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180613-7 — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

180613-7: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OUTER RING, bore_diameter: 0.8750 INCHES NOMINAL IN, load_direction: RADIAL, inner_ring_width: 0.2810 INCHES NOMINAL IN, outer_ring_width: 0.2500 INCHES NOMINAL IN, special_features: FILLED WITH 80 PCT OF SPECIFIED LUBRICANT,RADIAL CLEARANCE 0.0008 IN MIN 0.0018 IN. MAX IN.

This part is cataloged in the U.S. Government catalog under NSN 3110-00-018-7451, 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
180613-7
NSN: 3110-00-018-7451
NIINs: 000187451, 006068956
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 71791 — CURTISS-WRIGHT CONTROLS, INC. DBA CURTISS WRIGHT DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OUTER RING
bore_diameter0.8750 INCHES NOMINAL IN
seal_quantity2
load_directionRADIAL
inner_ring_width0.2810 INCHES NOMINAL IN
outer_ring_width0.2500 INCHES NOMINAL IN
special_featuresFILLED WITH 80 PCT OF SPECIFIED LUBRICANT,RADIAL CLEARANCE 0.0008 IN MIN 0.0018 IN. MAX IN
style_designatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
bearing_seal_typeCONTACT
surface_treatmentCADMIUM EXPOSED SURFACES AS MOUNTED
overall_outside_diameter1.3125 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
NSN3110-00-018-7451
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 180613-7 · 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
•
OUTER RING WIDTH: 0.2500 INCHES NOMINAL IN
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: SINGLE ROW INNER RING EXTENDED BOTH SIDES
•
OVERALL OUTSIDE DIAMETER: 1.3125 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
SURFACE TREATMENT: CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
•
BORE DIAMETER: 0.8750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH0.2500 INCHES NOMINAL IN
SHIELD QUANTITY2
STYLE DESIGNATORSINGLE ROW INNER RING EXTENDED BOTH SIDES
OVERALL OUTSIDE DIAMETER1.3125 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
SURFACE TREATMENTCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
BORE DIAMETER0.8750 INCHES NOMINAL IN
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
SUBSTITUTES & CROSS-REFERENCES 7
6157P54-12Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
B540DDReference document
Same NSN cross-reference
Reference document — Secondary reference
B540DDFS160Reference document
Same NSN cross-reference
Reference document — Secondary reference
C094600-001Reference document
Same NSN cross-reference
Reference document — Secondary reference
5B540DDReference document
Same NSN cross-reference
Reference document — Secondary reference
1565660-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 180613-7?
180613-7 is a BEARING,BALL,AIRFRAME.
What parts can replace 180613-7?
There are 7 known substitutes for 180613-7: 6157P54-12, B540DD, B540DDFS160 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 180613-7?
180613-7 is cataloged in the U.S. Government catalog under NSN 3110-00-018-7451. 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.