Model: PM31

Annular Ball Bearing

Properties:

Overall Width

14.0 millimeters

Bore Diameter

20.0 millimeters

Overall Outside Diameter

47.0 millimeters

Surface Finish

Ground

Retainer Fabrication Method

Pressed

Load Direction

Radial

Bore Shape

Straight

Internal Fit-up Designation

Standard

Standard Tolerance Designation

Abec no.1

Material

Steel

Style Designator

Non-loading groove, non-separable

NSN

3110-00-554-3232

Part Number

PM31

Description

Bearing,ball,annular

CAGE

50019

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.

Part PM31 NSN 3110-00-554-3232

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00014

FIIG:

A044A0

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:

0.3000lbs

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:

114820

UFC:

58860

LTL:

77.5

LCL:

WCC:

742

TCC:

SHC:

ACC:

Trailers/Vehicles

End Items End applications NSN 3110-00-554-3232 is a component of

Main Feed Pumps
B-1 Aircraft Support Equipment
Aircraft Elevators
L.p. Compressors
Fire Pumps
Mk-45 5-in./54 Cal Gun
C-2a (reprocured) Aircraft
Mk-1 Mod 0 Fire Control System
014627471
Hoist Frame
003076060
Hydraulic Drive Unit
010253733
Truck Tractor
004637089
Aircraft Cargo Loading-unloading Truck
005151851
Portable Duct Type Heater
001024236
Aircraft Cargo Loading-unloading Truck
002197968
Portable Duct Type Heater

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Schedule B and Export

Schedule B: 8482105028
SITC: 74610
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Angular contact ball bearings, nesoi