Model: MS21231-9

Self-aligning Plain Bearing

Properties:

Bore Diameter

Between 0.5620 inches and 0.5625 inches

Outer Member Outside Diameter

Between 1.1245 inches and 1.1250 inches

Outer Member Width

Between 0.5310 inches and 0.5410 inches

Inner Member Width

Between 0.6850 inches and 0.6870 inches

Static Radial Load Rating

34400 pounds

Hardness Rating

23.0 rockwell c outer race member and 35.0 rockwell c outer race member

Hardness Rating

55.0 rockwell c inner member and 62.0 rockwell c inner member

Material

Steel comp 440c inner member

Material

Steel comp 630 outer race member or steel comp 631 outer race member or steel comp 410 outer race member

Style Designator

With insert and/or liner

NSN

3120-00-451-9838

Part Number

MS21231-9

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 MS21231-9 NSN 3120-00-451-9838

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

114850

UFC:

58880

LTL:

70.0

LCL:

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