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Technical Data Sheet
PartsTable / COMPONENT / BM5-1
BM5-1 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL METER CASE, bulb_type: PLAIN RIGID, case_type: DUSTPROOF, body_width: 1.300 INCHES MAXIMUM IN, bulb_style: PLAIN BULB, scale_type: CONCENTRIC DIAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0512, 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
BM5-1
NSN: 3110-00-100-0512
FSC: 3110
CAGE: 46717 — PETTIBONE LLC (USA)
SPECIFICATIONS
materialSTEEL METER CASE
bulb_typePLAIN RIGID
case_typeDUSTPROOF
body_width1.300 INCHES MAXIMUM IN
bulb_stylePLAIN BULB
scale_typeCONCENTRIC DIAL
body_height1.031 INCHES MAXIMUM IN
body_length1.120 INCHES MAXIMUM IN
top_diameter0.438 INCHES IN
bulb_quantity1
case_diameter2.188 INCHES NOMINAL IN
dial_diameter1.750 INCHES NOMINAL IN
NSN3110-00-100-0512
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BM5-1 · 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
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
2075-4Interchangeable
interchangeable cross-reference
interchangeable
2075-3Interchangeable
interchangeable cross-reference
interchangeable
2810U1A014-5Interchangeable
interchangeable cross-reference
interchangeable
13621Interchangeable
interchangeable cross-reference
interchangeable
53618Interchangeable
interchangeable cross-reference
interchangeable
106-108AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BM5-1?
BM5-1 is a CUP,TAPERED ROLLER BEARING.
What parts can replace BM5-1?
There are 19 known substitutes for BM5-1: 2075-4, 2075-3, 2810U1A014-5 and 16 more. Substitute compatibility should be verified for your specific system.
Is BM5-1 still available?
BM5-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026