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MS21443-5BG — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

MS21443-5BG: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL INNER RING, bore_diameter: 0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN, load_direction: RADIAL, inner_ring_width: 0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN, outer_ring_width: 0.5580 INCHES MINIMUM AND 0.5630 INCHES MAXIMUM IN, style_designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-226-8775, 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
MS21443-5BG
NSN: 3110-00-226-8775
NIINs: 002268775, 014498441
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_diameter0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
seal_quantity2
load_directionRADIAL
inner_ring_width0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
outer_ring_width0.5580 INCHES MINIMUM AND 0.5630 INCHES MAXIMUM IN
style_designatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
bearing_seal_typeCONTACT
surface_treatmentCADMIUM AND CHROMATE ALL EXTERNAL/EXPOSED METAL SURFACES
lubrication_materialGREASE
overall_outside_diameter0.9370 INCHES MINIMUM AND 0.9375 INCHES MAXIMUM IN
lubrication_material_document_and_classificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-226-8775
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MS21443-5BG · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
BEARING SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
OUTER RING WIDTH: 0.5630 INCHES NOMINAL IN
•
STYLE DESIGNATOR: DOUBLE ROW
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE MATERIAL RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES
•
OVERALL OUTSIDE DIAMETER: 0.9375 INCHES NOMINAL IN
•
LOAD DIRECTION: ANGULAR
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
BEARING SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
OUTER RING WIDTH0.5630 INCHES NOMINAL IN
STYLE DESIGNATORDOUBLE ROW
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE MATERIAL RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES
OVERALL OUTSIDE DIAMETER0.9375 INCHES NOMINAL IN
LOAD DIRECTIONANGULAR
SURFACE TREATMENTCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
SEAL QUANTITY2
SUBSTITUTES & CROSS-REFERENCES 3
PD5KFS428Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS21443Reference document
Same NSN cross-reference
Reference document — Secondary reference
PD5KE6531Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 MS21443-5BG?
MS21443-5BG is a BEARING,BALL,AIRFRAME.
What parts can replace MS21443-5BG?
There are 3 known substitutes for MS21443-5BG: PD5KFS428, AS21443, PD5KE6531. Substitute compatibility should be verified for your specific system.
What is the NSN for MS21443-5BG?
MS21443-5BG is cataloged in the U.S. Government catalog under NSN 3110-00-226-8775. This indicates validated use in U.S. government and defense supply chains.
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