PartsTable
Technical Data Sheet
M178 ✓ Verified by PartsTable
· TAPERED BEARING
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

The MONITOR METER ASSEMBLY is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, bore_shape: STRAIGHT, corner_shape: ROUND LEFT FLANGE BODY CORNER, flange_width: 0.0540 INCHES MINIMUM AND 0.0740 INCHES MAXIMUM IN, bore_diameter: 45.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-6844, 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
M178
NSN: 3110-00-156-6844
FSC: 3110
CAGE: 16760 — CRYOGENIC EQUIPMENT INC (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
bore_shapeSTRAIGHT
corner_shapeROUND LEFT FLANGE BODY CORNER
flange_width0.0540 INCHES MINIMUM AND 0.0740 INCHES MAXIMUM IN
bore_diameter45.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MAXIMUM
overall_width25.00 MILLIMETERS NOMINAL MM
terminal_typeTAB W/SCREW
load_directionRADIAL
overall_height2.500 INCHES NOMINAL IN
overall_length0.2400 INCHES MINIMUM AND 0.2800 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES OVERALL
NSN3110-00-156-6844
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M178 · 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
OVERALL OUTSIDE DIAMETER: 100.00 MILLIMETERS NOMINAL MM
MATERIAL: STEEL OVERALL
LOAD DIRECTION: ANGULAR
BORE DIAMETER: 45.00 MILLIMETERS NOMINAL MM
SURFACE FINISH: GROUND
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
CONTACT ANGLE: 25.0 DEGREES MAXIMUM
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER100.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
LOAD DIRECTIONANGULAR
BORE DIAMETER45.00 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.1
CONTACT ANGLE25.0 DEGREES MAXIMUM
BORE SHAPESTRAIGHT
OVERALL WIDTH25.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
00000-4759Interchangeable
interchangeable cross-reference
interchangeable
2710-001Interchangeable
interchangeable cross-reference
interchangeable
1613-1Interchangeable
interchangeable cross-reference
interchangeable
278-1773-000Interchangeable
interchangeable cross-reference
interchangeable
278-1773-00Interchangeable
interchangeable cross-reference
interchangeable
383-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M178?
M178 is a MONITOR METER ASSEMBLY.
What parts can replace M178?
There are 34 known substitutes for M178: 00000-4759, 2710-001, 1613-1 and 31 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M178?
M178 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-6844. This indicates validated use in U.S. government and defense supply chains.
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