PartsTable
Technical Data Sheet
646 ✓ Verified by PartsTable
3M · 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

Hectic life? Scratches to your tablet screen? You need a screen protector. However, if you use your device on-the-go, you know how easy it is to read over another’s shoulder.<br><br>That is why 3M, market leading providers of notebook privacy filters, has created the easiest way to protect your tablet screen from scratches and those prying eyes.<br><br><b>Privacy on-the-go</b><br>Protect your privacy by blocking the view of others.<br><br><b>Vivid image</b><br>Clear finish maintains high image clarity.<br><br><b>Touch compatible</b><br>No compromise to touch screen functionality.<br><br><b>Stay-clean edges</b><br>Innovative technology prevents dust and grime from collecting on the edges of screen protector.<br><br><b>Easy to clean (microfibre cloth included for tablets)</b><br>Fingerprints and smudges wipe away cleanly with a soft, lint-free cloth.<br><br><b>Residue-free removal</b><br>Unique adhesive technology means your screen protector goes on easily and removes cleanly. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8882, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
646
NSN: 3110-00-144-8882
FSC: 3110
CAGE: 35377 — MAKINO INC (USA)
SPECIFICATIONS
angle60.0 DEGREES
shapeRECTANGULAR W/ROUNDED CORNERS
width2.000 INCHES NOMINAL IN
length72.000 INCHES IN
materialBRONZE ACTUATING ELEMENT
dial_size2 IN. DIA IN
food_typeSPONGE
thickness0.188 INCHES NOMINAL IN
bezel_typeSNAP-ON
body_width1.500 INCHES NOMINAL IN
bore_shapeSTRAIGHT
scale_namePRESSURE
NSN3110-00-144-8882
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 646 · 3M ⚠ 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
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
BORE SHAPE: STRAIGHT
LOAD DIRECTION: RADIAL
MATERIAL: STEEL OVERALL
SHIELD QUANTITY: 2
SURFACE FINISH: GROUND
INTERNAL FIT-UP DESIGNATION: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
MATERIALSTEEL OVERALL
SHIELD QUANTITY2
SURFACE FINISHGROUND
INTERNAL FIT-UP DESIGNATIONSTANDARD
LUBRICATION MATERIALGREASE
NONDEFINITIVE SPEC/STD DATA111 TYPE AND 3 CLASS AND 00 GRADE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 37
1655 SIZE 0.4990Interchangeable
interchangeable cross-reference
interchangeable
GGG-R-180Interchangeable
interchangeable cross-reference
interchangeable
ASME B94.2Interchangeable
interchangeable cross-reference
interchangeable
125-130P4Interchangeable
interchangeable cross-reference
interchangeable
Q70994-5Interchangeable
interchangeable cross-reference
interchangeable
8825K5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 646?
646 is a DUMMY LOAD,ELECTRICAL manufactured by 3M.
What parts can replace 646?
There are 37 known substitutes for 646: 1655 SIZE 0.4990, GGG-R-180, ASME B94.2 and 34 more. Substitute compatibility should be verified for your specific system.
Is 646 still available?
646 is currently cancelled.
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