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MDPP4-400 — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

MDPP4-400: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OUTER RING, bore_diameter: 0.2497 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, load_direction: RADIAL, inner_ring_width: 0.6175 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN, outer_ring_width: 0.4860 INCHES MINIMUM AND 0.4910 INCHES MAXIMUM IN, special_features: 80 PCT FULL SPECIFIED LUBRICANT; INWARD CONVERGENT ANGLE. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-265-6708, 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
MDPP4-400
NSN: 3110-01-265-6708
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OUTER RING
bore_diameter0.2497 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
seal_quantity2
load_directionRADIAL
inner_ring_width0.6175 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN
outer_ring_width0.4860 INCHES MINIMUM AND 0.4910 INCHES MAXIMUM IN
special_features80 PCT FULL SPECIFIED LUBRICANT; INWARD CONVERGENT ANGLE
style_designatorDOUBLE ROW
bearing_seal_typeCONTACT
surface_treatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
internal_clearance0.0001 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASE
NSN3110-01-265-6708
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MDPP4-400 · 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: 0.4860 INCHES MINIMUM AND 0.4910 INCHES MAXIMUM IN
•
INTERNAL CLEARANCE: 0.0001 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
•
STYLE DESIGNATOR: DOUBLE ROW
•
OVERALL OUTSIDE DIAMETER: 0.9010 INCHES MINIMUM AND 0.9014 INCHES MAXIMUM IN
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
BEARING SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
OUTER RING WIDTH0.4860 INCHES MINIMUM AND 0.4910 INCHES MAXIMUM IN
INTERNAL CLEARANCE0.0001 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
STYLE DESIGNATORDOUBLE ROW
OVERALL OUTSIDE DIAMETER0.9010 INCHES MINIMUM AND 0.9014 INCHES MAXIMUM IN
LOAD DIRECTIONRADIAL
SPECIAL FEATURES80 PCT FULL SPECIFIED LUBRICANT; INWARD CONVERGENT ANGLE
SURFACE TREATMENTCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
SEAL QUANTITY2
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
D2-70481Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MDPP4-400?
MDPP4-400 is a BEARING,BALL,AIRFRAME.
What parts can replace MDPP4-400?
There is 1 known substitute for MDPP4-400: D2-70481. Substitute compatibility should be verified for your specific system.
What is the NSN for MDPP4-400?
MDPP4-400 is cataloged in the U.S. Government catalog under NSN 3110-01-265-6708. 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.