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F2031-4 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

F2031-4: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: PLATE, bore_shape: STRAIGHT, plate_width: 0.505 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN, thread_class: 3B, bore_diameter: 70.00 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-5254, 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
F2031-4
NSN: 3110-00-156-5254
NIINs: 001565254, 010861734
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_stylePLATE
bore_shapeSTRAIGHT
plate_width0.505 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN
thread_class3B
bore_diameter70.00 MILLIMETERS NOMINAL MM
overall_width35.0 MILLIMETERS NOMINAL MM
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
load_directionRADIAL
surface_finishGROUND
locking_featurePREVAILING TORQUE ALL METAL DESIGN
plate_thickness0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
NSN3110-00-156-5254
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: F2031-4 · 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 150.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
OVERALL WIDTH35.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER150.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
SPECIAL FEATURES15 DEGREE CONTACT ANGLE
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SUBSTITUTES & CROSS-REFERENCES 1
314RSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is F2031-4?
F2031-4 is a BEARING,BALL,ANNULAR.
What parts can replace F2031-4?
There is 1 known substitute for F2031-4: 314R. Substitute compatibility should be verified for your specific system.
What is the NSN for F2031-4?
F2031-4 is cataloged in the U.S. Government catalog under NSN 3110-00-156-5254. 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.