CRSB-20
View detailed technical data, stock status, and sourcing information for: CRSB-20
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A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.
2.3125 inches nominal overall length, 0.6250 inches minimum thread length, 1.2490 inches minimum and 1.2500 inches maximum overall outside diameter, 3a thread class, right-hand thread direction
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.6250 inches minimum
- Overall Length
- 2.3125 inches nominal
- Overall Outside Diameter
- 1.2490 inches minimum and 1.2500 inches maximum
- Stud Diameter
- 0.5000 inches minimum and 0.5010 inches maximum
- Outer Ring Width
- 0.7450 inches minimum and 0.7500 inches maximum
- Stud Length
- 1.2500 inches nominal
- Seal Quantity
- 2
- Bearing Seal Type
- contact
- Thread Quantity Per Inch
- 20
- Nominal Thread Size
- 0.500 inches
- Special Features
- hexagonal wrench socket in stud head 0.2500 wrench size;exposed surfaces as mounted color black
- Lubrication Material
- lubricant
- Material
- plastic polyamide (nylon) seal
- Material
- resin synthetic washer
- Material
- steel inner ring
- Material
- steel outer ring
- Material
- steel roller
- Material
- steel stud
- Surface Treatment
- oxide exposed surfaces as mounted
- Style Designator
- cam follower
- Thread Series Designator
- unf
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 |
|---|---|
| CF-1 1/4SB | Needle Bearing Cam Follower |
| CF-1.25-SB | Needle Bearing Cam Follower |
| CR-1 1/4-XB-172 | Needle Bearing Cam Follower |
| CRSB-20 | Needle Bearing Cam Follower |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 3110-01-301-7893?
Does the NSN 3110-01-301-7893 have a Schedule B code assigned?
Does NSN 3110-01-301-7893 require demilitarization?
Does NSN 3110-01-301-7893 contain precious materials?
Does NSN 3110-01-301-7893 contain hazardous materials?
When the NSN 3110-01-301-7893 was assigned to the Federal Catalog?
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