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3WNF12-16 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

3WNF12-16: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.7498 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN, overall_width: 0.1550 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-421-4881, 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
3WNF12-16
NSN: 3110-00-421-4881
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 40920 — MPB CORP DIV TIMKEN SUPER PRECISION (USA)
SPECIFICATIONS
materialSTEEL COMP 440C OVERALL
bore_shapeSTRAIGHT
bore_diameter0.7498 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
overall_width0.1550 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
special_features2 INTEGRAL SHIELDS,FRACTURED OUTER RACE WITH 2 STAINLESS STEEL HOLDING RINGS
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0003 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASE
overall_outside_diameter0.9998 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
NSN3110-00-421-4881
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3WNF12-16 · 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
•
LUBRICATION MATERIAL: GREASE
•
INTERNAL CLEARANCE: 0.0003 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OVERALL OUTSIDE DIAMETER: 0.9998 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALGREASE
INTERNAL CLEARANCE0.0003 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
SHIELD QUANTITY2
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH0.1550 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER0.9998 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 4
3TWNF12-16Reference document
Same NSN cross-reference
Reference document — Secondary reference
3TWNF12-16UReference document
Same NSN cross-reference
Reference document — Secondary reference
533413-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
S1216B15P38LY238Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3WNF12-16?
3WNF12-16 is a BEARING,BALL,ANNULAR.
What parts can replace 3WNF12-16?
There are 4 known substitutes for 3WNF12-16: 3TWNF12-16, 3TWNF12-16U, 533413-4 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3WNF12-16?
3WNF12-16 is cataloged in the U.S. Government catalog under NSN 3110-00-421-4881. This indicates validated use in U.S. government and defense supply chains.
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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.