برینگ های استوانه ای یک طرفه
برينگ‌هاي استوانه‌اي يك رديفه ساچمه در طرح‌هاي گوناگوني توليد مي‌شود كه از نظر ترتيب و نوع لبه‌ها با يكديگر تفاوت دارند. فقسه و رول‌ها (ساچمه‌هاي استوانه‌اي شكل) حائل بين لبه‌هاي كامل يكي از دو رينگ داخلي و يا بيروني يك برينگ قرار گرفته‌اند.
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