PartsTable
Technical Data Sheet
PartsTable / COMPONENT / P1 1/2
P1 1/2 ✓ 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 P1 1/2 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-622-7667, 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
P1 1/2
NSN: 3120-01-622-7667
FSC: 3120
CAGE: 71176 — EMERSON ELECTRIC CO BROWNING MFG DIV (USA)
SPECIFICATIONS
Part NumberP1 1/2
NSN3120-01-622-7667
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: P1 1/2 · 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
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 3 HOLE
•
FLANGE WIDTH: 0.375 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
KEYWAY DIMENSION: 0.375 INCHES NOMINAL INTERNAL KEYWAY WIDTH IN
•
STYLE DESIGNATOR: SPLIT, EXTERNAL FLANGE ONE END
•
HOLE DIAMETER: 0.3125 INCHES NOMINAL FIRST IN
TECHNICAL CHARACTERISTICS (FLIS)
ANTIROTATION/LUBRICATION TYPE AND QUANTITY3 HOLE
FLANGE WIDTH0.375 INCHES NOMINAL IN
OVERALL LENGTH1.9375 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.500 INCHES NOMINAL IN
KEYWAY DIMENSION0.375 INCHES NOMINAL INTERNAL KEYWAY WIDTH IN
STYLE DESIGNATORSPLIT, EXTERNAL FLANGE ONE END
PART NAME ASSIGNED BY CONTROLLING AGENCYSPLIT TAPERED BUSHING
HOLE DIAMETER0.3125 INCHES NOMINAL FIRST IN
FLANGE OUTSIDE DIAMETER3.000 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.856 INCHES MINIMUM AND 1.938 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
P112Interchangeable
interchangeable cross-reference
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366-1Interchangeable
IBM SAS X-Cable 3m
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51968Interchangeable
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24-562BKInterchangeable
interchangeable cross-reference
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D92Interchangeable
interchangeable cross-reference
interchangeable
137025HInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P1 1/2?
P1 1/2 is a P1 1/2.
What parts can replace P1 1/2?
There are 13 known substitutes for P1 1/2: P112, 366-1, 51968 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P1 1/2?
P1 1/2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-622-7667. 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