237903

237903 Roller Cylindrical Bearing

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Datasheet. 237903 specification

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

2.7556in. and 2.7759in.

Overall Outside Diameter
The overall length of a straight line which passes through the center of an item,and terminates at the outside circumference.

4.3304in. and 4.3307in.

Outer Ring Width

0.9761in. and 0.9811in.

Inner Ring Width

1.1761in. and 1.1811in.

Surface Finish
An additional finishing process by which the surface of an item is altered in respect to polishing,grinding,and the like.

ground

Retainer Fabrication Method
The means used in manufacturing the retainer.

machined

Bore Shape
The physical configuration of the bore.

straight

Locating Feature
The ability of the bearing to provide freedom for axial movement of the shaft relative to the housing.

nonlocating

Internal Clearance
The clearance between the bearing rings and the rolling elements.

0.0030in. radial and 0.0045in. radial

Standard Tolerance Designation
The standard tolerance designation indicating the manufactured limitations of the item as established by the various specifications and standards.

rbec no.5

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

flanged outer ring 4.6100 in. flange od 0.1260 in. flange width

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

copper alloy retainer

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

steel comp E52100 inner ring

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

steel comp E52100 outer ring

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.

angular contact, spherical rollers, separable

Answers.

What quantity is this sold in?

1EA

What is the style?

Angular contact, spherical rollers, separable

What material is the roller cylindrical bearing made of ?

Steel comp e52100 roller

What material is the roller cylindrical bearing made of ?

Steel comp e52100 outer ring

What material is the roller cylindrical bearing made of ?

Steel comp e52100 inner ring

What material is the roller cylindrical bearing made of ?

Copper alloy retainer

What is the NSN for 237903?

3110-00-293-9192

How is this classified for shipping?

Schedule B number: 8482500000
nmfc 114820
Other cylindrical roller bearings

What's the federal classification of 237903?

FSC 3110 ⁓ Bearings, antifriction, unmounted

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 plain bearings (fsc 3120); jewel bearings (fsc 3120)

NSN 3110-00-293-9192 BEARING,ROLLER,CYLINDRICAL

angular contact, spherical rollers, separable flanged outer ring 4.6100 in. flange od 0.1260 in. flange width 2.7556" bore diameter

NIIN
002939192
NIIN Date
01/04/67
Schedule B
8482500000 
Name Code
00015
FIIG
A044A0
QUP
Historical Price
$7,471.85 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Contains silver
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Department of The Air Force 
  • - Brazil 
  • - France 
  • - Greece 

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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 bearings with similar characteristics

Nothing similar to this part number was found in our inventory

237903 / Bearing,roller,cylindricalWhat is the formal definition of this item?

A nonadjustable roller bearing consisting of a single or multiple-row of hardened cylindrical rollers and a retainer used with or without inner or oute r rings. excludes bearing, roller, airframe.