PartsTable
Technical Data Sheet
PartsTable / COMPONENT / SF300-3
SF300-3 ✓ 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: OIL LUBRICATING LUBRICATION, corner_shape: SQUARE LEFT FLANGE BODY CORNER, flange_width: 0.0600 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN, overall_length: 0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.2495 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM 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 3120-00-528-5590, 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
SF300-3
NSN: 3120-00-528-5590
FSC: 3120
CAGE: 70417 — CHRYSLER CORP AMPLEX DIV (USA)
SPECIFICATIONS
materialOIL LUBRICATING LUBRICATION
corner_shapeSQUARE LEFT FLANGE BODY CORNER
flange_width0.0600 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
overall_length0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.2495 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM IN
body_outside_diameter0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
flange_outside_diameter0.5600 INCHES MINIMUM AND 0.5650 INCHES MAXIMUM IN
nondefinitive_spec/std_data2 TYPE AND B COMPOSITION
material_document_and_classificationMIL-B-5687,COMP B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-528-5590
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: SF300-3 · 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
•
FLANGE OUTSIDE DIAMETER: 0.5600 INCHES MINIMUM AND 0.5650 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-5687,COMP B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND B COMPOSITION
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE OUTSIDE DIAMETER0.5600 INCHES MINIMUM AND 0.5650 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
CORNER SHAPESQUARE INSIDE RIGHT CORNER
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5687,COMP B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
NONDEFINITIVE SPEC/STD DATA2 TYPE AND B COMPOSITION
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
FLANGE WIDTH0.0600 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
OVERALL LENGTH0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
XB225-0250Interchangeable
interchangeable cross-reference
interchangeable
MILB5687TYPE2C0MP0SITI0NBInterchangeable
interchangeable cross-reference
interchangeable
XB237-0500Interchangeable
interchangeable cross-reference
interchangeable
P280-0500Interchangeable
interchangeable cross-reference
interchangeable
MILB5687Interchangeable
interchangeable cross-reference
interchangeable
S409Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SF300-3?
SF300-3 is a BEARING,SLEEVE.
What parts can replace SF300-3?
There are 10 known substitutes for SF300-3: XB225-0250, MILB5687TYPE2C0MP0SITI0NB, XB237-0500 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SF300-3?
SF300-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-528-5590. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026