Annular ball bearing 551397B

Manufacturer Specification

Bore Diameter
Between 2.1651 inches and 2.1654 inches
Overall Outside Diameter
Between 3.5430 inches and 3.5433 inches
End Application
Ch47d, helicopter
Outer Ring Width
Between 0.7537 inches and 0.7587 inches
Inner Ring Width
Between 0.9250 inches and 0.9300 inches
Surface Finish
Ground
Load Direction
Angular
Bore Shape
Straight
Precious Material And Location
Retaing ring silver
Style Designator
26b loading groove, non-separable
NSN
3110-01-202-6680
Description
Bearing,ball,annular

Product Details

Steel comp m50 overall material.

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last updated on 05/13/2024