MR-56
View detailed technical data, stock status, and sourcing information for: MR-56
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part MR-56 to receive an up to date pricing and availability quote by email.
A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.
3.5012 inches minimum and 3.5024 inches maximum bore diameter, 1.9950 inches minimum and 2.0000 inches maximum overall width, pressed retainer fabrication method, ground surface finish, 4.4992 inches minimum and 4.5000 inches maximum overall outside diameter
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Overall Width
- 1.9950 inches minimum and 2.0000 inches maximum
- Bore Diameter
- 3.5012 inches minimum and 3.5024 inches maximum
- Overall Outside Diameter
- 4.4992 inches minimum and 4.5000 inches maximum
- Surface Finish
- ground
- Retainer Fabrication Method
- pressed
- Alignment Type
- rigid
- Standard Tolerance Designation
- afbma std tolerance for industrial needle bearings
- Material
- copper alloy retainer
- Material
- steel comp e50100 or steel comp e51100 or steel comp e52100 roller
- Material
- steel comp e51100 or steel comp e52100 or steel comp e4340h or steel comp 4720h or steel comp 8620 or steel comp 8720 outer ring
- Material Document And Classification
- 66 fed std all material responses outer ring
- Material Document And Classification
- 66 fed std all material responses roller
- Style Designator
- non-separable, with roller retainer, hardened and ground
- Specification/Standard Data
- 96906-ms51961 government standard
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 3810-00-627-4715 | No Name Available | 01/11/1971 |
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 |
|---|---|
| GR-56 | Needle Roller Bearing |
| MR-56 | Needle Roller Bearing |
| MS51961-42 | Needle Roller Bearing |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 3110-00-966-4852?
Does the NSN 3110-00-966-4852 have a Schedule B code assigned?
Does NSN 3110-00-966-4852 require demilitarization?
Does NSN 3110-00-966-4852 contain precious materials?
Does NSN 3110-00-966-4852 contain hazardous materials?
When the NSN 3110-00-966-4852 was assigned to the Federal Catalog?
Professional Distribution
Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.
- ITAR Registered
- DDTC Registered
- HAZMAT Certified
- AS9120 Quality Standards
- 100% Quality Inspections
You May Also Like
Browse other in-demand NSN parts sourced by professionals in defense, aerospace, and manufacturing sectors. Each component meets strict standards for quality and performance.
Pricing
Submit your request below and our team will respond quickly with up-to-date pricing, delivery estimates, and stock information:
