Model: MIL-B-81936

Self-aligning Plain Bearing

Properties:

Bore Diameter

Between 0.2495 inches and 0.2500 inches

Lubrication Material

Grease, mil-g-81322

Outer Member Outside Diameter

Between 0.6557 inches and 0.6562 inches

Outer Member Width

Between 0.3425 inches and 0.3430 inches

Inner Member Width

Between 0.2495 inches and 0.2500 inches

Static Radial Load Rating

4330 pounds

Hardness Rating

28.0 rockwell c outer race member and 36.0 rockwell c outer race member

Hardness Rating

37.0 rockwell c inner member

Lubrication Feature

Groove inner member and perforation inner member

Lubrication Feature

Groove outer race member and perforation outer race member

Material

Copper alloy inner member

Material

Steel outer race member

Material Specification

Ams5643, cond h1150 assn standard 2nd material response outer race member

Style Designator

Without insert or liner

Test Data Document

81349-milb81936 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

NSN

3120-01-157-0586

Part Number

MIL-B-81936

Description

Bearing,plain,self-aligning

CAGE

81349

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.

Part MIL-B-81936 NSN 3120-01-157-0586

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

13208

FIIG:

A045A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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Schedule B and Export

Schedule B: 8482300040
SITC: 74630
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Spherical roller bearings, single row