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56331 — BEARING,ROLLER,TAPERED

✓ Government record, cited
Freecom · MRO · MRO_GENERAL
PRODUCT OVERVIEW

56331: BEARING,ROLLER,TAPERED.

THE TOUGHEST DRIVE THERE IS! In today’s world mobility has become a key factor. People who are on the road carry their whole office with them.

Notebook, mobile phone, PDA, external hard drive… Imagine what can happen when you’re late for a flight, running to the gate, and your external hard drive accidentally falls from your notebook case or out of your jacket pocket onto the floor… it breaks. Hundreds of hours of work, gigabytes of spreadsheets, documents, photo’s… all gone. Not anymore!

Freecom introduces the Tough Drive. The ideal external storage solution for people on the move. Fitted with an internal anti-shock frame and a unique soft silicone cover, it can withstand bumps and drops up to 2 meters so your drive is still fully functional after it has dropped.

The Tough Drive ensures you can still access your valuable files. A safe feeling. Provided by Freecom.

- Durable, soft silicone cover, ideal for mobile computing - Internal anti-shock mechanism insulating This part is cataloged in the U.S. Government catalog under NSN 3110-00-100-4162, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
MRO→ MRO_GENERAL→ 56331
NSN: 3110-00-100-4162
NIINs: 001004162, 009917342, 011944515, 014128642
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 96046 — CRANE PUMPS & SYSTEMS PFT CORP DIV CRANE PUMPS & SYSTEM PFT CORP. (USA)
SPECIFICATIONS
end_item_identificationLCU
NSN3110-00-100-4162
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 56331 · Freecom ⚠ 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: 0.8750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
OVERALL OUTSIDE DIAMETER: 4.2500 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0310 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.2188 INCHES NOMINAL IN
•
CONE WIDTH: 1.1542 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 WIDTH0.8750 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
OVERALL WIDTH1.0918 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER4.2500 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0310 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
STANDOUT WIDTH0.2188 INCHES NOMINAL IN
CONE WIDTH1.1542 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER2.0000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
455S453ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
FF-B-187Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 56331?
56331 is a BEARING,ROLLER,TAPERED manufactured by Freecom. It is classified as a MRO (MRO_GENERAL).
What parts can replace 56331?
There are 2 known substitutes for 56331: 455S453A, FF-B-187. Substitute compatibility should be verified for your specific system.
What is the NSN for 56331?
56331 is cataloged in the U.S. Government catalog under NSN 3110-00-100-4162. This indicates validated use in U.S. government and defense supply chains.
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