550868

550868 Roller Bearing Unit

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Datasheet. 550868 specification

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

2.2500in. and 2.2510in.

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

1.620in.

Center To Center Distance Between Mounting Holes Along Width
A measurement of the center to center distance between the mounting holes along the width.

7.750in. and 8.750in.

Center To Center Distance Between Mounting Holes Along Length
A measurement of the center to center distance between the mounting holes along the length.

1.880in.

Housing Height

5.620in.

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

4.000in.

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

10.380in.

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

peacekeeper t and h

Base Length
A measurement of the longest dimension of the base,in distinction from width.

3.500in.

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.

SELF-Aligning

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

standard

Block Type
Indicates the type of block.

fixed

Load Capability Type
Indicates the type of load capability.

radial and thrust

Height From Bottom Of Base To Bore Centerline

2.750in.

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

direct

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

iron cast housing

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

steel comp E52100 inner race

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

steel comp E52100 race

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

steel comp E52100 roller

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

pillow block, optional split

Answers.

What quantity is this sold in?

1EA

What is the style?

Pillow block, optional split

What material is the roller bearing unit made of ?

Steel comp e52100 roller

What material is the roller bearing unit made of ?

Steel comp e52100 race

What material is the roller bearing unit made of ?

Steel comp e52100 inner race

What material is the roller bearing unit made of ?

Iron cast housing

What is the NSN for 550868?

3130-01-225-3638

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 550868?

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 3130-01-225-3638 BEARING UNIT,ROLLER

Used on peacekeeper t and h. pillow block, optional split 4.000" housing length 2.2500" bore diameter

NIIN
012253638
NIIN Date
02/01/86
Schedule B
8482997090 
Name Code
30558
FIIG
A093A0
QUP
Historical Price
$409.60 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
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. ST36D29-1 Cage 04236

Major End Users Countries and entities

  • - Department of The Air Force 

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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
Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft 
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

550868 / Bearing unit,rollerWhat is the formal definition of this item?

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