RA1 3/4 Ball Bearing Unit

Comprehensive specifications and application details for: RA1 3/4 Ball Bearing Unit.

Summary

Explore detailed summary information for bearing: RA1 3/4. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
RA1 3/4
Federal Supply Classification
3130 Mounted Bearings
(NSN) National Stock Number
3130-01-188-4878
Item Name Code
30556
Federal Item Identification Guide
A093A0
Assigment Date
09/05/1984

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.

self-aligning alignment type, 1.7188 inches nominal assembly overall length, 1.7500 inches nominal bore diameter, fixed block type, 4.7500 inches nominal bolt circle diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3130-01-188-4878 . Find dimensions, materials, tolerances, performance characteristics, etc.

Alignment Type
self-aligning
Assembly Overall Length
1.7188 inches nominal
Block Type
fixed
Bolt Circle Diameter
4.7500 inches nominal
Bore Diameter
1.7500 inches nominal
Collar Location
one end
Features Provided
ground rolling element groove
Housing Diameter
5.8750 inches nominal
Housing Length
0.8661 inches nominal
Internal Fit-Up Designation
standard
Load Capability Type
radial
Lubrication Material
grease
Mounting Hole Type
square
Mounting Hole Width
0.5313 inches nominal
Rolling Element Groove Quantity
2
Rotating Element Locking Method
eccentric cam locking collar
Seal Location
both ends
Seal Type
contact
Shaft End Type
open
Special Features
four mounting holes

Frequently Asked Questions

Find quick answers to common questions about bearing: RA1 3/4. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3130-01-188-4878?
The FSCG of the NSN 3130-01-188-4878 is 3130
Does the NSN 3130-01-188-4878 have a Schedule B code assigned?
Yes, the Schedule B code is 8482991050
Does NSN 3130-01-188-4878 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 3130-01-188-4878 contain precious materials?
Item does not contain precious metal.
Does NSN 3130-01-188-4878 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 3130-01-188-4878 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Wed, Sep 5, 1984

Price & Availability

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