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Technical Data Sheet
PartsTable / COMPONENT / M2677
M2677 ✓ 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 BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OR COPPER ALLOY RETAINER, bore_shape: STRAIGHT, bore_diameter: 45.0 MILLIMETERS NOMINAL MM, overall_width: 25.0 MILLIMETERS NOMINAL MM, surface_finish: GROUND, locating_feature: TWO DIRECTION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-241-6618, 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
M2677
NSN: 3110-00-241-6618
FSC: 3110
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
materialSTEEL OR COPPER ALLOY RETAINER
bore_shapeSTRAIGHT
bore_diameter45.0 MILLIMETERS NOMINAL MM
overall_width25.0 MILLIMETERS NOMINAL MM
surface_finishGROUND
locating_featureTWO DIRECTION
special_featuresONE LIP OF INNER RACE SEPARABLE
style_designatorSINGLE ROW, TWO-DIRECTION LOCATING, TWO LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
overall_outside_diameter100.0 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
nondefinitive_spec/std_data237 TYPE AND 3 CLASS AND 00 GRADE
standard_tolerance_designationRBEC NO.1
NSN3110-00-241-6618
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M2677 · 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
•
LOCATING FEATURE: TWO DIRECTION
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY FEATURES
•
NONDEFINITIVE SPEC/STD DATA: 237 TYPE AND 3 CLASS AND 00 GRADE
•
MATERIAL: STEEL ROLLER
•
STYLE DESIGNATOR: SINGLE ROW, TWO-DIRECTION LOCATING, TWO LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
TECHNICAL CHARACTERISTICS (FLIS)
LOCATING FEATURETWO DIRECTION
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY FEATURES
NONDEFINITIVE SPEC/STD DATA237 TYPE AND 3 CLASS AND 00 GRADE
MATERIALSTEEL ROLLER
MATERIALSTEEL OR COPPER ALLOY RETAINER
MATERIALSTEEL INNER RING
STYLE DESIGNATORSINGLE ROW, TWO-DIRECTION LOCATING, TWO LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
MATERIALSTEEL OUTER RING
OVERALL WIDTH25.0 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
1X3411Interchangeable
interchangeable cross-reference
interchangeable
731995Interchangeable
interchangeable cross-reference
interchangeable
MU1309UMInterchangeable
interchangeable cross-reference
interchangeable
N305Interchangeable
interchangeable cross-reference
interchangeable
BU1305ZInterchangeable
interchangeable cross-reference
interchangeable
6001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M2677?
M2677 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace M2677?
There are 28 known substitutes for M2677: 1X3411, 731995, MU1309UM and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M2677?
M2677 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-241-6618. 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