PartsTable
Technical Data Sheet
Download PDF

55187 — CONE AND ROLLERS,TAPERED ROLLER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

55187: CONE AND ROLLERS,TAPERED ROLLER.

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_shape: RECTANGULAR, face_finish: PROVIDED, handle_type: SOLID, head_length: 3.125 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: TWO POUND MALLET. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-3627, 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
55187
NSN: 3110-00-100-3627
NIINs: 001003627, 005047455, 009870630, 012340253
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_shapeRECTANGULAR
face_finishPROVIDED
handle_typeSOLID
head_length3.125 INCHES NOMINAL IN
special_featuresHARDENED AND PASSIVATED; TWO LB; SUITABLE FOR GENERAL ORTHOPEDIC SURGICAL PROCEDURES; AUTHORIZED SUBSTITUTE FOR 6515-00-346-8400
part_name_assigned_by_controlling_agencyTWO POUND MALLET
NSN3110-00-100-3627
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 55187 · 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
•
STYLE DESIGNATOR: STEEP ANGLE
•
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
CONE WIDTH: 1.0594 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 1.8750 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSTEEP ANGLE
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
CONE WIDTH1.0594 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER1.8750 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
E050557Reference document
Same NSN cross-reference
Reference document — Secondary reference
234060Reference document
Same NSN cross-reference
Reference document — Secondary reference
0BT55187Reference document
Same NSN cross-reference
Reference document — Secondary reference
007-667277Reference document
Same NSN cross-reference
Reference document — Secondary reference
3024602Reference document
Same NSN cross-reference
Reference document — Secondary reference
667277Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 55187?
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 55187?
55187 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 55187?
There are 7 known substitutes for 55187: E050557, 234060, 0BT55187 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55187?
55187 is cataloged in the U.S. Government catalog under NSN 3110-00-100-3627. 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 — 55187

✓ 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.