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A2246 ✓ 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 ROLLER,LINEAR-ROTARY MOTION is a the manufacturer industrial component. Key specifications include material: STEEL, face_width: 0.188 INCHES NOMINAL IN, bore_length: 0.625 INCHES NOMINAL IN, flange_width: 0.089 INCHES NOMINAL IN, outside_diameter: 2.000 INCHES NOMINAL IN, special_features: BEARING SCHATZ PART NO. AD2030 PRESS FIT IN ROLLER.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-231-6907, 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
A2246
NSN: 3120-00-231-6907
FSC: 3120
CAGE: 99831 — METALFAB INC (USA)
SPECIFICATIONS
materialSTEEL
face_width0.188 INCHES NOMINAL IN
bore_length0.625 INCHES NOMINAL IN
flange_width0.089 INCHES NOMINAL IN
outside_diameter2.000 INCHES NOMINAL IN
special_featuresBEARING SCHATZ PART NO. AD2030 PRESS FIT IN ROLLER
style_designatorPLAIN, PROTRUDING HUBS W/GROOVED FACE
bore_inside_diameter0.935 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
NSN3120-00-231-6907
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A2246 · 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
•
BORE LENGTH: 0.625 INCHES NOMINAL IN
•
FACE WIDTH: 0.188 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.089 INCHES NOMINAL IN
•
BORE INSIDE DIAMETER: 0.935 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN, PROTRUDING HUBS W/GROOVED FACE
•
MATERIAL: STEEL
•
OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BORE LENGTH0.625 INCHES NOMINAL IN
FACE WIDTH0.188 INCHES NOMINAL IN
FLANGE WIDTH0.089 INCHES NOMINAL IN
BORE INSIDE DIAMETER0.935 INCHES NOMINAL IN
SPECIAL FEATURESBEARING SCHATZ PART NO. AD2030 PRESS FIT IN ROLLER
STYLE DESIGNATORPLAIN, PROTRUDING HUBS W/GROOVED FACE
MATERIALSTEEL
OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
23557Interchangeable
interchangeable cross-reference
interchangeable
DPM18-2Interchangeable
interchangeable cross-reference
interchangeable
M83421/01-0243MInterchangeable
interchangeable cross-reference
interchangeable
MIL-C-83421/1Interchangeable
interchangeable cross-reference
interchangeable
A2246Interchangeable
interchangeable cross-reference
interchangeable
AAU-31/A-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A2246?
A2246 is a ROLLER,LINEAR-ROTARY MOTION.
What parts can replace A2246?
There are 18 known substitutes for A2246: 23557, DPM18-2, M83421/01-0243M and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A2246?
A2246 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-231-6907. 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