POSB Inch Rod End Bearing is a documented maintenance required series for industrial linkage or pivot applications. External inch/UNF threaded shank; bronze-lined spherical contact. Use the main image for identification and the full product description for model-by-model dimensions and load data.
MOQ: 50 pcs. Minimum order value USD 1,500; mixed orders and trial quantities welcome.
POSB combines an inch-series male thread with a greasable bronze-lined rod-end eye. It is useful when the surrounding machine was designed around UNF hardware and changing to metric threads would create more work than the bearing replacement itself. The catalogue family spans POSB3 to POSB16.
| Model | Bore d (mm) | Male Thread | Cd (catalogue) | Cs (catalogue) | Weight (g) |
|---|---|---|---|---|---|
| POSB3 | 4.826 | 10-32UNF | 780 | 2090 | 14 |
| POSB4 | 6.35 | 1/4-28UNF | 1030 | 3040 | 23 |
| POSB5 | 7.938 | 5/16-24UNF | 1530 | 3800 | 36 |
| POSB6 | 9.525 | 3/8-24UNF | 2080 | 4980 | 54 |
| POSB7 | 11.11 | 7/16-20UNF | 2520 | 6020 | 77 |
| POSB8 | 12.7 | 1/2-20UNF | 3330 | 8370 | 127 |
| POSB10 | 15.88 | 5/8-18UNF | 4500 | 9050 | 186 |
| POSB12 | 19.05 | 3/4-16UNF | 6410 | 12700 | 295 |
| POSB16 | 25.4 | 1 1/4-12UNF | 13300 | 19500 | 1129 |
Thread pitch must be verified, not guessed from outside diameter. Measure the bore and compare the full drawing dimensions, especially center height and shank length, because those values set the linkage’s neutral position.
Relubricate on a schedule appropriate to contamination and movement rather than waiting for noise or looseness. Keep the grease nipple protected from impact.
PHSB is the female-thread inch companion; POS covers metric male threads; SA T/K offers a maintenance-free metric male-thread arrangement.
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