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Datasheet. R55721 specification
The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.
rectangular
The length of a straight line which passes through the center of the largest diameter of the item,and terminates at the circumference.
1.9010in. and 1.9050in.
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
2.2800in.
The style designation indicating the configuration that most nearly corresponds to the shape of the center hole.
round w/keyways
An overall measurement of the smallest dimension of an item,in distinction from length or width.
0.1630in. and 0.1670in.
The number of keyways contained in or on the item.
8
0.0300in. and 0.0500in.
The length of a straight line which passes through the center of the smallest diameter of the item,and terminates at the circumference.
1.7550in. and 1.7650in.
The number of keyways contained in the center hole of the item.
8
The physical configuration of the corner.
square all corners
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
45.0 rockwell c and 50.0 rockwell c
0.0100in. and 0.0300in.
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 1552
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
sae assn std single material response
The condition of the item with respect to the texture of the surface.
ground
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
round w/keyways
Answers.
1EA
Round w/keyways
Steel comp 1552
2.2800 inches
Schedule B number: 8482105008
nmfc 114850
Thrust ball 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 3120-01-258-0897 BEARING,WASHER,THRUST
round w/keyways 2.2800" outside diameter
- NIIN
- 012580897
- NIIN Date
- 06/27/87
- Schedule B
- 8482105008
- Name Code
- 13211
- FIIG
- A045A0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $31.50 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
Major End Users Countries and entities
- - Department of The Army
Availability for R55721 A member of our team will provide you with a price and availability quote
Request a Quote »Shipping Information
- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- 70.0
- LCL (less than a car load rating)
- Unknown
- 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)
- 114850 BEARING/BUSHING O/T BALL/ROLLER I/S
- UFC (universal freight code)
- 58880
Similar by Design Other bearings with similar characteristics
Nothing similar to this part number was found in our inventory
R55721 / Bearing,washer,thrustWhat is the formal definition of this item?
An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. it is designed for applications involving moving (kinetic) loads. except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. the thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). excludes straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. see also washer, flat and spacer, sleeve.
