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38102B — BEARING HALF,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

38102B: BEARING HALF,SLEEVE.

The BEARING HALF,SLEEVE is a the manufacturer industrial component. Key specifications include material: LEAD ALLOY INNER LAYER, corner_shape: SQUARE ALL CORNERS, overall_length: 0.9250 INCHES MINIMUM AND 0.9350 INCHES MAXIMUM IN, style_designator: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES, locking_lug_width: 0.1750 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM IN, surface_treatment: TIN OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-090-5634, 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
38102B
NSN: 3120-00-090-5634
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
materialLEAD ALLOY INNER LAYER
corner_shapeSQUARE ALL CORNERS
overall_length0.9250 INCHES MINIMUM AND 0.9350 INCHES MAXIMUM IN
style_designatorHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
locking_lug_width0.1750 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM IN
surface_treatmentTIN OVERALL
locking_lug_height0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN
locking_lug_length0.1875 INCHES MINIMUM AND 0.2188 INCHES MAXIMUM IN
body_inside_diameter1.7740 INCHES MINIMUM AND 1.7750 INCHES MAXIMUM IN
body_outside_diameter1.8940 INCHES MINIMUM AND 1.8945 INCHES MAXIMUM IN
material_document_and_classificationUNABLE TO DECODE
distance_from_lug_end_to_end_of_bearing0.2200 INCHES MINIMUM AND 0.2275 INCHES MAXIMUM IN
NSN3120-00-090-5634
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 38102B · 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
•
LOCKING LUG HEIGHT: 0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 1.8940 INCHES MINIMUM AND 1.8945 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
•
BODY INSIDE DIAMETER: 1.7740 INCHES MINIMUM AND 1.7750 INCHES MAXIMUM IN
•
LOCKING LUG WIDTH: 0.1750 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
LOCKING LUG HEIGHT0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.8940 INCHES MINIMUM AND 1.8945 INCHES MAXIMUM IN
STYLE DESIGNATORHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
OVERALL LENGTH0.9250 INCHES MINIMUM AND 0.9350 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.7740 INCHES MINIMUM AND 1.7750 INCHES MAXIMUM IN
LOCKING LUG WIDTH0.1750 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM IN
SURFACE TREATMENTTIN OVERALL
DISTANCE FROM LUG END TO END OF BEARING0.2200 INCHES MINIMUM AND 0.2275 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
79221Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 38102B?
38102B is a BEARING HALF,SLEEVE.
What parts can replace 38102B?
There is 1 known substitute for 38102B: 79221. Substitute compatibility should be verified for your specific system.
What is the NSN for 38102B?
38102B is cataloged in the U.S. Government catalog under NSN 3120-00-090-5634. 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.