C4556BME3

View detailed technical data, stock status, and sourcing information for: C4556BME3
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-901-7247

Item Name Code

00041

Assigment Date

01/01/1960 (66 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

0.3120 inches nominal outer ring width, 2.8122 inches minimum and 2.8128 inches maximum bore diameter, 3.4992 inches minimum and 3.5001 inches maximum overall outside diameter, 0.3700 inches minimum and 0.3750 inches maximum inner ring width, machined retainer fabrication method

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Bore Diameter: 2.8122 inches minimum and 2.8128 inches maximum
Overall Outside Diameter: 3.4992 inches minimum and 3.5001 inches maximum
Outer Ring Width: 0.3120 inches nominal
Inner Ring Width: 0.3700 inches minimum and 0.3750 inches maximum
Retainer Fabrication Method: machined
Load Direction: radial
Special Features: outer ring fractured at one point,two retainment rings on od of outer ring,radial clearance 0.0005 in. min to 0.0015 in. max
Material: plastic phenolic retainer
Material: steel ball
Material: steel inner ring
Material: steel outer ring
Surface Treatment: cadmium all external/exposed metal surfaces
Style Designator: single row, torque tube type, w/or w/o closure

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
C4556BME3	Airframe Ball Bearing
C4556BME5P515L02	Airframe Ball Bearing
TCR45-56P	Airframe Ball Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3110-00-901-7247?

The FSCG of the NSN 3110-00-901-7247 is 3110

Does the NSN 3110-00-901-7247 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105068

Does NSN 3110-00-901-7247 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 3110-00-901-7247 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-901-7247 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 3110-00-901-7247 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960