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101-181M020 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

101-181M020: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, corner_shape: SQUARE ALL CORNERS, special_features: 0.020 IN.UNDER STD SIZE IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, lubricant_accommodation_style: GROOVED CIRCULAR, antirotation/lubrication_type_and_quantity: 1 HOLE. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-646-9869, 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
101-181M020
NSN: 3120-00-646-9869
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
corner_shapeSQUARE ALL CORNERS
special_features0.020 IN.UNDER STD SIZE IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
lubricant_accommodation_styleGROOVED CIRCULAR
antirotation/lubrication_type_and_quantity1 HOLE
NSN3120-00-646-9869
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 101-181M020 · 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
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
LUBRICANT ACCOMMODATION STYLE: GROOVED CIRCULAR
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 1 HOLE
•
MATERIAL: ALUMINUM ALLOY OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
LUBRICANT ACCOMMODATION STYLEGROOVED CIRCULAR
SPECIAL FEATURES0.020 IN.UNDER STD SIZE IN
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE
MATERIALALUMINUM ALLOY OVERALL
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 1
101K181M020Reference 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 101-181M020?
101-181M020 is a BEARING,SLEEVE.
What parts can replace 101-181M020?
There is 1 known substitute for 101-181M020: 101K181M020. Substitute compatibility should be verified for your specific system.
What is the NSN for 101-181M020?
101-181M020 is cataloged in the U.S. Government catalog under NSN 3120-00-646-9869. 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.