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42871 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited
Legrand · TAPERED BEARING
PRODUCT OVERVIEW

42871: CUP,TAPERED ROLLER BEARING.

The CUP,TAPERED ROLLER BEARING is a Legrand tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: NICKEL OVERALL, barrel_outside_diameter: 0.406 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: SPUR,GROMMET AND WASHER. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0329, 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
42871
NSN: 3110-00-100-0329
NIINs: 001000329, 014302978, 017081256
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 6N299 — AGCO CORP PARTS OPN (USA)
SPECIFICATIONS
materialNICKEL OVERALL
barrel_outside_diameter0.406 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencySPUR,GROMMET AND WASHER
NSN3110-00-100-0329
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 42871 · Legrand ⚠ 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
OUTSIDE DIAMETER: 5.5115 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
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
STYLE DESIGNATORNORMAL ANGLE
OVERALL WIDTH1.1250 INCHES NOMINAL IN
OUTSIDE DIAMETER5.5115 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBEARING,CUP OTR WHL
END ITEM IDENTIFICATIONMRAP BUFFALO MK2A2
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 9
0042871-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
C392Reference document
Same NSN cross-reference
Reference document — Secondary reference
572Reference document
Same NSN cross-reference
Reference document — Secondary reference
TUAA1239AReference document
Same NSN cross-reference
Reference document — Secondary reference
K572Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A10510XReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 42871?
42871 is a CUP,TAPERED ROLLER BEARING manufactured by Legrand.
What parts can replace 42871?
There are 9 known substitutes for 42871: 0042871-4, C392, 572 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 42871?
42871 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0329. 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.