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Technical Data Sheet
PartsTable / COMPONENT / 6312W1BNT
6312W1BNT ✓ 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,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 2.3620 INCHES MINIMUM AND 2.3622 INCHES MAXIMUM IN, overall_width: 1.2185 INCHES MINIMUM AND 1.2205 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-987-3733, 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
6312W1BNT
NSN: 3110-00-987-3733
FSC: 3110
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter2.3620 INCHES MINIMUM AND 2.3622 INCHES MAXIMUM IN
overall_width1.2185 INCHES MINIMUM AND 1.2205 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
shield_quantity1
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0007 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASE
overall_outside_diameter5.1179 INCHES MINIMUM AND 5.1181 INCHES MAXIMUM IN
internal_fit-up_designationTIGHT
NSN3110-00-987-3733
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 6312W1BNT · 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
•
BORE DIAMETER: 2.3620 INCHES MINIMUM AND 2.3622 INCHES MAXIMUM IN
•
INTERNAL FIT-UP DESIGNATION: TIGHT
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
LOAD DIRECTION: RADIAL
•
SURFACE FINISH: GROUND
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
•
BORE SHAPE: STRAIGHT
•
RETAINER FABRICATION METHOD: PRESSED
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER2.3620 INCHES MINIMUM AND 2.3622 INCHES MAXIMUM IN
INTERNAL FIT-UP DESIGNATIONTIGHT
CRITICALITY CODE JUSTIFICATIONZZZW
LOAD DIRECTIONRADIAL
SURFACE FINISHGROUND
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
BORE SHAPESTRAIGHT
RETAINER FABRICATION METHODPRESSED
SHIELD QUANTITY1
LUBRICATION MATERIALGREASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 39
AA59585Interchangeable
interchangeable cross-reference
interchangeable
01-0296 ITEM NO. 7Interchangeable
interchangeable cross-reference
interchangeable
BB64950P121Interchangeable
interchangeable cross-reference
interchangeable
1105-11Interchangeable
interchangeable cross-reference
interchangeable
02089018Interchangeable
interchangeable cross-reference
interchangeable
312PF4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6312W1BNT?
6312W1BNT is a BEARING,BALL,ANNULAR.
What parts can replace 6312W1BNT?
There are 39 known substitutes for 6312W1BNT: AA59585, 01-0296 ITEM NO. 7, BB64950P121 and 36 more. Substitute compatibility should be verified for your specific system.
Is 6312W1BNT still available?
6312W1BNT is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026