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163B5860-2 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

163B5860-2: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL INNER RING, bore_shape: STRAIGHT, bore_diameter: 10.9986 INCHES MINIMUM AND 11.0000 INCHES MAXIMUM IN, overall_width: 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-876-0771, 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
163B5860-2
NSN: 3110-00-876-0771
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 06144 — INDUSTRIAL TECTONICS BEARINGS CORPORATION DBA RBC BEARINGS INC DIV INDUSTRIAL TECTONICS BEARINGS (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_shapeSTRAIGHT
bore_diameter10.9986 INCHES MINIMUM AND 11.0000 INCHES MAXIMUM IN
overall_width0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
style_designator4 POINT BALL CONTACT, SOLID INNER AND OUTER RINGS, NON-SEPARABLE
internal_clearance0.0028 INCHES MINIMUM RADIAL AND 0.0038 INCHES MAXIMUM RADIAL IN
overall_outside_diameter12.4986 INCHES MINIMUM AND 12.5000 INCHES MAXIMUM IN
retainer_fabrication_methodPRESSED
NSN3110-00-876-0771
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 163B5860-2 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
INTERNAL CLEARANCE: 0.0028 INCHES MINIMUM RADIAL AND 0.0038 INCHES MAXIMUM RADIAL IN
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: 4 POINT BALL CONTACT, SOLID INNER AND OUTER RINGS, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 12.4986 INCHES MINIMUM AND 12.5000 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
INTERNAL CLEARANCE0.0028 INCHES MINIMUM RADIAL AND 0.0038 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
STYLE DESIGNATOR4 POINT BALL CONTACT, SOLID INNER AND OUTER RINGS, NON-SEPARABLE
OVERALL WIDTH0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER12.4986 INCHES MINIMUM AND 12.5000 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
BORE DIAMETER10.9986 INCHES MINIMUM AND 11.0000 INCHES MAXIMUM IN
MATERIALSTEEL OUTER RING
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 5
2614230-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
KF110XPReference document
Same NSN cross-reference
Reference document — Secondary reference
KF110XP0RBCReference document
Same NSN cross-reference
Reference document — Secondary reference
KF110XP0Reference document
Same NSN cross-reference
Reference document — Secondary reference
352250029465Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 163B5860-2?
163B5860-2 is a BEARING,BALL,ANNULAR.
What parts can replace 163B5860-2?
There are 5 known substitutes for 163B5860-2: 2614230-3, KF110XP, KF110XP0RBC and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 163B5860-2?
163B5860-2 is cataloged in the U.S. Government catalog under NSN 3110-00-876-0771. 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.