S520M

Comprehensive specifications and application details for: S520M Ball Bearing Unit.

Summary

Explore detailed summary information for bearing: S520M. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
S520M
Federal Supply Classification
3130 Mounted Bearings
(NSN) National Stock Number
3130-00-159-1478
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.

2.0156 inches nominal base length, 0.7500 inches nominal base thickness, self-aligning alignment type, fixed block type, 1.9062 inches nominal assembly overall length

Datasheet

Below are the comprehensive technical specifications for bearing: 3130-00-159-1478 . Find dimensions, materials, tolerances, performance characteristics, etc.

Alignment Type
self-aligning
Assembly Overall Length
1.9062 inches nominal
Base Length
2.0156 inches nominal
Base Thickness
0.7500 inches nominal
Block Type
fixed
Bore Diameter
1.2500 inches nominal
Center To Center Distance Between Mounting Holes Along Width
5.0000 inches nominal
Collar Location
one end
Features Provided
ground rolling element groove
Height From Bottom Of Base To Bore Centerline
1.8125 inches nominal
Housing Height
3.6250 inches nominal
Housing Width
6.5625 inches nominal
Internal Fit-Up Designation
standard
Load Capability Type
radial
Lubrication Material
grease
Lubrication Fitting Angle From Horizontal Centerline
90.0 degrees nominal
Lubrication Fitting Type
pipe plug
Material
iron cast housing
Material
steel seal
Mounting Slot Length
0.7500 inches nominal
Mounting Slot Width
0.5625 inches nominal
Mounting Hole Type
slotted
Rolling Element Groove Quantity
1
Rotating Element Locking Method
setscrew locking collar
Seal Location
both ends
Seal Type
labyrinth
Shaft End Type
open
Style Designator
pillow block, solid

Frequently Asked Questions

Find quick answers to common questions about bearing: S520M. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3130-00-159-1478?
The FSCG of the NSN 3130-00-159-1478 is 3130
Does the NSN 3130-00-159-1478 have a Schedule B code assigned?
Yes, the Schedule B code is 8482991050
Does NSN 3130-00-159-1478 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 3130-00-159-1478 contain precious materials?
Item does not contain precious metal.
Does NSN 3130-00-159-1478 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 3130-00-159-1478 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Sun, Jan 1, 1961

Price & Availability

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