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171981 — PLATE,RETAINING,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

171981: PLATE,RETAINING,BEARING.

The PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, outside_diameter: 3.395 INCHES NOMINAL IN, style_designator: ROUND, aperture_diameter: 2.575 INCHES NOMINAL IN, countersink_angle: 82.0 DEGREES NOMINAL, overall_thickness: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-227-1534, 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
171981
NSN: 3110-01-227-1534
NIINs: 012271534, 012342801
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 07070 — UNITED STATES DEPARTMENT OF THE NAVY DBA NAVAL SURFACE WARFARE CENTER PANAMA CITY (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
outside_diameter3.395 INCHES NOMINAL IN
style_designatorROUND
aperture_diameter2.575 INCHES NOMINAL IN
countersink_angle82.0 DEGREES NOMINAL
overall_thickness0.375 INCHES NOMINAL IN
mounting_hole_typeROUND, UNTHREADED, COUNTERSUNK
countersink_diameter0.280 INCHES NOMINAL IN
raised_surface_height0.225 INCHES NOMINAL IN
mounting_hole_diameter0.144 INCHES NOMINAL IN
end_item_identification3895-01-013-3630
inside_surface_conditionSMOOTH
NSN3110-01-227-1534
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 171981 · OEM ⚠ 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
•
COUNTERSINK DIAMETER: 0.280 INCHES NOMINAL IN
•
RAISED SURFACE HEIGHT: 0.225 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 4
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED, COUNTERSUNK
•
MOUNTING HOLE ARRANGEMENT STYLE: SINGLE BOLT HOLE CIRCLE
•
OVERALL THICKNESS: 0.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
MOUNTING HOLE DIAMETER: 0.144 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
COUNTERSINK DIAMETER0.280 INCHES NOMINAL IN
RAISED SURFACE HEIGHT0.225 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY4
MOUNTING HOLE TYPEROUND, UNTHREADED, COUNTERSUNK
MOUNTING HOLE ARRANGEMENT STYLESINGLE BOLT HOLE CIRCLE
OVERALL THICKNESS0.375 INCHES NOMINAL IN
STYLE DESIGNATORROUND
MOUNTING HOLE DIAMETER0.144 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERAISED SURFACE W/ APERTURE
OUTSIDE DIAMETER3.395 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 171981?
171981 is a PLATE,RETAINING,BEARING.
What is the NSN for 171981?
171981 is cataloged in the U.S. Government catalog under NSN 3110-01-227-1534. This indicates validated use in U.S. government and defense supply chains.
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