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Technical Data Sheet
PartsTable / COMPONENT / C31-30457
C31-30457 ✓ 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,NEEDLE is a the manufacturer industrial component. Key specifications include bore_diameter: 1.1255 INCHES MINIMUM AND 1.1265 INCHES MAXIMUM IN, overall_width: 0.7400 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN, alignment_type: RIGID, surface_finish: GROUND, special_features: OIL HOLE IN OUTER RING, style_designator: NON-SEPARABLE, OPEN END, DRAWN SHELL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-902-3772, 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
C31-30457
NSN: 3110-00-902-3772
FSC: 3110
CAGE: 88907 — BRUNSWICK CORP DBA MERCURY MARINE DIV MERCURY MARINE (USA)
SPECIFICATIONS
bore_diameter1.1255 INCHES MINIMUM AND 1.1265 INCHES MAXIMUM IN
overall_width0.7400 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
alignment_typeRIGID
surface_finishGROUND
special_featuresOIL HOLE IN OUTER RING
style_designatorNON-SEPARABLE, OPEN END, DRAWN SHELL
overall_outside_diameter1.3750 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
NSN3110-00-902-3772
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: C31-30457 · 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
•
ALIGNMENT TYPE: RIGID
•
BORE DIAMETER: 1.1255 INCHES MINIMUM AND 1.1265 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 8615 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OUTER RING
•
STYLE DESIGNATOR: NON-SEPARABLE, OPEN END, DRAWN SHELL
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
•
OVERALL OUTSIDE DIAMETER: 1.3750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ALIGNMENT TYPERIGID
BORE DIAMETER1.1255 INCHES MINIMUM AND 1.1265 INCHES MAXIMUM IN
MATERIALSTEEL COMP 8615 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OUTER RING
STYLE DESIGNATORNON-SEPARABLE, OPEN END, DRAWN SHELL
MATERIALSTEEL COMP 1090 OR STEEL COMP 1095 ROLLER
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
OVERALL OUTSIDE DIAMETER1.3750 INCHES NOMINAL IN
SPECIAL FEATURESOIL HOLE IN OUTER RING
OVERALL WIDTH0.7400 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
8130869Interchangeable
interchangeable cross-reference
interchangeable
MS17131Interchangeable
interchangeable cross-reference
interchangeable
A28229Interchangeable
interchangeable cross-reference
interchangeable
ASTM F 2162Interchangeable
interchangeable cross-reference
interchangeable
3110PL1161603Interchangeable
interchangeable cross-reference
interchangeable
B107X0HInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C31-30457?
C31-30457 is a BEARING,ROLLER,NEEDLE.
What parts can replace C31-30457?
There are 31 known substitutes for C31-30457: 8130869, MS17131, A28229 and 28 more. Substitute compatibility should be verified for your specific system.
Is C31-30457 still available?
C31-30457 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