PartsTable
Technical Data Sheet
Download PDF

771866 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

771866: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL RETAINER, bore_shape: STRAIGHT, bore_diameter: 0.1872 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND, inner_ring_width: 0.2192 INCHES MINIMUM AND 0.2242 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-822-9872, 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
771866
NSN: 3110-00-822-9872
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL RETAINER
bore_shapeSTRAIGHT
bore_diameter0.1872 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
inner_ring_width0.2192 INCHES MINIMUM AND 0.2242 INCHES MAXIMUM IN
outer_ring_width0.1910 INCHES MINIMUM AND 0.1960 INCHES MAXIMUM IN
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0003 INCHES MINIMUM RADIAL AND 0.0009 INCHES MAXIMUM RADIAL IN
overall_outside_diameter0.4996 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
retainer_fabrication_methodMACHINED
NSN3110-00-822-9872
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 771866 · 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: MACHINED
•
OUTER RING WIDTH: 0.1910 INCHES MINIMUM AND 0.1960 INCHES MAXIMUM IN
•
INTERNAL CLEARANCE: 0.0003 INCHES MINIMUM RADIAL AND 0.0009 INCHES MAXIMUM RADIAL IN
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 5627 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
OUTER RING WIDTH0.1910 INCHES MINIMUM AND 0.1960 INCHES MAXIMUM IN
INTERNAL CLEARANCE0.0003 INCHES MINIMUM RADIAL AND 0.0009 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
SHIELD QUANTITY2
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 5627 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 5627 ASSN STD SINGLE MATERIAL RESPONSE SHIELD
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 5630 ASSN STD SINGLE MATERIAL RESPONSE BALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER RING
SUBSTITUTES & CROSS-REFERENCES 2
403446Reference document
Same NSN cross-reference
Reference document — Secondary reference
736841Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
Ready to buy 771866?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 771866?
771866 is a BEARING,BALL,ANNULAR.
What parts can replace 771866?
There are 2 known substitutes for 771866: 403446, 736841. Substitute compatibility should be verified for your specific system.
What is the NSN for 771866?
771866 is cataloged in the U.S. Government catalog under NSN 3110-00-822-9872. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 771866

✓ 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.