PartsTable
Technical Data Sheet
385P525G01 ✓ 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 BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 2.1652 INCHES MINIMUM AND 2.1654 INCHES MAXIMUM IN, overall_width: 1.1416 INCHES MINIMUM AND 1.1417 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-129-6525, 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
385P525G01
NSN: 3110-00-129-6525
FSC: 3110
CAGE: 11660 — WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter2.1652 INCHES MINIMUM AND 2.1654 INCHES MAXIMUM IN
overall_width1.1416 INCHES MINIMUM AND 1.1417 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0007 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASE
overall_outside_diameter4.7242 INCHES MINIMUM AND 4.7244 INCHES MAXIMUM IN
internal_fit-up_designationSTANDARD
NSN3110-00-129-6525
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 385P525G01 · 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
SURFACE FINISH: GROUND
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
INTERNAL FIT-UP DESIGNATION: STANDARD
LUBRICATION MATERIAL: GREASE
LOAD DIRECTION: RADIAL
BORE SHAPE: STRAIGHT
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
INTERNAL FIT-UP DESIGNATIONSTANDARD
LUBRICATION MATERIALGREASE
LOAD DIRECTIONRADIAL
BORE SHAPESTRAIGHT
MATERIALSTEEL OVERALL
INTERNAL CLEARANCE0.0007 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN
NONDEFINITIVE SPEC/STD DATA111 TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
MILB17931Interchangeable
Same NIIN cross-reference
interchangeable
S385P525G01Interchangeable
Same NIIN cross-reference
interchangeable
311SZZNT3Interchangeable
Same NIIN cross-reference
interchangeable
77311-4ES100Interchangeable
Same NIIN cross-reference
interchangeable
77611S7077V4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 385P525G01?
385P525G01 is a BEARING,BALL,ANNULAR.
What parts can replace 385P525G01?
There are 5 known substitutes for 385P525G01: MILB17931, S385P525G01, 311SZZNT3 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 385P525G01?
385P525G01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-129-6525. This indicates validated use in U.S. government and defense supply chains.
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