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Technical Data Sheet
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177383 — BEARING,BALL,ANNULAR

✓ Government record, cited
Hama · TAPERED BEARING
PRODUCT OVERVIEW

177383: BEARING,BALL,ANNULAR.

- Perfect all-round protection for the Sony Xperia Z5 Premium in a slim look - Slip-in compartments for cards or the like - Soft inside lining that protects the sensitive display - Booklet case with a slim design - Two inner compartments e.g. for business cards - Smartphone holder with rubber finish that is pleasant to the touch - Pleasant silky outer material - Without fastener This part is cataloged in the U.S. Government catalog under NSN 3110-00-236-5230, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
177383
NSN: 3110-00-236-5230
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 71791 — CURTISS-WRIGHT CONTROLS, INC. DBA CURTISS WRIGHT DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT
bore_diameter4.5000 INCHES NOMINAL IN
contact_angle25.0 DEGREES MINIMUM
overall_width0.2500 INCHES NOMINAL IN
load_directionANGULAR
surface_finishGROUND
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
overall_outside_diameter5.0000 INCHES NOMINAL IN
retainer_fabrication_methodMACHINED
NSN3110-00-236-5230
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 177383 · Hama ⚠ 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
•
RETAINER FABRICATION METHOD: MACHINED
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 5.0000 INCHES NOMINAL IN
•
BORE SHAPE: STRAIGHT
•
CONTACT ANGLE: 25.0 DEGREES MINIMUM
•
LOAD DIRECTION: ANGULAR
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
OVERALL WIDTH0.2500 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER5.0000 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
CONTACT ANGLE25.0 DEGREES MINIMUM
LOAD DIRECTIONANGULAR
BORE DIAMETER4.5000 INCHES NOMINAL IN
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 1
KA45AHSame 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
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FREQUENTLY ASKED QUESTIONS
What is 177383?
177383 is a BEARING,BALL,ANNULAR manufactured by Hama.
What parts can replace 177383?
There is 1 known substitute for 177383: KA45AH. Substitute compatibility should be verified for your specific system.
What is the NSN for 177383?
177383 is cataloged in the U.S. Government catalog under NSN 3110-00-236-5230. 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.