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1-12A C — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

1-12A C: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 12.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MINIMUM, overall_width: 10.0 MILLIMETERS NOMINAL MM, load_direction: ANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-7497, 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
1-12A C
NSN: 3110-00-156-7497
NIINs: 001567497, 011247811
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 43991 — FAG BEARINGS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter12.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MINIMUM
overall_width10.0 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
overall_outside_diameter32.00 MILLIMETERS NOMINAL MM
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-156-7497
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1-12A C · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 32.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
CONTACT ANGLE: 25.0 DEGREES MINIMUM
•
LOAD DIRECTION: ANGULAR
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
OVERALL WIDTH10.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER32.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
CONTACT ANGLE25.0 DEGREES MINIMUM
LOAD DIRECTIONANGULAR
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER12.00 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 9
D20077P88Reference document
Same NSN cross-reference
Reference document — Secondary reference
FF-B-171/29T01A2CReference document
Same NSN cross-reference
Reference document — Secondary reference
30201Reference document
Same NSN cross-reference
Reference document — Secondary reference
7201BEPReference document
Same NSN cross-reference
Reference document — Secondary reference
7201Reference document
Same NSN cross-reference
Reference document — Secondary reference
7201BReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1-12A C?
1-12A C is a BEARING,BALL,ANNULAR.
What parts can replace 1-12A C?
There are 9 known substitutes for 1-12A C: D20077P88, FF-B-171/29T01A2C, 30201 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-12A C?
1-12A C is cataloged in the U.S. Government catalog under NSN 3110-00-156-7497. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
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.