NP25 Ball Bearing Unit

Comprehensive specifications and application details for: NP25 Ball Bearing Unit.

Summary

Explore detailed summary information for bearing: NP25. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
NP25
Federal Supply Classification
3130 Mounted Bearings
(NSN) National Stock Number
3130-00-227-2819
Item Name Code
30556
Federal Item Identification Guide
A093A0
Assigment Date
01/01/1961

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.

fixed block type, 5.3750 inches nominal center to center distance between mounting holes along width, self-aligning alignment type, 1.5625 inches nominal bore diameter, ground rolling element groove features provided

Datasheet

Below are the comprehensive technical specifications for bearing: 3130-00-227-2819 . Find dimensions, materials, tolerances, performance characteristics, etc.

Alignment Type
self-aligning
Block Type
fixed
Bore Diameter
1.5625 inches nominal
Center To Center Distance Between Mounting Holes Along Width
5.3750 inches nominal
Features Provided
ground rolling element groove
Height From Bottom Of Base To Bore Centerline
1.9375 inches nominal
Housing Height
3.9375 inches nominal
Housing Length
2.1250 inches nominal
Housing Width
7.2500 inches nominal
Internal Fit-Up Designation
standard
Lubrication Material
grease
Lubrication Fitting Angle From Horizontal Centerline
90.0 degrees nominal
Lubrication Fitting Type
hydraulic
Material
iron cast overall
Material
wool and steel seal
Mounting Slot Length
1.0000 inches nominal
Mounting Hole Type
slotted
Rolling Element Groove Quantity
1
Rotating Element Locking Method
direct
Seal Location
both ends
Seal Type
labyrinth
Shaft End Type
open
Special Features
locking pin and dimple locatelubrication hole

Frequently Asked Questions

Find quick answers to common questions about bearing: NP25. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3130-00-227-2819?
The FSCG of the NSN 3130-00-227-2819 is 3130
Does the NSN 3130-00-227-2819 have a Schedule B code assigned?
Yes, the Schedule B code is 8482991050
Does NSN 3130-00-227-2819 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 3130-00-227-2819 contain precious materials?
Precious metal content is unknown
Does NSN 3130-00-227-2819 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 3130-00-227-2819 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

Price & Availability

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