MPB-21/2 Ball Bearing Unit

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.

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