PartsTable
Technical Data Sheet
Download PDF

NA4840 — BEARING,ROLLER,NEEDLE

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

NA4840: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1018 RETAINER, bore_diameter: 200.0 MILLIMETERS NOMINAL MM, overall_width: 50.0 MILLIMETERS NOMINAL MM, alignment_type: RIGID, surface_finish: GROUND, special_features: OIL HOLE AND GROOVE IN OUTER RING. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-282-7552, 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
NA4840
NSN: 3110-01-282-7552
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 0AJV0 — SCHAEFFLER GROUP USA INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1018 RETAINER
bore_diameter200.0 MILLIMETERS NOMINAL MM
overall_width50.0 MILLIMETERS NOMINAL MM
alignment_typeRIGID
surface_finishGROUND
special_featuresOIL HOLE AND GROOVE IN OUTER RING
style_designatorSEPARABLE INNER RACE, WITH ROLLER RETAINER, HARDENED AND GROUND
lubrication_materialLUBRICANT
overall_outside_diameter250.0 MILLIMETERS NOMINAL MM
retainer_fabrication_methodPRESSED
standard_tolerance_designationRBEC NO.1
material_document_and_classificationASTM A576 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
NSN3110-01-282-7552
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: NA4840 · 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
•
LUBRICATION MATERIAL: LUBRICANT
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: SEPARABLE INNER RACE, WITH ROLLER RETAINER, HARDENED AND GROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
•
OVERALL OUTSIDE DIAMETER: 250.0 MILLIMETERS NOMINAL MM
•
ALIGNMENT TYPE: RIGID
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
LUBRICATION MATERIALLUBRICANT
SURFACE FINISHGROUND
STYLE DESIGNATORSEPARABLE INNER RACE, WITH ROLLER RETAINER, HARDENED AND GROUND
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
OVERALL WIDTH50.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER250.0 MILLIMETERS NOMINAL MM
ALIGNMENT TYPERIGID
SPECIAL FEATURESOIL HOLE AND GROOVE IN OUTER RING
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
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
2907772-2Reference 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
Ready to buy NA4840?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is NA4840?
NA4840 is a BEARING,ROLLER,NEEDLE.
What parts can replace NA4840?
There is 1 known substitute for NA4840: 2907772-2. Substitute compatibility should be verified for your specific system.
What is the NSN for NA4840?
NA4840 is cataloged in the U.S. Government catalog under NSN 3110-01-282-7552. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — NA4840