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212159 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

212159: CUP,TAPERED ROLLER BEARING.

The CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: PLASTIC AND STEEL, power_source: EXTERNAL AND INTERNAL, movement_type: MOVING COIL, PERMANENT MAGNET, overall_width: 6.000 INCHES NOMINAL IN, pointer_color: BLACK SINGLE INDICATOR ALL RANGES, indicator_type: DIAL W/POINTER. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0518, 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
MRO→ MRO_GENERAL→ 212159
NSN: 3110-00-100-0518
NIINs: 001000518, 004808230, 005173275, 012232980
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 25681 — ITT GOULDS PUMPS, INC. (USA)
SPECIFICATIONS
materialPLASTIC AND STEEL
power_sourceEXTERNAL AND INTERNAL
movement_typeMOVING COIL, PERMANENT MAGNET
overall_width6.000 INCHES NOMINAL IN
pointer_colorBLACK SINGLE INDICATOR ALL RANGES
indicator_typeDIAL W/POINTER
overall_height5.000 INCHES NOMINAL IN
overall_length7.000 INCHES NOMINAL IN
special_featuresHAND CRANK GENERATOR; CARRYING CASE
style_designatorRECTANGULAR OR SQUARE
features_providedELECTRICAL OVERLOAD PROTECTION AND INTERNAL BATTERY ACCOMMODATION AND PORTABLE AND WARNING FEATURE AND ZERO ADJUSTER
measurement_range+0.0 TO 8000.0 OHMS SINGLE INDICATOR SECOND RANGE
NSN3110-00-100-0518
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 212159 · 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
OUTSIDE DIAMETER: 2.8380 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0938 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 WIDTH0.7250 INCHES NOMINAL IN
OUTSIDE DIAMETER2.8380 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0938 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
0212159Reference document
Same NSN cross-reference
Reference document — Secondary reference
76601Reference document
Same NSN cross-reference
Reference document — Secondary reference
1118444Reference document
Same NSN cross-reference
Reference document — Secondary reference
187125Reference document
Same NSN cross-reference
Reference document — Secondary reference
713850Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5838Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 212159?
212159 is a CUP,TAPERED ROLLER BEARING. It is classified as a MRO (MRO_GENERAL).
What parts can replace 212159?
There are 7 known substitutes for 212159: 0212159, 76601, 1118444 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 212159?
212159 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0518. 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.