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Technical Data Sheet
PartsTable / COMPONENT / 317776
317776 ✓ 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 HALF,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY INNER LAYER, corner_shape: SQUARE OUTSIDE LEFT CORNER, hole_diameter: 0.3437 INCHES NOMINAL FIRST IN, overall_length: 2.3650 INCHES MINIMUM AND 2.3850 INCHES MAXIMUM IN, style_designator: SEGMENTED, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 3.5007 INCHES NOMINAL 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 3120-00-147-9649, 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
317776
NSN: 3120-00-147-9649
FSC: 3120
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
materialCOPPER ALLOY INNER LAYER
corner_shapeSQUARE OUTSIDE LEFT CORNER
hole_diameter0.3437 INCHES NOMINAL FIRST IN
overall_length2.3650 INCHES MINIMUM AND 2.3850 INCHES MAXIMUM IN
special_featuresANTIROTATION HOLE TO BE DRILL THRU 0.377 MIN,0.378 IN. MAX DIA,REAM 0.1875 IN. DEEP,0.0156 IN. BY 45 DEGREES CHAMFER ON CENTERLINE OF SHELL,BEARING SURFACE TO BE INDIUM COATED IN
style_designatorSEGMENTED, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter3.5007 INCHES NOMINAL IN
body_outside_diameter3.7500 INCHES MINIMUM AND 3.7502 INCHES MAXIMUM IN
lubricant_accommodation_styleGROOVED CLOSED BOTH ENDS
surface_groove_location_and_quantity2 INTERNAL
antirotation/lubrication_type_and_quantity1 HOLE
NSN3120-00-147-9649
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 317776 · 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
•
STYLE DESIGNATOR: SEGMENTED, PLAIN, NO OUTSIDE FLANGES
•
HOLE DIAMETER: 0.3437 INCHES NOMINAL FIRST IN
•
CORNER SHAPE: SQUARE OUTSIDE RIGHT CORNER
•
LUBRICANT ACCOMMODATION STYLE: GROOVED CLOSED BOTH ENDS
•
BODY INSIDE DIAMETER: 3.5007 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSEGMENTED, PLAIN, NO OUTSIDE FLANGES
HOLE DIAMETER0.3437 INCHES NOMINAL FIRST IN
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
SPECIAL FEATURESANTIROTATION HOLE TO BE DRILL THRU 0.377 MIN,0.378 IN. MAX DIA,REAM 0.1875 IN. DEEP,0.0156 IN. BY 45 DEGREES CHAMFER ON CENTERLINE OF SHELL,BEARING SURFACE TO BE INDIUM COATED IN
OVERALL LENGTH2.3650 INCHES MINIMUM AND 2.3850 INCHES MAXIMUM IN
CORNER SHAPECHAMFERED INSIDE LEFT CORNER
LUBRICANT ACCOMMODATION STYLEGROOVED CLOSED BOTH ENDS
BODY INSIDE DIAMETER3.5007 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER3.7500 INCHES MINIMUM AND 3.7502 INCHES MAXIMUM IN
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
317776Interchangeable
interchangeable cross-reference
interchangeable
321945Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 317776?
317776 is a BEARING HALF,SLEEVE.
What parts can replace 317776?
There are 2 known substitutes for 317776: 317776, 321945. Substitute compatibility should be verified for your specific system.
What is the NSN for 317776?
317776 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-147-9649. 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