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402031 — CIRCUIT CARD ASSEMBLY

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

402031: CIRCUIT CARD ASSEMBLY.

The CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include cup_width: 0.6250 INCHES NOMINAL IN, shank_length: 0.516 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN, thread_class: 3A A, bore_diameter: 2.0000 INCHES NOMINAL IN, overall_width: 0.7874 INCHES NOMINAL IN, thread_length: 0.391 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-3879, 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
402031
NSN: 3110-00-100-3879
NIINs: 001003879, 002297076, 006382216, 012505541, 013261995
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 83299 — HYSTER-YALE GROUP, INC. DBA YALE MATERIALS HANDLING (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
cup_width0.6250 INCHES NOMINAL IN
shank_length0.516 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
thread_class3A A
bore_diameter2.0000 INCHES NOMINAL IN
overall_width0.7874 INCHES NOMINAL IN
thread_length0.391 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
overall_length1.186 INCHES NOMINAL IN
standout_width0.1624 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
style_designatorROUND, CLOSED W/SHOULDER
thread_directionRIGHT-HAND
NSN3110-00-100-3879
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 402031 · 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
•
CUP WIDTH: 0.6250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
OVERALL OUTSIDE DIAMETER: 3.5433 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0780 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0620 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.1624 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
TECHNICAL CHARACTERISTICS
CUP WIDTH0.6250 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
OVERALL WIDTH0.7874 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER3.5433 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0780 INCHES NOMINAL IN
CONE CORNER RADIUS0.0620 INCHES NOMINAL IN
STANDOUT WIDTH0.1624 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER2.0000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
368-362Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS19081-85Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
FF-B-187Reference document
Same NSN cross-reference
Reference document — Identification reference
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 402031?
402031 is a CIRCUIT CARD ASSEMBLY.
What parts can replace 402031?
There are 3 known substitutes for 402031: 368-362, MS19081-85, FF-B-187. Substitute compatibility should be verified for your specific system.
What is the NSN for 402031?
402031 is cataloged in the U.S. Government catalog under NSN 3110-00-100-3879. 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.