PartsTable
Technical Data Sheet
3951-8 ✓ Verified by PartsTable
Clementoni · 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,BALL,ANNULAR is a Clementoni industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON SEAT, bore_shape: STRAIGHT, bore_diameter: 0.1247 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN, overall_width: 0.1512 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-629-1708, 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
3951-8
NSN: 3110-00-629-1708
FSC: 3110
CAGE: 45934 — ONTIC ENGINEERING & MANUFACTURING, INC DBA ONTIC US (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON SEAT
bore_shapeSTRAIGHT
bore_diameter0.1247 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
overall_width0.1512 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0005 INCHES MINIMUM RADIAL AND 0.0009 INCHES MAXIMUM RADIAL IN
peripheral_diameter0.598 INCHES NOMINAL IN
center_hole_diameter0.402 INCHES NOMINAL IN
lubrication_materialGREASE
NSN3110-00-629-1708
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3951-8 · Clementoni ⚠ 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
RETAINER FABRICATION METHOD: PRESSED
SURFACE FINISH: GROUND
LUBRICATION MATERIAL: GREASE
LOAD DIRECTION: RADIAL
SHIELD QUANTITY: 2
INTERNAL CLEARANCE: 0.0005 INCHES MINIMUM RADIAL AND 0.0009 INCHES MAXIMUM RADIAL IN
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONABEC NO.1
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
LUBRICATION MATERIALGREASE
LOAD DIRECTIONRADIAL
SHIELD QUANTITY2
INTERNAL CLEARANCE0.0005 INCHES MINIMUM RADIAL AND 0.0009 INCHES MAXIMUM RADIAL IN
BORE SHAPESTRAIGHT
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-7118 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL INNER RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
51-21-02Interchangeable
interchangeable cross-reference
interchangeable
39518Interchangeable
interchangeable cross-reference
interchangeable
3951Interchangeable
interchangeable cross-reference
interchangeable
548978 ITEM 17Interchangeable
interchangeable cross-reference
interchangeable
3951800Interchangeable
interchangeable cross-reference
interchangeable
PA33KDD3FS37098AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3951-8?
3951-8 is a BEARING,BALL,ANNULAR manufactured by Clementoni.
What parts can replace 3951-8?
There are 8 known substitutes for 3951-8: 51-21-02, 39518, 3951 and 5 more. Substitute compatibility should be verified for your specific system.
Is 3951-8 still available?
3951-8 is currently cancelled.
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