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Datasheet. 538623 specification
An overall measurement taken at right angles to the length of an item,in distinction from thickness.
1.0186in. and 1.0236in.
The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.
2.5588in. and 2.5591in.
The overall length of a straight line which passes through the center of an item,and terminates at the outside circumference.
3.9367in. and 3.9370in.
The national stock number or the identification information of the end equipment for which the item is a part.
acft eng TF-30
An additional finishing process by which the surface of an item is altered in respect to polishing,grinding,and the like.
ground
The means used in manufacturing the retainer.
machined
The physical configuration of the bore.
straight
The ability of the bearing to provide freedom for axial movement of the shaft relative to the housing.
nonlocating
The clearance between the bearing rings and the rolling elements.
0.0028in. bias megawatts and 0.0038in. angular megawatts
The standard tolerance designation indicating the manufactured limitations of the item as established by the various specifications and standards.
rbec no.5
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.
dia of inner ring is 0.9477 in. min 0.9487 in. max; silver plate cage 0.001-0.002 in. thk per ams 2412 on land riding surf and roller pockets, bake at 475-500F for 2hrs to check for bond
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 4340 retainer
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel inner ring
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel outer ring
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel roller
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
pwa 725, 97497 mfr ref 1st material response outer ring
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
pwa 725, 97497 mfr ref 2nd material response inner ring
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
pwa 725, 97497 mfr ref 3rd material response roller
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
256a single row, ONE-Direction locating, one lip inner ring, two lip outer ring, roller retainment ring on inner ring, NON-Separable
Answers.
1EA
256a single row, one-direction locating, one lip inner ring, two lip outer ring, roller retainment ring on inner ring, non-separable
Steel roller
Steel outer ring
Steel inner ring
Steel comp 4340 retainer
1.0186 inches minimum and 1.0236 inches maximum
Schedule B number: 8482500000
nmfc 114820
Other cylindrical roller bearings
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 3110-00-075-2227 BEARING,ROLLER,CYLINDRICAL
Used on acft eng tf-30. 256a single row, one-direction locating, one lip inner ring, two lip outer ring, roller retainment ring on inner ring, non-separable dia of inner ring is 0.9477 in. min 0.9487 in. max; silver plate cage 0.001-0.002 in. thk per ams 2412 on land riding surf 2.5588" bore diameter 1.0186" overall width
- NIIN
- 000752227
- NIIN Date
- 08/02/67
- Schedule B
- 8482500000
- Name Code
- 00015
- FIIG
- A044A0
- Item Weight
- 270.000lbs
- Item Dimensions
- QUP
- 1
- Historical Price
- $1,912.50 EA
- DEMIL / ITAR
- USML/ITAR controlled item (Code: B)
- 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
- - Portugal
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- 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
538623 / 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.
