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DAS12-42B — BEARING,ROLLER,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

DAS12-42B: BEARING,ROLLER,AIRFRAME.

The BEARING,ROLLER,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL ROLLER, bore_diameter: 0.7495 INCHES NOMINAL IN, inner_ring_width: 2.0000 INCHES NOMINAL IN, outer_ring_width: 1.2500 INCHES NOMINAL IN, special_features: 10 DEG SELF ALIGNMENT IN EITHER DIRECTION,HEAT TREATED SLEEVE ON ID, style_designator: CONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-183-9792, 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
DAS12-42B
NSN: 3110-00-183-9792
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77896 — REXNORD INDUSTRIES, LLC DIV AEROSSPACE BEARING OPERATION (USA)
SPECIFICATIONS
materialSTEEL ROLLER
bore_diameter0.7495 INCHES NOMINAL IN
shield_quantity2
inner_ring_width2.0000 INCHES NOMINAL IN
outer_ring_width1.2500 INCHES NOMINAL IN
special_features10 DEG SELF ALIGNMENT IN EITHER DIRECTION,HEAT TREATED SLEEVE ON ID
style_designatorCONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING
surface_treatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
lubrication_materialGREASE
overall_outside_diameter2.6250 INCHES NOMINAL IN
lubrication_material_document_and_classificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-183-9792
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: DAS12-42B · 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: GREASE
•
OUTER RING WIDTH: 1.2500 INCHES NOMINAL IN
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: CONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING
•
OVERALL OUTSIDE DIAMETER: 2.6250 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
•
BORE DIAMETER: 0.7495 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALGREASE
OUTER RING WIDTH1.2500 INCHES NOMINAL IN
SHIELD QUANTITY2
STYLE DESIGNATORCONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING
OVERALL OUTSIDE DIAMETER2.6250 INCHES NOMINAL IN
SPECIAL FEATURES10 DEG SELF ALIGNMENT IN EITHER DIRECTION,HEAT TREATED SLEEVE ON ID
SURFACE TREATMENTCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
BORE DIAMETER0.7495 INCHES NOMINAL IN
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
SUBSTITUTES & CROSS-REFERENCES 2
AB12ANG25Reference document
Same NSN cross-reference
Reference document — Secondary reference
AB12Reference 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 DAS12-42B?
DAS12-42B is a BEARING,ROLLER,AIRFRAME.
What parts can replace DAS12-42B?
There are 2 known substitutes for DAS12-42B: AB12ANG25, AB12. Substitute compatibility should be verified for your specific system.
What is the NSN for DAS12-42B?
DAS12-42B is cataloged in the U.S. Government catalog under NSN 3110-00-183-9792. This indicates validated use in U.S. government and defense supply chains.
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