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MS27643-4R — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

MS27643-4R: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING RETAINER, bore_diameter: 0.2500 INCHES NOMINAL IN, alignment_type: SELF-ALIGNING, load_direction: RADIAL, inner_ring_width: 0.6870 INCHES NOMINAL IN, outer_ring_width: 0.4640 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-124-6064, 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
MS27643-4R
NSN: 3110-01-124-6064
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING RETAINER
bore_diameter0.2500 INCHES NOMINAL IN
seal_quantity2
alignment_typeSELF-ALIGNING
load_directionRADIAL
inner_ring_width0.6870 INCHES NOMINAL IN
outer_ring_width0.4640 INCHES NOMINAL IN
special_featuresHEAT STABILIZED FOR OPERATION AT 250 DEG F; 80 PCT FULL OF SPECIFIED LUBRICANT DEGF
style_designatorDOUBLE ROW, SELF ALIGNING
bearing_seal_typeCONTACT
surface_treatmentCADMIUM EXPOSED SURFACES AS MOUNTED
lubrication_materialGREASE
NSN3110-01-124-6064
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MS27643-4R · 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
•
BEARING SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
OUTER RING WIDTH: 0.4640 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED
•
STYLE DESIGNATOR: DOUBLE ROW, SELF ALIGNING
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES BALL
TECHNICAL CHARACTERISTICS
BEARING SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
OUTER RING WIDTH0.4640 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED
STYLE DESIGNATORDOUBLE ROW, SELF ALIGNING
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES BALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3652 ASSN STD 1ST MATERIAL RESPONSE OR AMS 3666 ASSN STD 1ST MATERIAL RESPONSE AND AMS 3666 ASSN STD 2ND MATERIAL RESPONSE SEAL
OVERALL OUTSIDE DIAMETER0.9014 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

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 MS27643-4R?
MS27643-4R is a BEARING,BALL,AIRFRAME.
What is the NSN for MS27643-4R?
MS27643-4R is cataloged in the U.S. Government catalog under NSN 3110-01-124-6064. This indicates validated use in U.S. government and defense supply chains.
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