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NR40486B31W-2 — BEARING,BALL,DUPLEX

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

NR40486B31W-2: BEARING,BALL,DUPLEX.

The BEARING,BALL,DUPLEX is a the manufacturer industrial component. Key specifications include material: COTTON AND PLASTIC PHENOLIC RETAINER, bore_diameter: 1.9998 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN, contact_angle: 15.0 DEGREES MINIMUM AND 25.0 DEGREES MAXIMUM, overall_width: 0.4400 INCHES MINIMUM AND 0.4500 INCHES MAXIMUM IN, load_direction: ANGULAR, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-268-5835, 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
NR40486B31W-2
NSN: 3110-01-268-5835
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 83086 — NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION (USA)
SPECIFICATIONS
materialCOTTON AND PLASTIC PHENOLIC RETAINER
bore_diameter1.9998 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN
contact_angle15.0 DEGREES MINIMUM AND 25.0 DEGREES MAXIMUM
overall_width0.4400 INCHES MINIMUM AND 0.4500 INCHES MAXIMUM IN
load_directionANGULAR
surface_finishGROUND
special_featuresVACUUM IMPREGNATION WITH SPECIFIED LUBRICANT
style_designatorCOUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
bearing_preload_rating10.0 POUNDS MINIMUM AND 20.0 POUNDS MAXIMUM LBS
calibration_designatorC
overall_outside_diameter2.4998 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN
bearing_preload_designationMEDIUM
NSN3110-01-268-5835
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: NR40486B31W-2 · 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: MACHINED
•
BEARING PRELOAD RATING: 10.0 POUNDS MINIMUM AND 20.0 POUNDS MAXIMUM LBS
•
SURFACE FINISH: GROUND
•
BEARING PRELOAD DESIGNATION: MEDIUM
•
STYLE DESIGNATOR: COUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
•
MATERIAL DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
•
OVERALL OUTSIDE DIAMETER: 2.4998 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
BEARING PRELOAD RATING10.0 POUNDS MINIMUM AND 20.0 POUNDS MAXIMUM LBS
SURFACE FINISHGROUND
BEARING PRELOAD DESIGNATIONMEDIUM
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
OVERALL WIDTH0.4400 INCHES MINIMUM AND 0.4500 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.4998 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN
CONTACT ANGLE15.0 DEGREES MINIMUM AND 25.0 DEGREES MAXIMUM
LOAD DIRECTIONANGULAR
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
107TAR32-40-15Reference document
Same NSN cross-reference
Reference document — Secondary reference
4610567-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NR40486B31W-2?
NR40486B31W-2 is a BEARING,BALL,DUPLEX.
What parts can replace NR40486B31W-2?
There are 2 known substitutes for NR40486B31W-2: 107TAR32-40-15, 4610567-1. Substitute compatibility should be verified for your specific system.
What is the NSN for NR40486B31W-2?
NR40486B31W-2 is cataloged in the U.S. Government catalog under NSN 3110-01-268-5835. 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.