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Datasheet. 311D657P1 specification
An overall measurement taken at right angles to the length of an item,in distinction from thickness.
0.5512in.
The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.
1.3780in.
The overall length of a straight line which passes through the center of an item,and terminates at the outside circumference.
2.4259in.
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.
0.0006in. radial and 0.0020in. radial
The standard tolerance designation indicating the manufactured limitations of the item as established by the various specifications and standards.
rbec no.5
The chemical compound or mechanical mixture properties of which the item is fabricated.
copper alloy 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 style designation indicating the configuration that most nearly corresponds to the appearance of the item.
252a single row, NON-Locating, two lip inner ring, cylindrical outer ring, separable
Answers.
252a single row, non-locating, two lip inner ring, cylindrical outer ring, separable
Steel roller
Steel outer ring
Steel inner ring
Copper alloy retainer
0.5512 inches
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 3110-00-112-1228 BEARING,ROLLER,CYLINDRICAL
252a single row, non-locating, two lip inner ring, cylindrical outer ring, separable 1.3780" bore diameter 0.5512" overall width
- NIIN
- 001121228
- NIIN Date
- 08/28/68
- Schedule B
- 8482500000
- Name Code
- 00015
- FIIG
- A044A0
- 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. | R107KC101 | Cage 38443 |
Major End Users Countries and entities
- - Republic of Korea
- - Turkey
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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
- 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)
- 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
311D657P1 / 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.
