Specification
Where to buy| Item | Value |
|---|---|
| Type | Rod end bearing, external thread |
| Material | Anti-friction, double row |
| Status | Check the current issue of the standard before design use. |
Dimensions by size
| Dimension, in | -2 | -4 | -6 | -7 | -8 | -9 |
|---|---|---|---|---|---|---|
| A — see drawing (± .031) | 1.375 | 1.375 | 1.812 | 1.563 | 1.875 | 1.875 |
| B — bore (+.0000 / -.0003) | .1900 | .1900 | .1900 | .1900 | .2500 | .2500 |
| C — see drawing (± .031) | .750 | .750 | .938 | 1.00 | 1.125 | 1.125 |
| D — see drawing (± .010) | .781 | .781 | .781 | .781 | .938 | .938 |
| E — nominal radius | .422 | .390 | .562 | .344 | .469 | .469 |
| H — see drawing (± .010) | .328 | .328 | .438 | .328 | .438 | .438 |
| N — see drawing (+.015 / -.000) | .005 | .005 | .005 | .005 | .005 | .005 |
| O — min. diameter | .276 | .276 | .307 | .276 | .340 | .340 |
| T — thread (UNJF-3) | .1900-32RH | .3750-24RH | .2500-28RH | .2500-28RH | .3750-24RH | .3750-24LH |
| W — see drawing (+.000 / -.005) | .437 | .437 | .500 | .437 | .593 | .593 |
Dimensions in inches, loads in pounds, as tabulated; tolerances in the dimension names.
Part numbers
Dash numbers of the standard, each with its own link.
Part number
What each code means
| Part | Meaning |
|---|---|
| Format | MS21151-<dash> |
| Example | MS21151-2 — dash 2 |
Notes from the standard
- C after the dash number indicates a key slot.
- Bore size nominal: #10 or 1/4 as listed.
Where to buy
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Distributors coming soon.
Sources
- MS21151 — Bearing, Double Row, Rod End, External Thread, Self-Aligning, Anti-Friction — nominal sizes and part numbers.
Educational reference only. not approved data. Always consult the applicable SRM, AMM, or AC 43.13-1B and your certifying authority.