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Technical Data Sheet
PartsTable / COMPONENT / 101A103
101A103 ✓ 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 BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 1.3125 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.6885 INCHES MINIMUM AND 1.6890 INCHES MAXIMUM IN, body_outside_diameter: 1.8230 INCHES MINIMUM AND 1.8245 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-354-3120, 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
101A103
NSN: 3120-00-354-3120
FSC: 3120
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length1.3125 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.6885 INCHES MINIMUM AND 1.6890 INCHES MAXIMUM IN
body_outside_diameter1.8230 INCHES MINIMUM AND 1.8245 INCHES MAXIMUM IN
antirotation/lubrication_type_and_quantity1 HOLE
NSN3120-00-354-3120
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 101A103 · 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
•
BODY OUTSIDE DIAMETER: 1.8230 INCHES MINIMUM AND 1.8245 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 1.6885 INCHES MINIMUM AND 1.6890 INCHES MAXIMUM IN
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 1 HOLE
•
CORNER SHAPE: SQUARE ALL CORNERS
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.3125 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.8230 INCHES MINIMUM AND 1.8245 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.6885 INCHES MINIMUM AND 1.6890 INCHES MAXIMUM IN
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE
CORNER SHAPESQUARE ALL CORNERS
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1205-1Interchangeable
interchangeable cross-reference
interchangeable
SMC423275Interchangeable
interchangeable cross-reference
interchangeable
MT247RInterchangeable
interchangeable cross-reference
interchangeable
8328373Interchangeable
interchangeable cross-reference
interchangeable
5110-01-434-9891Interchangeable
interchangeable cross-reference
interchangeable
GGG-F-325 TY16CL1STBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 101A103?
101A103 is a BEARING,SLEEVE.
What parts can replace 101A103?
There are 12 known substitutes for 101A103: 1205-1, SMC423275, MT247R and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 101A103?
101A103 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-354-3120. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026