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Technical Data Sheet
PartsTable / COMPONENT / 77025
77025 ✓ Verified by PartsTable
Legrand · 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 MICROCIRCUIT,DIGITAL is a Legrand industrial component. Key specifications include material: RUBBER SYNTHETIC SEAL, body_width: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, bore_shape: STRAIGHT, body_height: 0.100 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN, body_length: 0.745 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN, bore_diameter: 25.00 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-4241, 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
77025
NSN: 3110-00-156-4241
FSC: 3110
CAGE: 43991 — FAG BEARINGS CORPORATION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEAL
body_width0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
bore_shapeSTRAIGHT
body_height0.100 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
body_length0.745 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
bore_diameter25.00 MILLIMETERS NOMINAL MM
overall_width0.8130 INCHES NOMINAL IN
seal_quantity2
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
NSN3110-00-156-4241
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 77025 · Legrand ⚠ 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
•
MATERIAL: RUBBER SYNTHETIC SEAL
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
•
LUBRICATION MATERIAL: GREASE
•
BEARING SEAL TYPE: CONTACT
•
BORE SHAPE: STRAIGHT
•
RETAINER FABRICATION METHOD: PRESSED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC SEAL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
LUBRICATION MATERIALGREASE
BEARING SEAL TYPECONTACT
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
BORE SHAPESTRAIGHT
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
LOAD DIRECTIONRADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
77025Interchangeable
interchangeable cross-reference
interchangeable
SC-B-319811Interchangeable
interchangeable cross-reference
interchangeable
839408-0044Interchangeable
interchangeable cross-reference
interchangeable
033756-3Interchangeable
interchangeable cross-reference
interchangeable
883C4094BInterchangeable
interchangeable cross-reference
interchangeable
CA1348Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 77025?
77025 is a MICROCIRCUIT,DIGITAL manufactured by Legrand.
What parts can replace 77025?
There are 8 known substitutes for 77025: 77025, SC-B-319811, 839408-0044 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 77025?
77025 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-4241. 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