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MS21151-8C
Bearing; Key Slot
Description
Bearing; Key Slot
Specifications
| Alternate Part Number | REP4M6-4FS464 |
|---|---|
| Bore Diameter | 0.2497 inches minimum and 0.2500 inches maximum |
| Dimension A | 1.875 in |
| Dimension A Tolerance | ±0.031 in |
| Dimension B | 0.2500 in |
| Dimension B Tolerance | +0.0000 in |
| Dimension C | 1.125 in |
| Dimension C Tolerance | ±0.031 in |
| Dimension D | 0.938 in |
| Dimension D Tolerance | ±0.010 in |
| Dimension H | 0.438 in |
| Dimension H Tolerance | ±0.010 in |
| Dimension N | 0.005 in |
| Dimension N Tolerance | -0.000 in |
| Dimension W | 0.593 in |
| Dimension W Tolerance | -0.005 in |
| Industry Standards/Certification | MS21151 |
| Key Slot | Yes |
| Material | Plastic |
| Material Specification | Ams 3652 assn std single material response seal, Mil-s-6758 mil spec single material response outer ring, Mil-s-6758 mil spec single material response rod end body, Mil-s-7420 mil spec single material response ball, Mil-s-7420 mil spec single material response inner ring |
| Minimum Diameter O | 0.340 in |
| NIIN | 01-006-4014 |
| NSN | 3110-01-006-4014 |
| Nominal Bore Size | 1/4 in |
| Nominal Radius E | 0.469 in |
| Overall Length | 2.3440 |
| Shank Diameter | 0.4280 inches minimum and 0.4480 inches maximum |
| Shank Style | Externally threaded |
| Special Features | Nas513 keyway,filled with 80 pct of specified lubricant |
| Style Designator | Double row, staggered, ball |
| Surface Treatment | Cadmium all external/exposed metal surfaces |
| Surface Treatment Specification | Qq-p-416,ty 1,cl 2 fed spec single treatment response all external/exposed metal surfaces |
| Thread Class | 3a |
| Thread Direction | Right-hand |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 0.375 |
| Thread T UNJF-31 | 0.3750-24RH |
| Weight | 0.115 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21151-8C. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error