PartsTable
Technical Data Sheet
Download PDF

SF30 — ABSORBER,RADIO FREQUENCY RADIATI

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

SF30: ABSORBER,RADIO FREQUENCY RADIATI.

ABSORBER,RADIO FREQUENCY RADIATI. Key specifications include diameter: 0.937 INCHES NOMINAL IN, material: RUBBER AND STEEL SEAL, seal_type: CONTACT, block_type: FLOATING, cut_length: 1.875 INCHES NOMINAL IN, design_form: SINGLE END. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-469-4152, 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
SF30
NSN: 3130-00-469-4152
NIINs: 004694152, 012274396, 012500298
FSC: 3130 — Bearings, Mounted
CAGE: 57448 — STEPHENS-ADAMSON INC A SUB OF ALLIS-CHALMERS CORP (USA)
SPECIFICATIONS
diameter0.937 INCHES NOMINAL IN
materialRUBBER AND STEEL SEAL
seal_typeCONTACT
block_typeFLOATING
cut_length1.875 INCHES NOMINAL IN
design_formSINGLE END
flute_designHELICAL
bore_diameter1.8750 INCHES NOMINAL IN
housing_width5.6250 INCHES NOMINAL IN
seal_locationBOTH ENDS
alignment_typeSELF-ALIGNING
housing_length1.8750 INCHES NOMINAL IN
NSN3130-00-469-4152
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: SF30 · 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
•
SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
LUBRICATION FITTING TYPE: PIPE PLUG
•
ASSEMBLY OVERALL LENGTH: 2.6250 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
FLANGE THICKNESS: 0.7187 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
ROTATING ELEMENT LOCKING METHOD: SETSCREW LOCKING COLLAR
TECHNICAL CHARACTERISTICS
SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
LUBRICATION FITTING TYPEPIPE PLUG
ASSEMBLY OVERALL LENGTH2.6250 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
FLANGE THICKNESS0.7187 INCHES NOMINAL IN
MOUNTING HOLE TYPEROUND, UNTHREADED
ROTATING ELEMENT LOCKING METHODSETSCREW LOCKING COLLAR
SEAL LOCATIONBOTH ENDS
BLOCK TYPEFLOATING
SUBSTITUTES & CROSS-REFERENCES 1
F3Y230NSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy SF30?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is SF30?
SF30 is a ABSORBER,RADIO FREQUENCY RADIATI.
What parts can replace SF30?
There is 1 known substitute for SF30: F3Y230N. Substitute compatibility should be verified for your specific system.
What is the NSN for SF30?
SF30 is cataloged in the U.S. Government catalog under NSN 3130-00-469-4152. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — SF30

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.