Part Number TWF21-28U

Airframe Ball Bearing
Description

Bearing

Stock Availability  condition code chart

Part number twf21-28u is in stock in the following quantities and conditions.

  • NS: 1

Note: Availability of this item was last updated 11/04/2024 and may have changed since then. Request a quote for up to date pricing and availability.

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
twf21-28u
Demil:
No
Shelf Life:
UOM:
NIIN:
003434472

Part Information
Inner ring radial runout 0.0003 in., outer ring radial runout 0.0004 in., outer ring fractured at one point, integral shields are formed by extension of inner and outer ring lands, radial clearance 0.0005 in. Min to 0.0015 in.Max, two holding rings on od of outer ring

NSN
National Stock Number:
3110-00-343-4472 3110003434472
TXT
Description:
Airframe Ball Bearing
INC
INC
Item Name Code:
00041
MRC:
The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.ABXV
Bore Diameter:
Between 1.3122 inches and 1.3125 inches
MRC:
The overall length of a straight line which passes through the center of an item,and terminates at the outside circumference.ADGA
Overall Outside Diameter:
Between 1.7496 inches and 1.7500 inches
MRC:
The element,compound,or mixture with which the item is lubricated.ADZG
Lubrication Material:
Oil
MRC:
None.AGVT
Outer Ring Width:
0.2500 inches
MRC:
None.AGVU
Inner Ring Width:
0.2810 inches
MRC:
The number of shields included on the item.AGYK
Shield Quantity:
2
MRC:
The direction of load with respect to the shaft axis.AGZC
Load Direction:
Radial
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the lubrication material.LMDC
Lubrication Material Specification:
Mil-l-6085 military specification single material response
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp e52100
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
66 military specification single material response
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Single row inner ring extended both sides

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