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Technical Data Sheet
PartsTable / COMPONENT / C15947
C15947 ✓ 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: STEEL ALLOY OVERALL, point_type: SPLIT, point_angle: 135.0 DEGREES NOMINAL, shank_style: STRAIGHT ROUND, corner_shape: SQUARE ALL CORNERS, flute_length: 1.250 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 3120-00-555-8023, 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
C15947
NSN: 3120-00-555-8023
FSC: 3120
CAGE: 16603 — CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIVISION DIV WESTECH HEAVY MACHINERY DIVISION (USA)
SPECIFICATIONS
materialSTEEL ALLOY OVERALL
point_typeSPLIT
point_angle135.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
corner_shapeSQUARE ALL CORNERS
flute_length1.250 INCHES NOMINAL IN
hole_diameter0.2500 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM FIRST IN
flute_quantity2
overall_length3.750 INCHES NOMINAL IN
shank_diameter0.209 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES LEFT END SURFACE OF BODY
special_featuresJOBBERS LG; SCREW MACHINE FLUTE LG; WIRE SIZE 4
NSN3120-00-555-8023
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: C15947 · 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
•
SURFACE GROOVE LOCATION AND QUANTITY: 1 INTERNAL
•
SURFACE FINISH: 63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-16261,GR 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY OUTSIDE DIAMETER: 12.6220 INCHES MINIMUM AND 12.6250 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE ALL CORNERS
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE GROOVE LOCATION AND QUANTITY1 INTERNAL
SURFACE FINISH63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16261,GR 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE FINISH125.0 MICROINCHES LEFT END SURFACE OF BODY
BODY OUTSIDE DIAMETER12.6220 INCHES MINIMUM AND 12.6250 INCHES MAXIMUM IN
OVERALL LENGTH8.9900 INCHES MINIMUM AND 9.0100 INCHES MAXIMUM IN
CORNER SHAPESQUARE ALL CORNERS
STYLE DESIGNATORSEGMENTED, PLAIN, NO OUTSIDE FLANGES
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
3780 4Interchangeable
interchangeable cross-reference
interchangeable
15947Interchangeable
interchangeable cross-reference
interchangeable
NAS907 TYDInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C15947?
C15947 is a BEARING,SLEEVE.
What parts can replace C15947?
There are 3 known substitutes for C15947: 3780 4, 15947, NAS907 TYD. Substitute compatibility should be verified for your specific system.
What is the NSN for C15947?
C15947 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-555-8023. 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