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Technical Data Sheet
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M-4-7-3 — Technical Data Sheet

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— · 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,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 2A A, fastener_length: 1.250 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.375 INCHES IN, thread_quantity_per_inch: 16. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-155-6446, 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
M-4-7-3
NSN: 3110-00-155-6446
FSC: 3110
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A A
fastener_length1.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch16
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classificationMIL-S-122G,TY1,GR5 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL G
NSN3110-00-155-6446
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M-4-7-3 · 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
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
LOAD DIRECTION: RADIAL
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL BALL
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 150.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LOAD DIRECTIONRADIAL
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL BALL
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
SURFACE FINISHGROUND
OVERALL OUTSIDE DIAMETER150.00 MILLIMETERS NOMINAL MM
OVERALL WIDTH28.0 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
41217InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
901217InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M85049/138-33AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
10125974-112InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
ES2426-02A032InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M461InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M-4-7-3?
M-4-7-3 is a BEARING,BALL,ANNULAR.
What parts can replace M-4-7-3?
There are 22 known substitutes for M-4-7-3: 41217, 901217, M85049/138-33A and 19 more. Substitute compatibility should be verified for your specific system.
Is M-4-7-3 still available?
M-4-7-3 is currently cancelled.
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Last verified: October 2026