MPB-21/2

Comprehensive specifications and application details for: MPB-21/2 Ball Bearing Unit.

Summary

Explore detailed summary information for bearing: MPB-21/2. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
MPB-21/2
Federal Supply Classification
3130 Mounted Bearings
(NSN) National Stock Number
3130-01-266-9382
Item Name Code
30556
Federal Item Identification Guide
A093A0
Assigment Date
11/03/1987

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.

3.1094 inches nominal assembly overall length, 6.500 inches nominal bolt circle diameter, 2.5000 inches nominal bore diameter, self-aligning alignment type, fixed block type

Datasheet

Below are the comprehensive technical specifications for bearing: 3130-01-266-9382 . Find dimensions, materials, tolerances, performance characteristics, etc.

Alignment Type
self-aligning
Assembly Overall Length
3.1094 inches nominal
Block Type
fixed
Bolt Circle Diameter
6.500 inches nominal
Bore Diameter
2.5000 inches nominal
Features Provided
ground rolling element groove
Flange Thickness
0.4219 inches nominal
Housing Diameter
7.625 inches nominal
Housing Length
2.750 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
hydraulic
Material
iron cast housing
Material
plastic polyamide (nylon) or steel and wool seal
Mounting Hole Diameter
0.5000 inches nominal
Mounting Hole Type
round, unthreaded
Pilot Length
1.000 inches nominal
Pilot Diameter
5.500 inches nominal
Rolling Element Groove Quantity
1
Rotating Element Locking Method
direct
Seal Location
both ends
Seal Type
labyrinth
Shaft End Type
open
Style Designator
flange cartridge block

Replaces

The NSN 3130-01-266-9382 is used in place of the following discontinued or alternate items:

NSN Name Date
3130-01-258-0865 No Name Available 08/01/1992

Frequently Asked Questions

Find quick answers to common questions about bearing: MPB-21/2. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3130-01-266-9382?
The FSCG of the NSN 3130-01-266-9382 is 3130
Does the NSN 3130-01-266-9382 have a Schedule B code assigned?
Yes, the Schedule B code is 8482991050
Does NSN 3130-01-266-9382 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 3130-01-266-9382 contain precious materials?
Item does not contain precious metal.
Does NSN 3130-01-266-9382 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 3130-01-266-9382 was assigned to the Federal Catalog?
It was assigned 37 years ago, on Tue, Nov 3, 1987

Price & Availability

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