PartsTable
Technical Data Sheet
W315-21N2 ✓ 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 RING SET,020,AIR COMPRESSORS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 922 OVERALL, corner_shape: SQUARE ALL CORNERS, hole_diameter: 0.2188 INCHES NOMINAL FIRST IN, overall_length: 0.9375 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, material_document_and_classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-878-0174, 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
W315-21N2
NSN: 3120-00-878-0174
FSC: 3120
CAGE: 15645 — COOPER CAMERON CORP COOPER CAMERON VALVES DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY 922 OVERALL
corner_shapeSQUARE ALL CORNERS
hole_diameter0.2188 INCHES NOMINAL FIRST IN
overall_length0.9375 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
material_document_and_classificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
antirotation/lubrication_type_and_quantity2 HOLE
NSN3120-00-878-0174
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: W315-21N2 · 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 DOCUMENT AND CLASSIFICATION: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 2 HOLE
HOLE DIAMETER: 0.2188 INCHES NOMINAL FIRST IN
CORNER SHAPE: SQUARE ALL CORNERS
MATERIAL: COPPER ALLOY 922 OVERALL
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
ANTIROTATION/LUBRICATION TYPE AND QUANTITY2 HOLE
HOLE DIAMETER0.2188 INCHES NOMINAL FIRST IN
CORNER SHAPESQUARE ALL CORNERS
OVERALL LENGTH0.9375 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 922 OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
9107C3-8NDMInterchangeable
interchangeable cross-reference
interchangeable
107-C-3/8Interchangeable
interchangeable cross-reference
interchangeable
701Interchangeable
interchangeable cross-reference
interchangeable
A1395Interchangeable
interchangeable cross-reference
interchangeable
S214-020Interchangeable
Ring Set,020,air Compressors
interchangeable
221322Interchangeable
Ring Set,020,air Compressors
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W315-21N2?
W315-21N2 is a RING SET,020,AIR COMPRESSORS.
What parts can replace W315-21N2?
There are 11 known substitutes for W315-21N2: 9107C3-8NDM, 107-C-3/8, 701 and 8 more. Substitute compatibility should be verified for your specific system.
Is W315-21N2 still available?
W315-21N2 is currently cancelled.
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