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Technical Data Sheet
PartsTable / COMPONENT / FB68-10
FB68-10 ✓ Verified by PartsTable
ACT · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

- Full copper AWG#26 wires, 50µ gold RJ-45 contacts.<br>- Cables are 100% tested.<br>- ACT specifications are verified by independent certification institute. Key specifications include material: OIL LUBRICATING LUBRICATION, corner_shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER, flange_width: 0.0930 INCHES NOMINAL IN, overall_length: 1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-051-7194, 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
FB68-10
NSN: 3120-00-051-7194
FSC: 3120
CAGE: 71041 — ALTRA INDUSTRIAL MOTION CORP. (USA)
SPECIFICATIONS
materialOIL LUBRICATING LUBRICATION
corner_shapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
flange_width0.0930 INCHES NOMINAL IN
overall_length1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
body_outside_diameter0.5010 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN
flange_outside_diameter0.6850 INCHES MINIMUM AND 0.6900 INCHES MAXIMUM IN
nondefinitive_spec/std_data1 TYPE OR A COMPOSITION
material_document_and_classificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-051-7194
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: FB68-10 · ACT ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CORNER SHAPE: SQUARE OUTSIDE RIGHT CORNER
•
MATERIAL: OIL LUBRICATING LUBRICATION
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE OR A COMPOSITION
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
MATERIALOIL LUBRICATING LUBRICATION
CORNER SHAPESQUARE INSIDE RIGHT CORNER
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATA1 TYPE OR A COMPOSITION
MATERIALCOPPER ALLOY OVERALL
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
50-2141Interchangeable
interchangeable cross-reference
interchangeable
050-002141Interchangeable
interchangeable cross-reference
interchangeable
5012141Interchangeable
interchangeable cross-reference
interchangeable
213091-4Interchangeable
interchangeable cross-reference
interchangeable
681014Interchangeable
interchangeable cross-reference
interchangeable
503-041A3-0-12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FB68-10?
FB68-10 is a CAPACITOR,VARIABLE,CERAMIC DIELE manufactured by ACT.
What parts can replace FB68-10?
There are 9 known substitutes for FB68-10: 50-2141, 050-002141, 5012141 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FB68-10?
FB68-10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-051-7194. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026