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BR866-1 — BEARING,ROLLER,NEEDLE

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

BR866-1: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 2.0012 INCHES NOMINAL2.0012 INCHES NOMINAL IN, overall_width: 0.8700 INCHES NOMINAL0.8700 INCHES NOMINAL IN, alignment_type: RIGIDRIGID, special_features: PROVIDED WITH SNAP RING GROOVEPROVIDED WITH SNAP RING GROOVE, overall_outside_diameter: 2.5625 INCHES NOMINAL2.5625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-137-9726, 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
BR866-1
NSN: 3110-01-137-9726
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 39317 — MCGILL MANUFACTURING COMPANY INC USE CAGE CODE 92563 FOR CATALOGING. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter2.0012 INCHES NOMINAL2.0012 INCHES NOMINAL IN
overall_width0.8700 INCHES NOMINAL0.8700 INCHES NOMINAL IN
alignment_typeRIGIDRIGID
special_featuresPROVIDED WITH SNAP RING GROOVEPROVIDED WITH SNAP RING GROOVE
overall_outside_diameter2.5625 INCHES NOMINAL2.5625 INCHES NOMINAL IN
NSN3110-01-137-9726
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BR866-1 · 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
•
OVERALL OUTSIDE DIAMETER: 2.5625 INCHES NOMINAL2.5625 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGIDRIGID
•
BORE DIAMETER: 2.0012 INCHES NOMINAL2.0012 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.8700 INCHES NOMINAL0.8700 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER2.5625 INCHES NOMINAL2.5625 INCHES NOMINAL IN
ALIGNMENT TYPERIGIDRIGID
SPECIAL FEATURESPROVIDED WITH SNAP RING GROOVEPROVIDED WITH SNAP RING GROOVE
BORE DIAMETER2.0012 INCHES NOMINAL2.0012 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
071016Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BR866-1?
BR866-1 is a BEARING,ROLLER,NEEDLE.
What parts can replace BR866-1?
There is 1 known substitute for BR866-1: 071016. Substitute compatibility should be verified for your specific system.
What is the NSN for BR866-1?
BR866-1 is cataloged in the U.S. Government catalog under NSN 3110-01-137-9726. 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.