PartsTable
Technical Data Sheet
SF3 ✓ Verified by PartsTable
Middle Atlantic Products · 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

Eliminate the prospect of tampering with these tough security covers. Offered in fine perforation styles, each cover is 1” deep. Includes installed rubber edging that won’t mar the equipment you’re trying to protect.

To enhance the level of security, use the patented Guardian Series™ security bit and HSK rack screws, see pg. 169. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-277-0229, 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
SF3
NSN: 3110-00-277-0229
FSC: 3110
CAGE: 70854 — SCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION (USA)
SPECIFICATIONS
weight3.7 POUNDS NOMINAL LBS
handle_typeSTRAIGHT OR OFFSET
air_flow_rate11.0 CUBIC FEET PER MINUTE NOMINAL
hose_diameter0.375 INCHES NOMINAL IN
overall_width6.5 INCHES NOMINAL IN
overall_height6.0 INCHES NOMINAL IN
overall_length19.25 INCHES NOMINAL IN
special_featuresTRIPLE HEAD PISTON;LEVER THROTTLE;SIDE HANDLE;TUNGSTEN CARBIDE TIPPED CROSS BITS
unable_to_decodeUNABLE TO DECODE
operating_pressure90.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
piston_bore_diameter1.06 INCHES NOMINAL IN
piston_stroke_length1.0 INCHES NOMINAL IN
NSN3110-00-277-0229
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SF3 · Middle Atlantic Products ⚠ 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
FLANGE WIDTH: 0.0420 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATION: STANDARD
LOAD DIRECTION: RADIAL
BORE SHAPE: STRAIGHT
RETAINER FABRICATION METHOD: PRESSED
SURFACE FINISH: GROUND
STANDARD TOLERANCE DESIGNATION: ABEC NO.5
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE WIDTH0.0420 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
LOAD DIRECTIONRADIAL
BORE SHAPESTRAIGHT
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.5
MATERIALSTEEL CORROSION RESISTING OVERALL
FLANGE OUTSIDE DIAMETER0.6300 INCHES NOMINAL IN
OUTER RING WIDTH0.1950 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
91800Interchangeable
interchangeable cross-reference
interchangeable
DD692S4700-8PC194Interchangeable
interchangeable cross-reference
interchangeable
DD445S4700-52ALT4PC194Interchangeable
interchangeable cross-reference
interchangeable
BS1195PC194Interchangeable
interchangeable cross-reference
interchangeable
TCR505Interchangeable
interchangeable cross-reference
interchangeable
32.705Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SF3?
SF3 is a BEARING,BALL,ANNULAR manufactured by Middle Atlantic Products.
What parts can replace SF3?
There are 17 known substitutes for SF3: 91800, DD692S4700-8PC194, DD445S4700-52ALT4PC194 and 14 more. Substitute compatibility should be verified for your specific system.
Is SF3 still available?
SF3 is currently cancelled.
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