ST-221
View detailed technical data, stock status, and sourcing information for: ST-221
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 ST-221 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.
pressed retainer fabrication method, 29.0 millimeters nominal overall width, 120.00 millimeters nominal overall outside diameter, ground surface finish, 55.00 millimeters nominal bore 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
- 29.0 millimeters nominal
- Bore Diameter
- 55.00 millimeters nominal
- Overall Outside Diameter
- 120.00 millimeters nominal
- Surface Finish
- ground
- Retainer Fabrication Method
- pressed
- Load Direction
- radial
- Bore Shape
- straight
- Internal Fit-Up Designation
- standard
- Standard Tolerance Designation
- abec no.1
- Material
- steel overall
- Style Designator
- loading groove, non-separable
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 3110-00-155-6758 | No Name Available | 01/01/1984 |
| 2815-01-010-0969 | No Name Available | 03/01/1983 |
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 |
|---|---|
| 1311M | Annular Ball Bearing |
| 1311X1 | Annular Ball Bearing |
| 2251193 | Annular Ball Bearing |
| 311J | Annular Ball Bearing |
| 311MQ6B4 | Annular Ball Bearing |
| 72-6972-008 | Annular Ball Bearing |
| 771A147-8 | Annular Ball Bearing |
| L-355 | Annular Ball Bearing |
| M311CE1TX9 | Annular Ball Bearing |
| MT311TF | Annular Ball Bearing |
| ST-221 | Annular Ball Bearing |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 3110-00-555-5570?
Does the NSN 3110-00-555-5570 have a Schedule B code assigned?
Does NSN 3110-00-555-5570 require demilitarization?
Does NSN 3110-00-555-5570 contain precious materials?
Does NSN 3110-00-555-5570 contain hazardous materials?
When the NSN 3110-00-555-5570 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:
