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4NBC612YJ6J — BEARING,ROLLER,NEEDLE

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

4NBC612YJ6J: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 0.2500 INCHES NOMINAL IN, alignment_type: RIGID, inner_ring_width: 0.3750 INCHES NOMINAL IN, outer_ring_width: 0.2812 INCHES NOMINAL IN, special_features: OIL HOLE AND OIL GROOVE IN INNER RACE AND CHROME PLATED OD. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-227-3597, 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
4NBC612YJ6J
NSN: 3110-00-227-3597
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 51588 — RBC BEARINGS INCORPORATED DIV WEST TRENTON DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter0.2500 INCHES NOMINAL IN
alignment_typeRIGID
inner_ring_width0.3750 INCHES NOMINAL IN
outer_ring_width0.2812 INCHES NOMINAL IN
special_featuresOIL HOLE AND OIL GROOVE IN INNER RACE AND CHROME PLATED OD
style_designatorAIRFRAME, HARDENED AND GROUND, NON-SEPARABLE
surface_treatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
lubrication_materialGREASE
overall_outside_diameter0.7500 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
lubrication_material_document_and_classificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-227-3597
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4NBC612YJ6J · 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: 0.2812 INCHES NOMINAL IN
•
STYLE DESIGNATOR: AIRFRAME, HARDENED AND GROUND, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 0.7500 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
SURFACE TREATMENT: CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALGREASE
OUTER RING WIDTH0.2812 INCHES NOMINAL IN
STYLE DESIGNATORAIRFRAME, HARDENED AND GROUND, NON-SEPARABLE
OVERALL OUTSIDE DIAMETER0.7500 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
SPECIAL FEATURESOIL HOLE AND OIL GROOVE IN INNER RACE AND CHROME PLATED OD
SURFACE TREATMENTCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
BORE DIAMETER0.2500 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
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 2
4NBC612YJMILG7118Reference document
Same NSN cross-reference
Reference document — Secondary reference
4NBC6126JMILG23827Reference 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 4NBC612YJ6J?
4NBC612YJ6J is a BEARING,ROLLER,NEEDLE.
What parts can replace 4NBC612YJ6J?
There are 2 known substitutes for 4NBC612YJ6J: 4NBC612YJMILG7118, 4NBC6126JMILG23827. Substitute compatibility should be verified for your specific system.
What is the NSN for 4NBC612YJ6J?
4NBC612YJ6J is cataloged in the U.S. Government catalog under NSN 3110-00-227-3597. This indicates validated use in U.S. government and defense supply chains.
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