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HSU30-101 — BEARING,PLAIN,SPHERICAL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

HSU30-101: BEARING,PLAIN,SPHERICAL.

The BEARING,PLAIN,SPHERICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 172 OR COPPER ALLOY 173 OVERALL, corner_shape: SQUARE INSIDE LEFT CORNER, hole_diameter: 0.0900 INCHES NOMINAL FIRST IN, overall_length: 1.6200 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES RIGHT END SURFACE, special_features: BOTHSIDES OF BALL FLATS CHAMFERED 30.0 DEG BY 0.0290 IN. DEEP TO 2.2400 IN.DIA IN.

This part is cataloged in the U.S. Government catalog under NSN 3120-00-910-0099, 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
HSU30-101
NSN: 3120-00-910-0099
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 02758 — U S BEARINGS (USA)
SPECIFICATIONS
materialCOPPER ALLOY 172 OR COPPER ALLOY 173 OVERALL
corner_shapeSQUARE INSIDE LEFT CORNER
hole_diameter0.0900 INCHES NOMINAL FIRST IN
overall_length1.6200 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES RIGHT END SURFACE
special_featuresBOTHSIDES OF BALL FLATS CHAMFERED 30.0 DEG BY 0.0290 IN. DEEP TO 2.2400 IN.DIA IN
style_designatorSOLID
body_inside_diameter1.8740 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN
spherical_body_diameter2.8990 INCHES MINIMUM AND 2.9000 INCHES MAXIMUM IN
lubricant_accommodation_styleGROOVED CIRCULAR
material_document_and_classificationQQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
antirotation/lubrication_type_and_quantity4 HOLE
NSN3120-00-910-0099
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: HSU30-101 · 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
•
SURFACE FINISH: 125.0 MICROINCHES LEFT END SURFACE
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
•
STYLE DESIGNATOR: SOLID
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES LEFT END SURFACE
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE
SURFACE FINISH16.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
STYLE DESIGNATORSOLID
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.6200 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.8740 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN
LUBRICANT ACCOMMODATION STYLEGROOVED CIRCULAR
SUBSTITUTES & CROSS-REFERENCES 1
2572403Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HSU30-101?
HSU30-101 is a BEARING,PLAIN,SPHERICAL.
What parts can replace HSU30-101?
There is 1 known substitute for HSU30-101: 2572403. Substitute compatibility should be verified for your specific system.
What is the NSN for HSU30-101?
HSU30-101 is cataloged in the U.S. Government catalog under NSN 3120-00-910-0099. 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.