PartsTable
Technical Data Sheet
Download PDF

BU1311-23 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

BU1311-23: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 2.1648 INCHES MINIMUM AND 2.1654 INCHES MAXIMUM IN, overall_width: 1.1367 INCHES MINIMUM AND 1.1417 INCHES MAXIMUM IN, surface_finish: GROUND, special_features: TWO LIP INNER RING WITH ROLLERS,NO. OUTER RING.

This part is cataloged in the U.S. Government catalog under NSN 3110-00-211-9680, 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
BU1311-23
NSN: 3110-00-211-9680
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter2.1648 INCHES MINIMUM AND 2.1654 INCHES MAXIMUM IN
overall_width1.1367 INCHES MINIMUM AND 1.1417 INCHES MAXIMUM IN
surface_finishGROUND
special_featuresTWO LIP INNER RING WITH ROLLERS,NO. OUTER RING
NSN3110-00-211-9680
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BU1311-23 · 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
•
SURFACE FINISH: GROUND
•
BORE SHAPE: STRAIGHT
•
BORE DIAMETER: 2.1648 INCHES MINIMUM AND 2.1654 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
OVERALL WIDTH1.1367 INCHES MINIMUM AND 1.1417 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
SPECIAL FEATURESTWO LIP INNER RING WITH ROLLERS,NO. OUTER RING
BORE DIAMETER2.1648 INCHES MINIMUM AND 2.1654 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
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 1
MU1311VReference 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
Ready to buy BU1311-23?
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 BU1311-23?
BU1311-23 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace BU1311-23?
There is 1 known substitute for BU1311-23: MU1311V. Substitute compatibility should be verified for your specific system.
What is the NSN for BU1311-23?
BU1311-23 is cataloged in the U.S. Government catalog under NSN 3110-00-211-9680. 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 — BU1311-23

✓ 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.