PartsTable
Technical Data Sheet
A212890 ✓ 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 841 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 1.0000 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.3135 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN, body_outside_diameter: 0.4395 INCHES MINIMUM AND 0.4405 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-020-8925, 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
A212890
NSN: 3120-01-020-8925
FSC: 3120
CAGE: 16583 — GH BETTIS A GALVESTON-HOUSTON CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY 841 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length1.0000 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.3135 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN
body_outside_diameter0.4395 INCHES MINIMUM AND 0.4405 INCHES MAXIMUM IN
NSN3120-01-020-8925
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A212890 · 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: 0.4395 INCHES MINIMUM AND 0.4405 INCHES MAXIMUM IN
CORNER SHAPE: SQUARE ALL CORNERS
MATERIAL: COPPER ALLOY 841 OVERALL
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
BODY INSIDE DIAMETER: 0.3135 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER0.4395 INCHES MINIMUM AND 0.4405 INCHES MAXIMUM IN
CORNER SHAPESQUARE ALL CORNERS
MATERIALCOPPER ALLOY 841 OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
BODY INSIDE DIAMETER0.3135 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN
OVERALL LENGTH1.0000 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
012890Interchangeable
interchangeable cross-reference
interchangeable
12890Interchangeable
interchangeable cross-reference
interchangeable
STD176Interchangeable
interchangeable cross-reference
interchangeable
AN805-2Interchangeable
interchangeable cross-reference
interchangeable
1769XDMPC49Interchangeable
interchangeable cross-reference
interchangeable
12733Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A212890?
A212890 is a BEARING,SLEEVE.
What parts can replace A212890?
There are 13 known substitutes for A212890: 012890, 12890, STD176 and 10 more. Substitute compatibility should be verified for your specific system.
Is A212890 still available?
A212890 is currently cancelled.
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