Model: MS21231-5

Self-aligning Plain Bearing

Properties:

Bore Diameter

Between 0.3120 inches and 0.3125 inches

Outer Member Outside Diameter

Between 0.6870 inches and 0.6875 inches

Outer Member Width

Between 0.3120 inches and 0.3220 inches

Inner Member Width

Between 0.4350 inches and 0.4370 inches

Static Radial Load Rating

9400 pounds

Hardness Rating

23.0 rockwell c outer race member

Hardness Rating

55.0 rockwell c inner member

Material

Steel comp 440c inner member

Material

Steel outer race member

Style Designator

Without insert or liner

NSN

3120-00-079-9974

Part Number

MS21231-5

Description

Bearing,plain,self-aligning

CAGE

96906

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 MS21231-5 NSN 3120-00-079-9974

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

114820

UFC:

58860

LTL:

77.5

LCL:

77.5

WCC:

742

TCC:

SHC:

ACC:

Trailers/Vehicles

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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