PartsTable
Technical Data Sheet
PartsTable / COMPONENT / M3846-40
M3846-40 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 932 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 4.0000 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 2.3750 INCHES NOMINAL IN, body_outside_diameter: 2.8750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-910-1667, 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
M3846-40
NSN: 3120-00-910-1667
FSC: 3120
CAGE: 71041 — ALTRA INDUSTRIAL MOTION CORP. (USA)
SPECIFICATIONS
materialCOPPER ALLOY 932 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length4.0000 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter2.3750 INCHES NOMINAL IN
body_outside_diameter2.8750 INCHES NOMINAL IN
NSN3120-00-910-1667
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: M3846-40 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BODY OUTSIDE DIAMETER: 2.8750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 2.3750 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY 932 OVERALL
•
CORNER SHAPE: SQUARE ALL CORNERS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH4.0000 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.8750 INCHES NOMINAL IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
BODY INSIDE DIAMETER2.3750 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 932 OVERALL
CORNER SHAPESQUARE ALL CORNERS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
GGG-C-771 TY1CL1STBInterchangeable
interchangeable cross-reference
interchangeable
GGG-C-771Interchangeable
interchangeable cross-reference
interchangeable
2-1Interchangeable
interchangeable cross-reference
interchangeable
32820Interchangeable
interchangeable cross-reference
interchangeable
6016431-1Interchangeable
interchangeable cross-reference
interchangeable
6016431Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M3846-40?
M3846-40 is a BEARING,SLEEVE.
What parts can replace M3846-40?
There are 12 known substitutes for M3846-40: GGG-C-771 TY1CL1STB, GGG-C-771, 2-1 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M3846-40?
M3846-40 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-910-1667. 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