PartsTable
Technical Data Sheet
Download PDF

77-220 — CARTRIDGE,12 GAGE SHOTGUN

✓ Government record, cited
Legrand · TAPERED BEARING
PRODUCT OVERVIEW

77-220: CARTRIDGE,12 GAGE SHOTGUN.

The CARTRIDGE,12 GAGE SHOTGUN is a Legrand industrial component. Key specifications include shape: BALL, material: STEEL BALL, type_size: 12 PITCH, unit_type: WAVEGUIDE, bore_shape: STRAIGHT, design_type: UNIDIRECTIONAL. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-155-6490, 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
77-220
NSN: 3110-00-155-6490
NIINs: 001556490, 010840121, 011451073, 014461196, 014695568, 016945088
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 38018 — MANITOWOC ENGINEERING CO DIVISION OF THE MANITOWOC CO INC (USA)
SPECIFICATIONS
shapeBALL
materialSTEEL BALL
type_size12 PITCH
unit_typeWAVEGUIDE
bore_shapeSTRAIGHT
design_typeUNIDIRECTIONAL
bore_diameter100.00 MILLIMETERS NOMINAL MM
overall_width34.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
overall_length10.000 INCHES NOMINAL IN
surface_finishGROUND
shield_quantity2
NSN3110-00-155-6490
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 77-220 · Legrand ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
LUBRICATION MATERIAL: GREASE
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 180.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALGREASE
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
SHIELD QUANTITY2
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH34.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER180.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SUBSTITUTES & CROSS-REFERENCES 2
1220MFFReference document
Same NSN cross-reference
Reference document — Secondary reference
220WDDSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 77-220?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 77-220?
77-220 is a CARTRIDGE,12 GAGE SHOTGUN manufactured by Legrand.
What parts can replace 77-220?
There are 2 known substitutes for 77-220: 1220MFF, 220WDD. Substitute compatibility should be verified for your specific system.
What is the NSN for 77-220?
77-220 is cataloged in the U.S. Government catalog under NSN 3110-00-155-6490. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 77-220

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.