PartsTable
Technical Data Sheet
PartsTable / MRO / 312M
312M ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

CAPACITOR,VARIABLE,MICA DIELECTR. Key specifications include material: STEEL OVERALL, body_style: COMPRESSION, body_width: 0.875 INCHES NOMINAL IN, bore_shape: STRAIGHT, body_height: 0.500 INCHES NOMINAL IN, body_length: 0.938 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6775, 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→ 312M
NSN: 3110-00-155-6775
FSC: 3110
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleCOMPRESSION
body_width0.875 INCHES NOMINAL IN
bore_shapeSTRAIGHT
body_height0.500 INCHES NOMINAL IN
body_length0.938 INCHES NOMINAL IN
bore_diameter60.0 MILLIMETERS NOMINAL MM
bushing_shapeROUND
overall_width31.0 MILLIMETERS NOMINAL MM
inclosure_typeENCASED
load_directionRADIAL
surface_finishGROUND
NSN3110-00-155-6775
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 312M · 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
•
MATERIAL: STEEL BALL
•
LOAD DIRECTION: RADIAL
•
BORE DIAMETER: 60.00 MILLIMETERS NOMINAL MM
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
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)
OVERALL WIDTH31.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL BALL
MATERIALSTEEL INNER RING
MATERIALSTEEL OUTER RING
LOAD DIRECTIONRADIAL
BORE DIAMETER60.00 MILLIMETERS NOMINAL MM
INTERNAL FIT-UP DESIGNATIONSTANDARD
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
OVERALL OUTSIDE DIAMETER130.0 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
M186Interchangeable
interchangeable cross-reference
interchangeable
7267AInterchangeable
interchangeable cross-reference
interchangeable
37C101019Interchangeable
interchangeable cross-reference
interchangeable
4033082P001Interchangeable
interchangeable cross-reference
interchangeable
M187Interchangeable
interchangeable cross-reference
interchangeable
3026378P2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 312M?
312M is a CAPACITOR,VARIABLE,MICA DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 312M?
There are 29 known substitutes for 312M: M186, 7267A, 37C101019 and 26 more. Substitute compatibility should be verified for your specific system.
Is 312M still available?
312M 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