PartsTable
Technical Data Sheet
12BS12 ✓ 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 OUTER RING, bore_shape: STRAIGHT, bore_diameter: 12.00 MILLIMETERS NOMINAL MM, overall_width: 10.0 MILLIMETERS NOMINAL MM, alignment_type: SELF-ALIGNING, load_direction: ANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-5018, 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
12BS12
NSN: 3110-00-156-5018
FSC: 3110
CAGE: 70413 — ANTI-FRICTION BEARING MFG ASSN INC THE (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
bore_shapeSTRAIGHT
bore_diameter12.00 MILLIMETERS NOMINAL MM
overall_width10.0 MILLIMETERS NOMINAL MM
alignment_typeSELF-ALIGNING
load_directionANGULAR
surface_finishGROUND
style_designatorNON-SEPARABLE
self-alignment_locationINTERNAL
overall_outside_diameter32.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationABEC NO.1
NSN3110-00-156-5018
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 12BS12 · 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
SELF-ALIGNMENT LOCATION: INTERNAL
MATERIAL: STEEL INNER RING
STYLE DESIGNATOR: NON-SEPARABLE
BORE SHAPE: STRAIGHT
LOAD DIRECTION: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
SELF-ALIGNMENT LOCATIONINTERNAL
MATERIALSTEEL INNER RING
MATERIALSTEEL BALL
MATERIALSTEEL OUTER RING
STYLE DESIGNATORNON-SEPARABLE
OVERALL WIDTH10.0 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONANGULAR
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONINWARD CONVERGENT
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
34811S2Interchangeable
interchangeable cross-reference
interchangeable
116123Interchangeable
interchangeable cross-reference
interchangeable
S3501H3201056PC54Interchangeable
interchangeable cross-reference
interchangeable
YT199S41-3ALT1ITEM271Interchangeable
interchangeable cross-reference
interchangeable
RC50-4Interchangeable
interchangeable cross-reference
interchangeable
55604Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12BS12?
12BS12 is a BEARING,BALL,ANNULAR.
What parts can replace 12BS12?
There are 27 known substitutes for 12BS12: 34811S2, 116123, S3501H3201056PC54 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12BS12?
12BS12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-5018. This indicates validated use in U.S. government and defense supply chains.
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