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MDW5A3738 — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

MDW5A3738: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include bore_diameter: 0.3122 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN, alignment_type: SELF-ALIGNING, inner_ring_width: 0.9355 INCHES MINIMUM AND 0.9380 INCHES MAXIMUM IN, outer_ring_width: 0.8080 INCHES MINIMUM AND 0.8130 INCHES MAXIMUM IN, style_designator: DOUBLE ROW, surface_treatment: CADMIUM EXPOSED SURFACES AS MOUNTED. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-183-6632, 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
MDW5A3738
NSN: 3110-01-183-6632
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 3NPS1 — RBC AIRCRAFT PRODUCTS, INC. (USA)
SPECIFICATIONS
bore_diameter0.3122 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
alignment_typeSELF-ALIGNING
inner_ring_width0.9355 INCHES MINIMUM AND 0.9380 INCHES MAXIMUM IN
outer_ring_width0.8080 INCHES MINIMUM AND 0.8130 INCHES MAXIMUM IN
style_designatorDOUBLE ROW
surface_treatmentCADMIUM EXPOSED SURFACES AS MOUNTED
lubrication_materialLUBRICANT
overall_outside_diameter0.8746 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
lubrication_material_document_and_classificationMIL-G-81322 MIL STD SINGLE MATERIAL RESPONSE
NSN3110-01-183-6632
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MDW5A3738 · 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
•
LUBRICATION MATERIAL: LUBRICANT
•
OUTER RING WIDTH: 0.8080 INCHES MINIMUM AND 0.8130 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: DOUBLE ROW
•
OVERALL OUTSIDE DIAMETER: 0.8746 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
•
ALIGNMENT TYPE: SELF-ALIGNING
•
SURFACE TREATMENT: CADMIUM EXPOSED SURFACES AS MOUNTED
•
BORE DIAMETER: 0.3122 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-81322 MIL STD SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALLUBRICANT
OUTER RING WIDTH0.8080 INCHES MINIMUM AND 0.8130 INCHES MAXIMUM IN
STYLE DESIGNATORDOUBLE ROW
OVERALL OUTSIDE DIAMETER0.8746 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
ALIGNMENT TYPESELF-ALIGNING
SURFACE TREATMENTCADMIUM EXPOSED SURFACES AS MOUNTED
BORE DIAMETER0.3122 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-81322 MIL STD SINGLE MATERIAL RESPONSE
INNER RING WIDTH0.9355 INCHES MINIMUM AND 0.9380 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
HS4633-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
MDW5Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 MDW5A3738?
MDW5A3738 is a BEARING,BALL,AIRFRAME.
What parts can replace MDW5A3738?
There are 2 known substitutes for MDW5A3738: HS4633-5, MDW5. Substitute compatibility should be verified for your specific system.
What is the NSN for MDW5A3738?
MDW5A3738 is cataloged in the U.S. Government catalog under NSN 3110-01-183-6632. 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.