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05-1631 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited
Legrand · TAPERED BEARING
PRODUCT OVERVIEW

05-1631: 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 features_provided: CARRYING CASE, design_designation: WELCH-ALLYN, part_name_assigned_by_controlling_agency: FIBER OPTIC LARYNGOSCOPE KIT 3 BLADES W/CASE. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0334, 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
05-1631
NSN: 3110-00-100-0334
NIINs: 001000334, 015342369
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 89926 — NEW HOLLAND CONSTRUCTION (USA)
SPECIFICATIONS
blade_size3
features_providedCARRYING CASE
component_quantity5
design_designationWELCH-ALLYN
part_name_assigned_by_controlling_agencyFIBER OPTIC LARYNGOSCOPE KIT 3 BLADES W/CASE
NSN3110-00-100-0334
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 05-1631 · 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: 6.0000 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 WIDTH1.2500 INCHES NOMINAL IN
OUTSIDE DIAMETER6.0000 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 10
149541Reference document
Same NSN cross-reference
Reference document — Secondary reference
TB17BReference document
Same NSN cross-reference
Reference document — Secondary reference
64AX73Reference document
Same NSN cross-reference
Reference document — Secondary reference
30094Reference document
Same NSN cross-reference
Reference document — Secondary reference
1077Reference document
Same NSN cross-reference
Reference document — Secondary reference
WR1148Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 05-1631?
05-1631 is a CUP,TAPERED ROLLER BEARING manufactured by Legrand.
What parts can replace 05-1631?
There are 10 known substitutes for 05-1631: 149541, TB17B, 64AX73 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 05-1631?
05-1631 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0334. 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.