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Datasheet. 552356 specification
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
1.5740in. and 1.5760in. ⁓1-37/64"
The length of a straight line which passes through the center of the body,and terminates at the outside circumference.
1.8800in.
The length of a straight line which passes through the center of a body,and terminates at the inside circumference.
1.6600in.
The length of a straight line which passes through the center of the flange,and terminates at the outside circumference.
2.2500in.
A measurement taken at right angles to the length of a flange,in distinction from thickness.
0.2500in.
1.5743in. and 1.5748in.
1.5743in. and 1.5748in.
0.3300in.
0.3300in.
0.1300in.
The physical configuration of the corner.
round center flange left body corner
The physical configuration of the corner.
round center flange right body corner
The physical configuration of the corner.
square center flange outside left corner
The physical configuration of the corner.
square center flange outside right corner
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
28.0 rockwell c and 34.0 rockwell c
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
180.0 microinches left end surface of flange
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
180.0 microinches outside diameter surface of body
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
180.0 microinches outside diameter surface of flange
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
180.0 microinches right end surface of flange
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
32.0 microinches left end surface of body
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
32.0 microinches right end surface of body
1.8800in.
1.8800in.
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 8630 and steel comp 8640 or steel comp 4130 and steel comp 4140
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
QQ-T-00825 fed spec all material responses
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
21C-3 solid, external flange, internal flange at both ends
Answers.
21c-3 solid, external flange, internal flange at both ends
Steel comp 8630 and steel comp 8640 or steel comp 4130 and steel comp 4140
Schedule B number: 8482997090
Parts, for roller bearings or for combined ball/roller bearings
FSC 3120 ⁓ Bearings, plain, unmounted
Note-bearings in this class are generally one piece that retain and position moving and/or rotating parts. they may have lubrication grooves/fittings/facilities or include pre-lubrication.
Excluding antifriction bearings (fsc 3110); mounted bearings (fsc 3130).
NSN 3120-00-047-4090 BEARING,SLEEVE
21c-3 solid, external flange, internal flange at both ends 1.5740" overall length
- NIIN
- 000474090
- NIIN Date
- 01/01/63
- Schedule B
- 8482997090
- Name Code
- 13205
- FIIG
- A045A0
- 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. | 7738056 | Cage 19207 |
Major End Users Countries and entities
- - Austria
- - Republic of Korea
- - Greece
- - Turkey
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552356 / Bearing,sleeveWhat is the formal definition of this item?
A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. it must have a visible or detectable means of lubrication or be self-lubricated. the over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. see also bushing, sleeve; spacer, sleeve; and washer (as modified). excludes pin, hollow.
