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064-20643B — BEARING,COMPRESSOR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

064-20643B: BEARING,COMPRESSOR.

The BEARING,COMPRESSOR is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: A1,O/A DIA 3.997 IN. MIN TO 3.999 IN.

MAX IN. This part is cataloged in the U.S. Government catalog under NSN 3110-00-978-7253, 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
064-20643B
NSN: 3110-00-978-7253
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 66935 — JOHNSON CONTROLS NAVY SYSTEMS, LLC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionA1,O/A DIA 3.997 IN. MIN TO 3.999 IN. MAX IN
NSN3110-00-978-7253
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 064-20643B · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: A1,O/A DIA 3.997 IN. MIN TO 3.999 IN. MAX IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONA1,O/A DIA 3.997 IN. MIN TO 3.999 IN. MAX 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 064-20643B?
064-20643B is a BEARING,COMPRESSOR.
What is the NSN for 064-20643B?
064-20643B is cataloged in the U.S. Government catalog under NSN 3110-00-978-7253. This indicates validated use in U.S. government and defense supply chains.
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