D7690-4 Ball Bearing Unit

Comprehensive specifications and application details for: D7690-4 Ball Bearing Unit.

Summary

Explore detailed summary information for bearing: D7690-4. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: D7690-4
Federal Supply Classification: 3130 Mounted Bearings
(NSN) National Stock Number: 3130-00-227-3156
Item Name Code: 30556
Federal Item Identification Guide: A093A0
Assigment Date: 01/01/1963

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.

5.3750 inches nominal bolt circle diameter, fixed block type, 2.1875 inches nominal assembly overall length, 2.0000 inches nominal bore diameter, self-aligning alignment type

Datasheet

Below are the comprehensive technical specifications for bearing: 3130-00-227-3156 . Find dimensions, materials, tolerances, performance characteristics, etc.

Alignment Type: self-aligning
Assembly Overall Length: 2.1875 inches nominal
Block Type: fixed
Bolt Circle Diameter: 5.3750 inches nominal
Bore Diameter: 2.0000 inches nominal
Features Provided: ground rolling element groove
Flange Thickness: 0.8750 inches nominal
Housing Diameter: 6.3750 inches nominal
Housing Length: 1.6250 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
Material: steel bearing
Mounting Hole Diameter: 0.5000 inches nominal
Mounting Hole Type: round, unthreaded
Pilot Length: 0.6250 inches nominal
Pilot Diameter: 4.5000 inches nominal
Rolling Element Groove Quantity: 2
Rotating Element Locking Method: direct
Seal Location: both ends
Seal Type: labyrinth
Shaft End Type: open
Style Designator: flange cartridge block

Replaces

The NSN 3130-00-227-3156 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3130-00-554-6012	No Name Available	03/01/1977

Frequently Asked Questions

Find quick answers to common questions about bearing: D7690-4. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3130-00-227-3156?: The FSCG of the NSN 3130-00-227-3156 is 3130

Does the NSN 3130-00-227-3156 have a Schedule B code assigned?: Yes, the Schedule B code is 8482991050

Does NSN 3130-00-227-3156 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 3130-00-227-3156 contain precious materials?: Item does not contain precious metal.

Does NSN 3130-00-227-3156 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.