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Annular Ball Bearing

Model / MPN: 57155K388 | NSN: 3110-01-561-2587
ITAR Registered seal

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing, ball, duplex. Excludes bearing, ball, airframe.

Product Details
NATO Stock Number
3110-01-561-2587
Sold in multiples of
1 EA
DEMIL
NO
Bore Diameter
0.2500 inches
Overall Outside Diameter
0.6250 inches
Outer Ring Width
0.1960 inches
Inner Ring Width
0.2272 inches
Load Direction
Radial
Bore Shape
Straight
Material
Steel comp 440c
Style Designator
Single row inner ring extended both sides
57155K Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE4A419T3500 Bearing, Ball, Annula 76 EA 02/07/2019
SPE4A620T551E Bearing, Ball, Annula 36 EA 03/05/2020
SPE4A620T00X6 Bearing, Ball, Annula 36 EA 05/04/2020

Pricing and Availability

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57155K388 Cross Reference