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Technical Data Sheet
PartsTable / COMPONENT / D31129
D31129 ✓ Verified by PartsTable
Nathan · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

This educational board game takes up the well - known theme of the big bad wolf, much loved by little ones. Quick, quick! You must finish your harvest before the wolf is fully dressed! The game rules, simple and friendly, offer children two different modes of play: all together against the wolf or every player for themselves. A very original team game that teaches children cooperative values.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-3632, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
D31129
NSN: 3110-00-100-3632
FSC: 3110
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.4375 INCHES NOMINAL IN
bore_diameter4.2500 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
cone_corner_radius0.1406 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-3632
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: D31129 · Nathan ⚠ 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
•
BORE DIAMETER: 4.2500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
CONE WIDTH: 1.4375 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER4.2500 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
CONE WIDTH1.4375 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
339A176Interchangeable
interchangeable cross-reference
interchangeable
17119-17244BInterchangeable
interchangeable cross-reference
interchangeable
FFB187/02-019Interchangeable
interchangeable cross-reference
interchangeable
BT772BInterchangeable
interchangeable cross-reference
interchangeable
772BInterchangeable
interchangeable cross-reference
interchangeable
42880Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D31129?
D31129 is a CONE AND ROLLERS,TAPERED ROLLER manufactured by Nathan.
What parts can replace D31129?
There are 34 known substitutes for D31129: 339A176, 17119-17244B, FFB187/02-019 and 31 more. Substitute compatibility should be verified for your specific system.
Is D31129 still available?
D31129 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026