Ball Bearing Unit
PB1
(NSN) National Stock Number
3130-00-027-5944
Federal Supply Classification
3130 Mounted Bearings
Item Name Code
30556
Schedule B Code
8482991050
Summary
0.4375 inches nominal mounting hole diameter, 1.0000 inches nominal bore diameter, 0.1120 inches nominal base thickness, 3.3750 inches nominal center to center distance between mounting holes along width, 2.2031 inches nominal housing height, 0.8590 inches nominal housing length
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | 5 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 1 | - | - | HD |
Identification
An assembled unit, composed of a housing incorporating a single or multiple row ball bearing(s), designed to meet various or specific conditions of mounting.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 30556 | A093A0 | - | 1 |
Specifications
Mounting Hole Diameter
0.4375 inches nominal
Details
The length of a straight line which passes through the center of a mounting hole,and terminates at the circumference.Bore Diameter
1.0000 inches nominal
Details
The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.Base Thickness
0.1120 inches nominal
Details
A measurement of the smallest dimension of a base,in distinction from length or width.Center To Center Distance Between Mounting Holes Along Width
3.3750 inches nominal
Details
A measurement of the center to center distance between the mounting holes along the width.Housing Height
2.2031 inches nominal
Details
None.Housing Length
0.8590 inches nominal
Details
A measurement of the longest dimension of the housing,in distinction from width.Housing Width
4.2500 inches nominal
Details
A measurement taken at right angles to the length of a housing,in distinction from thickness.Base Length
1.2500 inches nominal
Details
A measurement of the longest dimension of the base,in distinction from width.Rolling Element Groove Quantity
1
Details
The number of grooves in which the rolling element rides.Alignment Type
self-aligning
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.Assembly Overall Length
1.5480 inches nominal
Details
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the assembly.Seal Type
contact
Details
Indicates the type of seal included with the item.Block Type
fixed
Details
Indicates the type of block.Shaft End Type
open
Details
Indicates the type of shaft end provided.Seal Location
both ends
Details
Indicates the location of the seal.Collar Location
one end
Details
Indicates the location of the collar.Load Capability Type
radial
Details
Indicates the type of load capability.Height From Bottom Of Base To Bore Centerline
1.1250 inches nominal
Details
None.Features Provided
ground rolling element groove
Details
Those features,not otherwise specified,which may be required for proper functioning of the item.Rotating Element Locking Method
setscrew locking collar
Details
The means of locking the rotating element of the bearing to the shaft.Mounting Hole Type
round, unthreaded
Details
Indicates the type of mounting hole(s) provided on the item.Material
iron cast housing
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
steel seal and rubber synthetic seal
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Style Designator
pillow block, separable with innerliner
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| SSP-16 | 81278 | 5 | - | 5 | 1 | - | ZZ |
| SSP-16 | 02695 | 5 | - | 5 | 1 | - | ZZ |
| 64690-SL | 71041 | 4 | - | 3 | 2 | - | KZ |
| 128068 | 71956 | 5 | - | 5 | 2 | - | KZ |
| 12807/SL1 PILLOW BLOCK | 71956 | 5 | - | 5 | 1 | - | ZZ |
| SL1 PILLOW BLOCK | 71956 | 5 | - | 5 | 9 | - | KZ |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | U | - | - |
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 3130-00-027-5944
What is the NIIN of the NSN 3130-00-027-5944?
The National Item Identification Number (NIIN) of the NSN 3130-00-027-5944 is 00-027-5944
When the NSN 3130-00-027-5944 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Sat, May 6, 1967
Does the NSN 3130-00-027-5944 contain any precious metals?
Type/content is unknown
Does the NSN 3130-00-027-5944 contain any hazardous material?
No data in HMIRS
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