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2123127 — PLATE,RETAINING,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

2123127: PLATE,RETAINING,BEARING.

The PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include body_diameter: 2.375 INCHES NOMINAL IN, body_thickness: 0.221 INCHES NOMINAL IN, minor_thickness: 0.206 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN, outside_diameter: 3.187 INCHES NOMINAL IN, special_features: TWO ADDITIONAL HOLES ON 2.75 IN. BOLT CIRCLE DIA-0.154 IN.

MIN TO 0.164 IN. MAX DIA IN, style_designator: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-320-4106, 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
2123127
NSN: 3110-01-320-4106
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1025 OVERALL
body_diameter2.375 INCHES NOMINAL IN
body_thickness0.221 INCHES NOMINAL IN
minor_thickness0.206 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
outside_diameter3.187 INCHES NOMINAL IN
special_featuresTWO ADDITIONAL HOLES ON 2.75 IN. BOLT CIRCLE DIA-0.154 IN. MIN TO 0.164 IN. MAX DIA IN
style_designatorROUND
aperture_diameter1.937 INCHES NOMINAL IN
counterbore_depth0.047 INCHES NOMINAL IN
overall_thickness0.437 INCHES NOMINAL IN
surface_treatmentPHOSPHATE MANGANESE OVERALL
mounting_hole_typeROUND, UNTHREADED, COUNTERBORED
NSN3110-01-320-4106
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2123127 · 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
•
BODY DIAMETER: 2.375 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: DOD-P-16232,TYPE M,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MINOR THICKNESS: 0.206 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
•
BOLT CIRCLE HOLE QUANTITY: 3
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED, COUNTERBORED
•
COUNTERBORE DIAMETER: 2.1248 INCHES MINIMUM AND 2.1251 INCHES MAXIMUM IN
•
COUNTERBORE DEPTH: 0.375 INCHES NOMINAL IN
•
MOUNTING HOLE ARRANGEMENT STYLE: SINGLE BOLT HOLE CIRCLE
TECHNICAL CHARACTERISTICS
BODY DIAMETER2.375 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDOD-P-16232,TYPE M,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MINOR THICKNESS0.206 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
BOLT CIRCLE HOLE QUANTITY3
MOUNTING HOLE TYPEROUND, UNTHREADED, COUNTERBORED
COUNTERBORE DIAMETER2.1248 INCHES MINIMUM AND 2.1251 INCHES MAXIMUM IN
COUNTERBORE DEPTH0.375 INCHES NOMINAL IN
MOUNTING HOLE ARRANGEMENT STYLESINGLE BOLT HOLE CIRCLE
OVERALL THICKNESS0.437 INCHES NOMINAL IN
STYLE DESIGNATORROUND
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
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 2123127?
2123127 is a PLATE,RETAINING,BEARING.
What is the NSN for 2123127?
2123127 is cataloged in the U.S. Government catalog under NSN 3110-01-320-4106. 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.