PartsTable
Technical Data Sheet
203187 ✓ 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: STEEL CORROSION RESISTING AND PLASTIC, furnished_data: LIQUID LEVEL, nominal_thread_size: 2.25 INCHES SINGLE END IN, data_furnishing_method: FLOAT BALL, end_item_identification: A/S48M-4 UMS, media_for_which_designed: ANY ACCEPTABLE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-728-6064, 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
203187
NSN: 3120-00-728-6064
FSC: 3120
CAGE: 91820 — JETRONIC INDUSTRIES, INC. DBA JETRONIC INDUSTRIES, INC. DIV CONTRACTS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING AND PLASTIC
furnished_dataLIQUID LEVEL
nominal_thread_size2.25 INCHES SINGLE END IN
data_furnishing_methodFLOAT BALL
end_item_identificationA/S48M-4 UMS
media_for_which_designedANY ACCEPTABLE
thread_quantity_per_inch5.0 SINGLE END
NSN3120-00-728-6064
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 203187 · 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
MATERIAL: OIL LUBRICATING LUBRICATION
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
CORNER SHAPE: SQUARE ALL CORNERS
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALOIL LUBRICATING LUBRICATION
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
CORNER SHAPESQUARE ALL CORNERS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5687,TY 1,COMP A OR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIALCOPPER ALLOY OVERALL
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL
OVERALL LENGTH0.3120 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
12736Interchangeable
interchangeable cross-reference
interchangeable
226463-000Interchangeable
interchangeable cross-reference
interchangeable
123SCH144-6Interchangeable
interchangeable cross-reference
interchangeable
203187Interchangeable
interchangeable cross-reference
interchangeable
44664-1Interchangeable
interchangeable cross-reference
interchangeable
19006Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 203187?
203187 is a BEARING,SLEEVE.
What parts can replace 203187?
There are 11 known substitutes for 203187: 12736, 226463-000, 123SCH144-6 and 8 more. Substitute compatibility should be verified for your specific system.
Is 203187 still available?
203187 is currently cancelled.
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