159-31778

15931778 Plain Bearing Unit

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Datasheet. 159-31778 specification

Bolt Circle Diameter
The length of a straight line which passes through the center of a bolt circle,and terminates at the circumference.

2.0000in.

Flange Thickness
A measurement of the smallest dimension of a flange,in distinction from length or width.

0.3120in.

Mounting Hole Diameter
The length of a straight line which passes through the center of a mounting hole,and terminates at the circumference.

0.1935in.

Bore Diameter
The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.

0.2500in.

Housing Length
A measurement of the longest dimension of the housing,in distinction from width.

0.9380in.

Housing Width
A measurement taken at right angles to the length of a housing,in distinction from thickness.

2.6240in.

Alignment Type
Indicates the type of alignment utilized whereby the item will adjust axially for misalignment.

SELF-Aligning

Shaft End Type
Indicates the type of shaft end provided.

open

Load Capability Type
Indicates the type of load capability.

thrust

Lubrication Material
The chemical compound or mechanical mixture properties with which the item is lubricated.

grease

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

magnesium housing

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel comp E52100 bearing

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel race

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

flange block

Answers.

What quantity is this sold in?

1EA

What is the style?

Flange block

What material is the plain bearing unit made of ?

Steel race

What material is the plain bearing unit made of ?

Steel comp e52100 bearing

What material is the plain bearing unit made of ?

Magnesium housing

What is the NSN for 159-31778?

3130-00-393-9742

How is this classified for shipping?

Schedule B number: 8482997090
nmfc 114820
Parts, for roller bearings or for combined ball/roller bearings

What's the federal classification of 159-31778?

FSC 3130 ⁓ Bearings, mounted

Note-this class includes bearings that generally have roller or balls confined by an inner and outer ring to relieve friction in/on/around rotating/moving mechanisms.

Excluding antifriction bearings (fsc 3110); plain unmounted bearings (fsc 3120).

NSN 3130-00-393-9742 BEARING UNIT,PLAIN

flange block 0.9380" housing length 0.2500" bore diameter

NIIN
003939742
NIIN Date
01/01/63
Schedule B
8482997090 
Name Code
30557
FIIG
A093A0
QUP
Historical Price
$115.73 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

Major End Users Countries and entities

  • - Department of The Navy 
  • - Republic of Korea 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
77.5 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing 
Commodity (for shipments via water)
Bearings 
NMFC (national motor freight code)
114820 BEARINGS/BUSHINGS NOI BALL/ROLLER 
UFC (universal freight code)
58860 

Similar by Design Other bearing units with similar characteristics

Nothing similar to this part number was found in our inventory

159-31778 / Bearing unit,plainWhat is the formal definition of this item?

An assembled unit, composed of a housing incorporating a plain bearing, or bearings, designed to meet various or specific conditions of mounting.