PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 12C45
12C45 ✓ 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 TRANSFORMER,DISCRIMINATOR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, cup_width: 0.9687 INCHES NOMINAL IN, body_width: 0.782 INCHES NOMINAL IN, cone_width: 1.1542 INCHES NOMINAL IN, body_height: 1.892 INCHES NOMINAL IN, body_length: 1.892 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-4158, 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
12C45
NSN: 3110-00-100-4158
FSC: 3110
CAGE: 6X081 — COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.9687 INCHES NOMINAL IN
body_width0.782 INCHES NOMINAL IN
cone_width1.1542 INCHES NOMINAL IN
body_height1.892 INCHES NOMINAL IN
body_length1.892 INCHES NOMINAL IN
bore_diameter2.2500 INCHES NOMINAL IN
overall_width1.1875 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
standout_width0.2188 INCHES NOMINAL IN
mounting_methodCLIP SINGLE GROUP
frequency_rating455.0 KILOHERTZ NOMINAL SINGLE COMPONENT
NSN3110-00-100-4158
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 12C45 · 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
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 4.1250 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
STANDOUT WIDTH: 0.2188 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
BORE DIAMETER: 2.2500 INCHES NOMINAL IN
•
CONE WIDTH: 1.1542 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
OVERALL WIDTH1.1875 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER4.1250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
STANDOUT WIDTH0.2188 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
BORE DIAMETER2.2500 INCHES NOMINAL IN
CONE WIDTH1.1542 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
CUP WIDTH0.9687 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
12-C45Interchangeable
interchangeable cross-reference
interchangeable
2555-1Interchangeable
interchangeable cross-reference
interchangeable
2105205Interchangeable
interchangeable cross-reference
interchangeable
7451902Interchangeable
Same NIIN cross-reference
interchangeable
156NInterchangeable
Same NIIN cross-reference
interchangeable
469-453XInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 12C45?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 12C45?
12C45 is a TRANSFORMER,DISCRIMINATOR.
What parts can replace 12C45?
There are 6 known substitutes for 12C45: 12-C45, 2555-1, 2105205 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12C45?
12C45 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-4158. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 12C45

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026