Roller Bearing Unit
BC56985
(NSN) National Stock Number
3130-01-253-3191
Federal Supply Classification
3130 Mounted Bearings
Item Name Code
30558
Schedule B Code
8482997090
Summary
0.073 inches minimum and 0.078 inches maximum flange thickness, 0.1895 inches minimum and 0.1900 inches maximum bore diameter, 1.115 inches minimum and 1.125 inches maximum overall outside diameter, 0.620 inches minimum and 0.625 inches maximum housing length, 1 rolling element groove quantity, rigid alignment type
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | ZZ |
Identification
An assembled unit, composed of a housing incorporating a single or multiple row roller bearing(s), designed to meet various or specific conditions of mounting.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 30558 | A093A0 | - | 1 |
Specifications
Flange Thickness
0.073 inches minimum and 0.078 inches maximum
Details
A measurement of the smallest dimension of a flange,in distinction from length or width.Bore Diameter
0.1895 inches minimum and 0.1900 inches maximum
Details
The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.Overall Outside Diameter
1.115 inches minimum and 1.125 inches maximum
Details
The overall length of a straight line which passes through the center of an item,and terminates at the outside circumference.Housing Length
0.620 inches minimum and 0.625 inches maximum
Details
A measurement of the longest dimension of the housing,in distinction from width.Rolling Element Groove Quantity
1
Details
The number of grooves in which the rolling element rides.Alignment Type
rigid
Details
Indicates the type of alignment utilized whereby the item will adjust axially for misalignment.Internal Fit-Up Designation
standard
Details
The designation specifying the type of fit as recognized by industrial and governmental agencies.Block Type
fixed
Details
Indicates the type of block.Shaft End Type
open
Details
Indicates the type of shaft end provided.Load Capability Type
radial
Details
Indicates the type of load capability.Rotating Element Locking Method
straight sleeve
Details
The means of locking the rotating element of the bearing to the shaft.Material
steel overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Surface Treatment
cadmium housing excluding bore
Details
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| BC56985 | 55955 | A | - | 5 | 9 | - | KZ |
| BC56985 | 60380 | 5 | - | 5 | 9 | - | ZZ |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | A | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 58770 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 742 | Z | 9 |
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Manufacturer
FAQs
Frequently asked questions for NSN 3130-01-253-3191
What is the NIIN of the NSN 3130-01-253-3191?
The National Item Identification Number (NIIN) of the NSN 3130-01-253-3191 is 01-253-3191
When the NSN 3130-01-253-3191 was assigned to the Federal Catalog?
It was assigned 37 years ago, on Thu, Apr 16, 1987
Does the NSN 3130-01-253-3191 contain any precious metals?
Does not contain precious metal
Does the NSN 3130-01-253-3191 contain any hazardous material?
No data in HMIRS
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