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Technical Data Sheet
PartsTable / MRO / 2878
2878 ✓ Verified by PartsTable
Zyxel · 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 SWITCH,CODE INDICATING WHEEL is a Zyxel industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, body_style: STRAIGHT SHAPE, INTERNAL COUPLING, cone_width: 0.9375 INCHES NOMINAL IN, body_height: 1.500 INCHES NOMINAL IN, body_length: 1.000 INCHES NOMINAL IN, corner_shape: SQUARE ALL CORNERS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0753, 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→ 2878
NSN: 3110-00-100-0753
FSC: 3110
CAGE: 12603 — CLARK EQUIPMENT CO (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
body_styleSTRAIGHT SHAPE, INTERNAL COUPLING
cone_width0.9375 INCHES NOMINAL IN
body_height1.500 INCHES NOMINAL IN
body_length1.000 INCHES NOMINAL IN
corner_shapeSQUARE ALL CORNERS
flange_width0.0625 INCHES NOMINAL IN
bore_diameter1.3750 INCHES NOMINAL IN
cubic_measure0.004 CUBIC FEET
nominal_width1.188 INCHES IN
terminal_typeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
inclosure_typeFULLY INCLOSED
NSN3110-00-100-0753
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2878 · Zyxel ⚠ 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE CORNER RADIUS: 0.0312 INCHES NOMINAL IN
•
BORE DIAMETER: 1.3750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
•
CONE WIDTH: 0.9375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE CORNER RADIUS0.0312 INCHES NOMINAL IN
BORE DIAMETER1.3750 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
CONE WIDTH0.9375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
SCD13465-7Interchangeable
interchangeable cross-reference
interchangeable
15519Interchangeable
interchangeable cross-reference
interchangeable
13465PT7Interchangeable
interchangeable cross-reference
interchangeable
300720Interchangeable
interchangeable cross-reference
interchangeable
RC20-4033GRADEAYInterchangeable
interchangeable cross-reference
interchangeable
61044541Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2878?
2878 is a SWITCH,CODE INDICATING WHEEL manufactured by Zyxel. It is classified as a MRO (MRO_GENERAL).
What parts can replace 2878?
There are 25 known substitutes for 2878: SCD13465-7, 15519, 13465PT7 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2878?
2878 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0753. 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