PartsTable
Technical Data Sheet
Download PDF

C87511LR1B — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

C87511LR1B: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OVERALL, bore_shape: STRAIGHT, bore_diameter: 55.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND, inner_ring_width: 27.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-106-8872, 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
C87511LR1B
NSN: 3110-00-106-8872
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OVERALL
bore_shapeSTRAIGHT
bore_diameter55.0 MILLIMETERS NOMINAL MM
seal_quantity1
load_directionRADIAL
surface_finishGROUND
shield_quantity1
inner_ring_width27.0 MILLIMETERS NOMINAL MM
outer_ring_width0.9060 INCHES NOMINAL IN
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeLABYRINTH
lubrication_materialGREASE
NSN3110-00-106-8872
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: C87511LR1B · 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
•
BEARING SEAL TYPE: LABYRINTH
•
LUBRICATION MATERIAL: GREASE
•
OUTER RING WIDTH: 0.9060 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: LOOSE
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 1
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
BEARING SEAL TYPELABYRINTH
LUBRICATION MATERIALGREASE
OUTER RING WIDTH0.9060 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONLOOSE
SURFACE FINISHGROUND
SHIELD QUANTITY1
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL OUTSIDE DIAMETER100.0 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
SUBSTITUTES & CROSS-REFERENCES 1
C87511LRReference 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 C87511LR1B?
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 C87511LR1B?
C87511LR1B is a BEARING,BALL,ANNULAR.
What parts can replace C87511LR1B?
There is 1 known substitute for C87511LR1B: C87511LR. Substitute compatibility should be verified for your specific system.
What is the NSN for C87511LR1B?
C87511LR1B is cataloged in the U.S. Government catalog under NSN 3110-00-106-8872. 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 — C87511LR1B

✓ 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.