PartsTable
Technical Data Sheet
B342 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
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 B342 is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BEARING, block_type: SNATCH, load_rating: 24000.0 POUNDS MAXIMUM LBS, bearing_type: PLAIN, corner_shape: SQUARE ALL CORNERS, locking_style: DROP LINK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-516-2057, 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
MRO MRO_GENERAL B342
NSN: 3120-00-516-2057
FSC: 3120
CAGE: 71041 — ALTRA INDUSTRIAL MOTION CORP. (USA)
SPECIFICATIONS
materialCOPPER ALLOY BEARING
block_typeSNATCH
load_rating24000.0 POUNDS MAXIMUM LBS
bearing_typePLAIN
corner_shapeSQUARE ALL CORNERS
locking_styleDROP LINK
overall_length0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN
sheave_quantity2
attachment_styleOBLONG SWIVEL EYE AND SHACKLE
style_designatorROUND PATTERN
surface_treatmentVARNISH OVERALL
antitoppling_deviceNOT INCLUDED
NSN3120-00-516-2057
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: B342 · 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: SOLID, PLAIN, NO OUTSIDE FLANGES
CORNER SHAPE: SQUARE ALL CORNERS
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND A COMPOSITION
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: COPPER ALLOY OVERALL
BODY OUTSIDE DIAMETER: 0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
CORNER SHAPESQUARE ALL CORNERS
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A COMPOSITION
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
MATERIALOIL LUBRICATING LUBRICATION
BODY OUTSIDE DIAMETER0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
OVERALL LENGTH0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.1880 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
B342Interchangeable
interchangeable cross-reference
interchangeable
MILB11837Interchangeable
interchangeable cross-reference
interchangeable
AA59390-C3B8Interchangeable
interchangeable cross-reference
interchangeable
79C0101-00Interchangeable
interchangeable cross-reference
interchangeable
522-0001A REV B-Q70Interchangeable
interchangeable cross-reference
interchangeable
1410-0141Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B342?
B342 is a B342. It is classified as a MRO (MRO_GENERAL).
What parts can replace B342?
There are 7 known substitutes for B342: B342, MILB11837, AA59390-C3B8 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B342?
B342 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-516-2057. This indicates validated use in U.S. government and defense supply chains.
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