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Technical Data Sheet
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81502 — BEARING,BALL,ANNULAR

✓ Government record, cited
InLine · TAPERED BEARING
PRODUCT OVERVIEW

81502: BEARING,BALL,ANNULAR.

InLine® duplex fibre optic cable for secure, quality connections. Key specifications include coloring_method: PIGMENTED, basic_material_type: ALKYD RESIN OR CELLULOSIC DERIVATIVE, quantity_within_each_unit_package: 1.000 GALLONS, nonvolatile_material_minimum_percentage: 29.0. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-155-6296, 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
81502
NSN: 3110-00-155-6296
NIINs: 001556296, 002212777, 005985156, 015031901
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 73460 — EATON CORP TRANSMISSION DIV (USA)
SPECIFICATIONS
coloring_methodPIGMENTED
basic_material_typeALKYD RESIN OR CELLULOSIC DERIVATIVE
quantity_within_each_unit_package1.000 GALLONS
nonvolatile_material_minimum_percentage29.0
NSN3110-00-155-6296
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 81502 · InLine ⚠ 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
•
RETAINER FABRICATION METHOD: PRESSED
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 130.0 MILLIMETERS NOMINAL MM
•
FEATURES PROVIDED: SNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH31.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER130.0 MILLIMETERS NOMINAL MM
FEATURES PROVIDEDSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
BORE SHAPESTRAIGHT
NONDEFINITIVE SPEC/STD DATA111 TYPE AND 4 CLASS AND 00 GRADE
LOAD DIRECTIONRADIAL
SUBSTITUTES & CROSS-REFERENCES 7
312SGReference document
Same NSN cross-reference
Reference document — Secondary reference
NDC00018Reference document
Same NSN cross-reference
Reference document — Secondary reference
86FT78Reference document
Same NSN cross-reference
Reference document — Secondary reference
553733Reference document
Same NSN cross-reference
Reference document — Secondary reference
954276Reference document
Same NSN cross-reference
Reference document — Secondary reference
2122905Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
Manufacturer release date (catalog record)2017-01-01
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 81502?
81502 is a BEARING,BALL,ANNULAR manufactured by InLine.
What parts can replace 81502?
There are 7 known substitutes for 81502: 312SG, NDC00018, 86FT78 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81502?
81502 is cataloged in the U.S. Government catalog under NSN 3110-00-155-6296. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.