PartsTable
Technical Data Sheet
12321943 ✓ 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 UNIT,PLAIN is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OR TIN ALLOY OR LEAD ALLOY BEARING, bore_diameter: 1.9970 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN, alignment_type: RIGID, base_thickness: 0.750 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN, housing_length: 3.880 INCHES MINIMUM AND 3.880 INCHES MINIMUM AND 4.120 INCHES MAXIMUM4.120 INCHES MAXIMUM IN, style_designator: PILLOW BLOCK, OPTIONAL SPLIT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-01-243-6301, 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
12321943
NSN: 3130-01-243-6301
FSC: 3130
CAGE: 19382 — REXNORD INDUSTRIES, LLC DIV LINK-BELT BEARING OPERATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OR TIN ALLOY OR LEAD ALLOY BEARING
bore_diameter1.9970 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN
alignment_typeRIGID
base_thickness0.750 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
housing_length3.880 INCHES MINIMUM AND 3.880 INCHES MINIMUM AND 4.120 INCHES MAXIMUM4.120 INCHES MAXIMUM IN
style_designatorPILLOW BLOCK, OPTIONAL SPLIT
mounting_hole_typeROUND, UNTHREADEDROUND, UNTHREADED
load_capability_typeRADIAL
mounting_hole_diameter0.680 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
lubrication_fitting_typePIPE PLUG
height_from_bottom_of_base_to_bore_centerline1.750 INCHES NOMINAL IN
center_to_center_distance_between_mounting_holes_along_width6.000 INCHES NOMINAL6.000 INCHES NOMINAL IN
NSN3130-01-243-6301
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 12321943 · 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
ALIGNMENT TYPE: RIGID
LUBRICATION FITTING TYPE: PIPE PLUG
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH: 6.000 INCHES NOMINAL6.000 INCHES NOMINAL IN
MATERIAL: IRON CAST OR STEEL HOUSING
STYLE DESIGNATOR: PILLOW BLOCK, OPTIONAL SPLIT
BORE DIAMETER: 1.9970 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN
MOUNTING HOLE DIAMETER: 0.680 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
ALIGNMENT TYPERIGID
LUBRICATION FITTING TYPEPIPE PLUG
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH6.000 INCHES NOMINAL6.000 INCHES NOMINAL IN
MATERIALIRON CAST OR STEEL HOUSING
STYLE DESIGNATORPILLOW BLOCK, OPTIONAL SPLIT
MATERIALCOPPER ALLOY OR TIN ALLOY OR LEAD ALLOY BEARING
BORE DIAMETER1.9970 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN
MOUNTING HOLE DIAMETER0.680 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
HEIGHT FROM BOTTOM OF BASE TO BORE CENTERLINE1.750 INCHES NOMINAL IN
LOAD CAPABILITY TYPERADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
212-32Interchangeable
interchangeable cross-reference
interchangeable
9986508Interchangeable
interchangeable cross-reference
interchangeable
SC-B-18885Interchangeable
interchangeable cross-reference
interchangeable
A-A-2928Interchangeable
interchangeable cross-reference
interchangeable
C24406Interchangeable
interchangeable cross-reference
interchangeable
B94.2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12321943?
12321943 is a BEARING UNIT,PLAIN.
What parts can replace 12321943?
There are 17 known substitutes for 12321943: 212-32, 9986508, SC-B-18885 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12321943?
12321943 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-01-243-6301. This indicates validated use in U.S. government and defense supply chains.
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