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11205-03 — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

11205-03: BEARING,ROLLER,TAPERED.

The BEARING,ROLLER,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, cup_width: 0.5313 INCHES NOMINAL IN, cone_width: 0.6875 INCHES NOMINAL IN, bore_diameter: 2.0000 INCHES NOMINAL IN, overall_width: 0.6875 INCHES NOMINAL IN, standout_width: 0.1562 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-5293, 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
11205-03
NSN: 3110-00-100-5293
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 93880 — PRIME-MOVER CO THE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.5313 INCHES NOMINAL IN
cone_width0.6875 INCHES NOMINAL IN
bore_diameter2.0000 INCHES NOMINAL IN
overall_width0.6875 INCHES NOMINAL IN
standout_width0.1562 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.1400 INCHES NOMINAL IN
backface_corner_radius0.0620 INCHES NOMINAL IN
overall_outside_diameter3.3464 INCHES NOMINAL IN
NSN3110-00-100-5293
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 11205-03 · 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
•
CUP WIDTH: 0.5313 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
OVERALL OUTSIDE DIAMETER: 3.3464 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0620 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.1562 INCHES NOMINAL IN
•
CONE WIDTH: 0.6875 INCHES NOMINAL IN
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
CUP WIDTH0.5313 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
OVERALL WIDTH0.6875 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER3.3464 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0620 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
STANDOUT WIDTH0.1562 INCHES NOMINAL IN
CONE WIDTH0.6875 INCHES NOMINAL IN
BORE DIAMETER2.0000 INCHES NOMINAL 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 9
BN07208Reference document
Same NSN cross-reference
Reference document — Secondary reference
A-A-59649Reference document
Same NSN cross-reference
Reference document — Identification reference
3110001005293Reference document
Same NSN cross-reference
Reference document — Secondary reference
11031061-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
18790-18720Reference document
Same NSN cross-reference
Reference document — Secondary reference
FF-B-187/1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11205-03?
11205-03 is a BEARING,ROLLER,TAPERED.
What parts can replace 11205-03?
There are 9 known substitutes for 11205-03: BN07208, A-A-59649, 3110001005293 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11205-03?
11205-03 is cataloged in the U.S. Government catalog under NSN 3110-00-100-5293. This indicates validated use in U.S. government and defense supply chains.
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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.