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117997 — PLATE ASSEMBLY,MOTOR MOUNTING

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

117997: PLATE ASSEMBLY,MOTOR MOUNTING.

The PLATE ASSEMBLY,MOTOR MOUNTING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 2330 OR STEEL COMP 4130 OR STEEL COMP 8630 OVERALL, thickness: 0.3125 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN, key_height: 0.636 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN, shear_strength: 100000 SINGLE POUNDS PER SQUARE INCH, circle_diameter: 1.490 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-109-7915, 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
117997
NSN: 3120-00-109-7915
NIINs: 001097915, 005616371, 006020675, 006165507
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 2330 OR STEEL COMP 4130 OR STEEL COMP 8630 OVERALL
thickness0.3125 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN
key_height0.636 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
shear_strength100000 SINGLE POUNDS PER SQUARE INCH
circle_diameter1.490 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
style_designatorROUND BOTTOM
starting_edge_shapeSTRAIGHT
key_size_designationWOODRUFF 25
NSN3120-00-109-7915
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 117997 · 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
•
INNER MEMBER WIDTH: 1.6250 INCHES NOMINAL IN
•
OUTER MEMBER WIDTH: 1.5310 INCHES NOMINAL IN
•
BORE DIAMETER: 2.0000 INCHES NOMINAL IN
•
OUTER MEMBER OUTSIDE DIAMETER: 3.1875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
INNER MEMBER WIDTH1.6250 INCHES NOMINAL IN
OUTER MEMBER WIDTH1.5310 INCHES NOMINAL IN
BORE DIAMETER2.0000 INCHES NOMINAL IN
OUTER MEMBER OUTSIDE DIAMETER3.1875 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 117997?
117997 is a PLATE ASSEMBLY,MOTOR MOUNTING.
What is the NSN for 117997?
117997 is cataloged in the U.S. Government catalog under NSN 3120-00-109-7915. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.