PartsTable
Technical Data Sheet
SC446 ✓ Verified by PartsTable
· 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

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, leg_length: 0.844 INCHES NOMINAL IN, overall_length: 2.500 INCHES NOMINAL IN, connection_type: THREADED EXTERNAL PIPE SECOND FLUID END CONNECTION, connection_style: PLAIN FIRST FLUID END CONNECTION, style_designator: COUPLING ASSEMBLY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-120-3310, 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
SC446
NSN: 3110-00-120-3310
FSC: 3110
CAGE: 70945 — BLAW KNOX CORP BLAW-KNOX EQUIPMENT DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
leg_length0.844 INCHES NOMINAL IN
overall_length2.500 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL PIPE SECOND FLUID END CONNECTION
connection_stylePLAIN FIRST FLUID END CONNECTION
style_designatorCOUPLING ASSEMBLY
features_providedSELF-SEALING
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.125 INCHES FIRST FLUID END CONNECTION IN
quick_disconnect_methodSPRING PUSH-PULL ALL ENDS
thread_series_designatorNPS SECOND FLUID END CONNECTION
quick_disconnect_nominal_size0.281 INCHES ALL ENDS IN
NSN3110-00-120-3310
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SC446 · OEM ⚠ 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
STYLE DESIGNATOR: NON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
ALIGNMENT TYPE: RIGID
LUBRICATION MATERIAL: OIL LUBRICATING
OVERALL OUTSIDE DIAMETER: 1.3750 INCHES NOMINAL IN
BORE DIAMETER: 0.8750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORNON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
ALIGNMENT TYPERIGID
LUBRICATION MATERIALOIL LUBRICATING
OVERALL WIDTH0.7500 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.3750 INCHES NOMINAL IN
BORE DIAMETER0.8750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
2331Interchangeable
interchangeable cross-reference
interchangeable
7173Interchangeable
interchangeable cross-reference
interchangeable
BK12930-68Interchangeable
interchangeable cross-reference
interchangeable
20503Interchangeable
interchangeable cross-reference
interchangeable
SRNTC125Interchangeable
interchangeable cross-reference
interchangeable
MW1453Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SC446?
SC446 is a BEARING,ROLLER,NEEDLE.
What parts can replace SC446?
There are 16 known substitutes for SC446: 2331, 7173, BK12930-68 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SC446?
SC446 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-120-3310. This indicates validated use in U.S. government and defense supply chains.
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