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Technical Data Sheet
PartsTable / COMPONENT / BS5-1583PC4
BS5-1583PC4 ✓ 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 OVERALL, corner_shape: SQUARE ALL CORNERS, flange_width: 0.3750 INCHES NOMINAL IN, overall_length: 2.2500 INCHES NOMINAL IN, keyway_dimension: 1.7500 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN, special_features: TWO MTG HOLES IN THE FLANGE,0.3750 IN. DIA,2.5000IN.

CENTER TO CENTER 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 3120-00-218-4177, 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
BS5-1583PC4
NSN: 3120-00-218-4177
FSC: 3120
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE ALL CORNERS
flange_width0.3750 INCHES NOMINAL IN
overall_length2.2500 INCHES NOMINAL IN
keyway_dimension1.7500 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN
special_featuresTWO MTG HOLES IN THE FLANGE,0.3750 IN. DIA,2.5000IN. CENTER TO CENTER IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.8750 INCHES NOMINAL IN
body_outside_diameter1.5000 INCHES NOMINAL IN
flange_outside_diameter3.3125 INCHES NOMINAL IN
NSN3120-00-218-4177
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: BS5-1583PC4 · 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
•
KEYWAY DIMENSION: 0.1875 INCHES NOMINAL INTERNAL KEYWAY WIDTH IN
•
FLANGE OUTSIDE DIAMETER: 3.3125 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
CORNER SHAPE: SQUARE ALL CORNERS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH2.2500 INCHES NOMINAL IN
KEYWAY DIMENSION0.1875 INCHES NOMINAL INTERNAL KEYWAY WIDTH IN
FLANGE OUTSIDE DIAMETER3.3125 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
SPECIAL FEATURESTWO MTG HOLES IN THE FLANGE,0.3750 IN. DIA,2.5000IN. CENTER TO CENTER IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
KEYWAY DIMENSION0.0937 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN
CORNER SHAPESQUARE ALL CORNERS
KEYWAY DIMENSION1.7500 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN
FLANGE WIDTH0.3750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
219404Interchangeable
interchangeable cross-reference
interchangeable
39256CInterchangeable
interchangeable cross-reference
interchangeable
PC212PInterchangeable
interchangeable cross-reference
interchangeable
L2-1Interchangeable
interchangeable cross-reference
interchangeable
1977041-1Interchangeable
interchangeable cross-reference
interchangeable
A3249Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BS5-1583PC4?
BS5-1583PC4 is a BEARING,SLEEVE.
What parts can replace BS5-1583PC4?
There are 14 known substitutes for BS5-1583PC4: 219404, 39256C, PC212P and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BS5-1583PC4?
BS5-1583PC4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-218-4177. 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