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Technical Data Sheet
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126821 — BEARING UNIT,BALL

✓ Government record, cited
Hama · BALL BEARING
PRODUCT OVERVIEW

126821: BEARING UNIT,BALL.

You can decide for yourself where you want to work? In a café, library or park? With this notebook combination lock your laptop will always be secured no matter where you work.

The lock is made of stainless steel i.e. it will not be easy for thieves to break it open. Sturdy carbon steel Safety cable made of sturdy carbon steel, covered with protective plastic Hook and loop cable tie Hook and loop cable tie enables good cable management without tangled cables This part is cataloged in the U.S.

Government catalog under NSN 3130-01-129-9956, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
126821
NSN: 3130-01-129-9956
FSC: 3130 — Bearings, Mounted
CAGE: 71956 — RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS (USA)
SPECIFICATIONS
materialSTEEL BEARING
seal_typeCONTACT
block_typeFIXED
base_length3.5000 INCHES NOMINAL IN
bore_diameter2.9375 INCHES NOMINAL IN
housing_width13.0000 INCHES NOMINAL IN
seal_locationBOTH ENDS
alignment_typeSELF-ALIGNING
base_thickness1.2500 INCHES NOMINAL IN
housing_height7.2500 INCHES NOMINAL IN
shaft_end_typeOPEN
style_designatorPILLOW BLOCK, SOLID
NSN3130-01-129-9956
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 126821 · Hama ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
LUBRICATION FITTING TYPE: HYDRAULIC
•
ASSEMBLY OVERALL LENGTH: 3.5000 INCHES NOMINAL IN
•
HOUSING HEIGHT: 7.2500 INCHES NOMINAL IN
•
MOUNTING SLOT LENGTH: 2.0000 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
MOUNTING HOLE TYPE: SLOTTED
TECHNICAL CHARACTERISTICS
SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
LUBRICATION FITTING TYPEHYDRAULIC
ASSEMBLY OVERALL LENGTH3.5000 INCHES NOMINAL IN
HOUSING HEIGHT7.2500 INCHES NOMINAL IN
MOUNTING SLOT LENGTH2.0000 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
MOUNTING HOLE TYPESLOTTED
ROTATING ELEMENT LOCKING METHODDIRECT
SEAL LOCATIONBOTH ENDS
OTHER ITEMS IN FSC 3130 — Bearings, Mounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3130-00-001-5118 3130-00-001-5137 3130-00-001-6585 3130-00-003-0422 3130-00-003-0455 3130-00-003-0794 3130-00-003-2802 3130-00-003-9535
SUBSTITUTES & CROSS-REFERENCES 4
114585-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
MP-47CReference document
Same NSN cross-reference
Reference document — Secondary reference
7859 ITEM 14Reference document
Same NSN cross-reference
Reference document — Secondary reference
RAKH2 15/16Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 126821?
126821 is a BEARING UNIT,BALL manufactured by Hama.
What parts can replace 126821?
There are 4 known substitutes for 126821: 114585-1, MP-47C, 7859 ITEM 14 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 126821?
126821 is cataloged in the U.S. Government catalog under NSN 3130-01-129-9956. This indicates validated use in U.S. government and defense supply chains.
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