303666

303666 Ball Bearing Unit

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Datasheet. 303666 specification

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

3.3750in. and 3.3800in.

Housing Diameter
The length of a straight line which passes through the center of the housing, and terminates at the circumference.

5.2400in. and 5.3750in.

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

0.9320in. and 0.9370in.

Rolling Element Groove Quantity
The number of grooves in which the rolling element rides.

2

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

rigid

Internal Fit-up Designation
The designation specifying the type of fit as recognized by industrial and governmental agencies.

standard

Assembly Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the assembly.

6.0625in.

Block Type
Indicates the type of block.

fixed

Shaft End Type
Indicates the type of shaft end provided.

open

Load Capability Type
Indicates the type of load capability.

radial

Features Provided
Those features,not otherwise specified,which may be required for proper functioning of the item.

ground rolling element groove

Rotating Element Locking Method
The means of locking the rotating element of the bearing to the shaft.

adapter

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

copper alloy retainer or steel retainer

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

steel comp 4140 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

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

66, aisi/sae 8620 fed std single material response race

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

66 fed std single material response bearing

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

QQ-B-613 fed spec 1st material response retainer

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

QQ-S-624 fed spec single material response housing

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

cylindrical cartridge

Answers.

What is the style?

Cylindrical cartridge

What material is the ball bearing unit made of ?

Steel race

What material is the ball bearing unit made of ?

Steel comp e52100 bearing

What material is the ball bearing unit made of ?

Steel comp 4140 housing

What material is the ball bearing unit made of ?

Copper alloy retainer or steel retainer

What is the NSN for 303666?

3130-00-039-8962

How is this classified for shipping?

Schedule B number: 8482991050
nmfc 114820
Parts, except inner and outer races, for ball bearings, (including ball bearings with integral shafts)

What's the federal classification of 303666?

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 3130-00-039-8962 BEARING UNIT,BALL

cylindrical cartridge 0.9320" housing length 3.3750" bore diameter

NIIN
000398962
NIIN Date
01/01/63
Schedule B
8482991050 
Name Code
30556
FIIG
A093A0
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

1. 7737607 Cage 19207
2. 2520000398962 Cage SCY13

Major End Users Countries and entities

  • - Austria 
  • - Spain 
  • - Morocco 
  • - Republic of Korea 
  • - Greece 
  • - Turkey 

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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)
77.5
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

303666 / Bearing unit,ballWhat is the formal definition of this item?

An assembled unit, composed of a housing incorporating a single or multiple row ball bearing(s), designed to meet various or specific conditions of mounting.