Self-aligning Plain Bearing

Model / MPN: P21340 | NSN: 3120-01-257-2258

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes bearing, plain, rod end and bearing, plain, spherical.

Product Details

NATO Stock Number

3120-01-257-2258

Sold in multiples of

1 EA

DEMIL

Bore Diameter

Between 0.4995 inches and 0.5000 inches

Lubrication Material

Lubricant, solid film, mil-l-8937

Outer Member Outside Diameter

Between 0.9995 inches and 1.0000 inches

Outer Member Width

Between 0.3880 inches and 0.3920 inches

Inner Member Width

Between 0.4980 inches and 0.5000 inches

Static Radial Load Rating

33872 pounds

Hardness Rating

37.0 rockwell c inner member

Material

Cobalt comp 6 inner member

Material

Steel comp xm-12 outer race member

Material Specification

Ams 5387 assn standard single material response inner member

Material Specification

Ams 5659 assn standard single material response outer race member

Style Designator

Without insert or liner with staking groove

P2134 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE4A516TY955	Bearing, Plain, Self	25	EA	05/02/2016
SPE4A516TGG52	Bearing, Plain, Self	17	EA	07/27/2016

Pricing and Availability

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Self-aligning Plain Bearing

Pricing and Availability

Certified Quality Assurance

P21340 Cross Reference