PartsTable
Technical Data Sheet
H3120-661-7874 ✓ 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,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 910 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.8750 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.3750 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN, body_outside_diameter: 0.5635 INCHES MINIMUM AND 0.5640 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 3120-00-661-7874, 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
H3120-661-7874
NSN: 3120-00-661-7874
FSC: 3120
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialCOPPER ALLOY 910 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.8750 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.3750 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN
body_outside_diameter0.5635 INCHES MINIMUM AND 0.5640 INCHES MAXIMUM IN
lubricant_accommodation_styleGROOVED OPEN BOTH ENDS
material_document_and_classificationMIL-B-16261 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_groove_location_and_quantity1 INTERNAL
NSN3120-00-661-7874
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: H3120-661-7874 · 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
CORNER SHAPE: SQUARE ALL CORNERS
SURFACE GROOVE LOCATION AND QUANTITY: 1 INTERNAL
BODY OUTSIDE DIAMETER: 0.5635 INCHES MINIMUM AND 0.5640 INCHES MAXIMUM IN
MATERIAL: COPPER ALLOY 910 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-16261 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER: 0.3750 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN
LUBRICANT ACCOMMODATION STYLE: GROOVED OPEN BOTH ENDS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.8750 INCHES NOMINAL IN
CORNER SHAPESQUARE ALL CORNERS
SURFACE GROOVE LOCATION AND QUANTITY1 INTERNAL
BODY OUTSIDE DIAMETER0.5635 INCHES MINIMUM AND 0.5640 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 910 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16261 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER0.3750 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN
LUBRICANT ACCOMMODATION STYLEGROOVED OPEN BOTH ENDS
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
4011-4Interchangeable
interchangeable cross-reference
interchangeable
49114Interchangeable
interchangeable cross-reference
interchangeable
22043-750HInterchangeable
interchangeable cross-reference
interchangeable
GGGB451TY2GRACL1-17INInterchangeable
interchangeable cross-reference
interchangeable
22043Interchangeable
interchangeable cross-reference
interchangeable
560-182Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H3120-661-7874?
H3120-661-7874 is a BEARING,SLEEVE.
What parts can replace H3120-661-7874?
There are 14 known substitutes for H3120-661-7874: 4011-4, 49114, 22043-750H and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H3120-661-7874?
H3120-661-7874 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-661-7874. This indicates validated use in U.S. government and defense supply chains.
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