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Technical Data Sheet
PartsTable / COMPONENT / FIG 1021 NO. 1203

FIG 1021 NO. 1203 — Technical Data Sheet

✓ 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: RUBBER INNER LAYER, corner_shape: SQUARE ALL CORNERS, overall_length: 8.0000 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 2.0000 INCHES NOMINAL IN, body_outside_diameter: 3.0000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System under NSN 3120-00-288-5054, 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
FIG 1021 NO. 1203
NSN: 3120-00-288-5054
FSC: 3120
CAGE: 0TDN3 — BYFIELD MARINE SUPPLY INC (USA)
SPECIFICATIONS
materialRUBBER INNER LAYER
corner_shapeSQUARE ALL CORNERS
overall_length8.0000 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter2.0000 INCHES NOMINAL IN
body_outside_diameter3.0000 INCHES NOMINAL IN
lubricant_accommodation_styleGROOVED OPEN BOTH ENDS
surface_groove_location_and_quantity1 INTERNAL
NSN3120-00-288-5054
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: FIG 1021 NO. 1203 · 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 INSIDE DIAMETER: 2.0000 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OUTER LAYER
•
SURFACE GROOVE LOCATION AND QUANTITY: 1 INTERNAL
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 3.0000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BODY INSIDE DIAMETER2.0000 INCHES NOMINAL IN
OVERALL LENGTH8.0000 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OUTER LAYER
SURFACE GROOVE LOCATION AND QUANTITY1 INTERNAL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
CORNER SHAPESQUARE ALL CORNERS
MATERIALRUBBER INNER LAYER
BODY OUTSIDE DIAMETER3.0000 INCHES NOMINAL IN
LUBRICANT ACCOMMODATION STYLEGROOVED OPEN BOTH ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
366InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
30207InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
FF-B-187AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
ST125InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3245InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3244InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FIG 1021 NO. 1203?
FIG 1021 NO. 1203 is a BEARING,SLEEVE.
What parts can replace FIG 1021 NO. 1203?
There are 24 known substitutes for FIG 1021 NO. 1203: 366, 30207, FF-B-187A and 21 more. Substitute compatibility should be verified for your specific system.
Is FIG 1021 NO. 1203 still available?
FIG 1021 NO. 1203 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026