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11628998 — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

11628998: 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 COMP 4720 ROLLER, cup_width: 1.0313 INCHES NOMINAL IN, cone_width: 1.3750 INCHES NOMINAL IN, bore_diameter: 3.6250 INCHES MINIMUM AND 3.6260 INCHES MAXIMUM IN, overall_width: 1.3125 INCHES MINIMUM AND 1.3205 INCHES MAXIMUM IN, standout_width: 0.2812 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-585-6966, 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
11628998
NSN: 3110-01-585-6966
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 4720 ROLLER
cup_width1.0313 INCHES NOMINAL IN
cone_width1.3750 INCHES NOMINAL IN
bore_diameter3.6250 INCHES MINIMUM AND 3.6260 INCHES MAXIMUM IN
overall_width1.3125 INCHES MINIMUM AND 1.3205 INCHES MAXIMUM IN
standout_width0.2812 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, KEYWAY CONE, NORMAL ANGLE
cone_corner_radius0.1400 INCHES NOMINAL IN
backface_corner_radius0.1300 INCHES NOMINAL IN
overall_outside_diameter5.7500 INCHES MINIMUM AND 5.7510 INCHES MAXIMUM IN
NSN3110-01-585-6966
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 11628998 · 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: 1.0313 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, KEYWAY CONE, NORMAL ANGLE
•
OVERALL OUTSIDE DIAMETER: 5.7500 INCHES MINIMUM AND 5.7510 INCHES MAXIMUM IN
•
BACKFACE CORNER RADIUS: 0.1300 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.2812 INCHES NOMINAL IN
•
CONE WIDTH: 1.3750 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 WIDTH1.0313 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, KEYWAY CONE, NORMAL ANGLE
OVERALL WIDTH1.3125 INCHES MINIMUM AND 1.3205 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER5.7500 INCHES MINIMUM AND 5.7510 INCHES MAXIMUM IN
BACKFACE CORNER RADIUS0.1300 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
STANDOUT WIDTH0.2812 INCHES NOMINAL IN
CONE WIDTH1.3750 INCHES NOMINAL IN
BORE DIAMETER3.6250 INCHES MINIMUM AND 3.6260 INCHES MAXIMUM IN
MATERIALSTEEL CAGE
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11628998?
11628998 is a BEARING,ROLLER,TAPERED.
What is the NSN for 11628998?
11628998 is cataloged in the U.S. Government catalog under NSN 3110-01-585-6966. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.