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Technical Data Sheet
PartsTable / MRO / 501-125
501-125 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, cup_width: 0.6875 INCHES NOMINAL IN, cone_width: 0.8540 INCHES NOMINAL IN, body_length: 0.688 INCHES NOMINAL IN, point_angle: 135.0 DEGREES NOMINAL, flute_length: 2.5 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 3110-00-100-3872, 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
MRO→ MRO_GENERAL→ 501-125
NSN: 3110-00-100-3872
FSC: 3110
CAGE: 31568 — TEXTRON INC JACOBSEN DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.6875 INCHES NOMINAL IN
cone_width0.8540 INCHES NOMINAL IN
body_length0.688 INCHES NOMINAL IN
point_angle135.0 DEGREES NOMINAL
flute_length2.5 INCHES NOMINAL IN
body_diameter0.318 INCHES NOMINAL IN
bore_diameter1.8125 INCHES NOMINAL IN
overall_width0.8125 INCHES NOMINAL IN
recess_length0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
terminal_typeWIRE LEAD
flute_quantity2
NSN3110-00-100-3872
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 501-125 · 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
•
CONE WIDTH: 0.8540 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.1250 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 3.3464 INCHES NOMINAL IN
•
CUP WIDTH: 0.6875 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 1.8125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CONE WIDTH0.8540 INCHES NOMINAL IN
STANDOUT WIDTH0.1250 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER3.3464 INCHES NOMINAL IN
CUP WIDTH0.6875 INCHES NOMINAL IN
OVERALL WIDTH0.8125 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER1.8125 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
BACKFACE CORNER RADIUS0.0460 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
411338-99Interchangeable
interchangeable cross-reference
interchangeable
6970961-332Interchangeable
interchangeable cross-reference
interchangeable
RC42GF332JInterchangeable
interchangeable cross-reference
interchangeable
501-125Interchangeable
interchangeable cross-reference
interchangeable
5501-125Interchangeable
interchangeable cross-reference
interchangeable
88850765Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 501-125?
501-125 is a RESISTOR,FIXED,COMPOSITION. It is classified as a MRO (MRO_GENERAL).
What parts can replace 501-125?
There are 16 known substitutes for 501-125: 411338-99, 6970961-332, RC42GF332J and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 501-125?
501-125 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-3872. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026