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3W54174 — BEARING HALF,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

3W54174: BEARING HALF,SLEEVE.

The BEARING HALF,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY INNER LAYER, corner_shape: SQUARE ALL CORNERS, hole_diameter: 0.1880 INCHES NOMINAL FIRST IN, overall_length: 2.8600 INCHES MINIMUM AND 2.8900 INCHES MAXIMUM IN, style_designator: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES, locking_lug_width: 0.1610 INCHES MINIMUM AND 0.1930 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-993-0448, 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
3W54174
NSN: 3120-00-993-0448
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 8FGX3 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
materialCOPPER ALLOY INNER LAYER
corner_shapeSQUARE ALL CORNERS
hole_diameter0.1880 INCHES NOMINAL FIRST IN
overall_length2.8600 INCHES MINIMUM AND 2.8900 INCHES MAXIMUM IN
style_designatorHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
locking_lug_width0.1610 INCHES MINIMUM AND 0.1930 INCHES MAXIMUM IN
hole_spacing_angle60.0 DEGREES NOMINAL
locking_lug_height0.2030 INCHES MINIMUM AND 0.2340 INCHES MAXIMUM IN
locking_lug_length0.0500 INCHES NOMINAL IN
body_inside_diameter1.9860 INCHES MINIMUM AND 2.0160 INCHES MAXIMUM IN
body_outside_diameter2.1100 INCHES MINIMUM AND 2.1400 INCHES MAXIMUM IN
lubricant_accommodation_styleGROOVED CIRCULAR
NSN3120-00-993-0448
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 3W54174 · 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
•
CORNER SHAPE: SQUARE ALL CORNERS
•
DISTANCE FROM CENTERLINE OF OPENING TO LEFT END OF BEARING: 0.8750 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM FIRST IN
•
LOCKING LUG HEIGHT: 0.2030 INCHES MINIMUM AND 0.2340 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 2.1100 INCHES MINIMUM AND 2.1400 INCHES MAXIMUM IN
•
HOLE SPACING ANGLE: 60.0 DEGREES NOMINAL
•
STYLE DESIGNATOR: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 1.9860 INCHES MINIMUM AND 2.0160 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
DISTANCE FROM CENTERLINE OF OPENING TO LEFT END OF BEARING0.8750 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM FIRST IN
LOCKING LUG HEIGHT0.2030 INCHES MINIMUM AND 0.2340 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER2.1100 INCHES MINIMUM AND 2.1400 INCHES MAXIMUM IN
HOLE SPACING ANGLE60.0 DEGREES NOMINAL
STYLE DESIGNATORHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH2.8600 INCHES MINIMUM AND 2.8900 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.9860 INCHES MINIMUM AND 2.0160 INCHES MAXIMUM IN
LUBRICANT ACCOMMODATION STYLEGROOVED CIRCULAR
LOCKING LUG WIDTH0.1610 INCHES MINIMUM AND 0.1930 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3W54174?
3W54174 is a BEARING HALF,SLEEVE.
What is the NSN for 3W54174?
3W54174 is cataloged in the U.S. Government catalog under NSN 3120-00-993-0448. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.