP E52100 INNER MEMBER
MATERIALSTEEL COMP E4340 OUTER RACE MEMBER
SURFACE TREATMENTCADMIUM OUTER RACE MEMBER
OUTER MEMBER OUTSIDE DIAMETER0.6557 INCHES MINIMUM AND 0.6562 INCHES MAXIMUM IN
BORE DIAMETER0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
STATIC RADIAL LOAD RATING8400 POUNDS LBS
INNER MEMBER WIDTH0.3410 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM IN
LUBRICATION FEATUREGROOVE AND PERFORATION OUTER RACE MEMBER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
327-16Interchangeable
interchangeable cross-reference
interchangeable
C8004-09-003FN100Interchangeable
interchangeable cross-reference
interchangeable
16-16 160143CInterchangeable
interchangeable cross-reference
interchangeable
4722-16-16SInterchangeable
interchangeable cross-reference
interchangeable
327-16-16Interchangeable
interchangeable cross-reference
interchangeable
149-468Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ABG-4?
ABG-4 is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace ABG-4?
There are 14 known substitutes for ABG-4: 327-16, C8004-09-003FN100, 16-16 160143C and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ABG-4?
ABG-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-099-7317. 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