Textile machines, namely, textile machines for manufacturing yarns, twisting frames, spinning frames, air jet spinning frames, two-for-one twisting machines for twisting spun yarn or filament yarn twice for each turn of the spindle, and automatic winding machines for yarn; parts and attachments for textile machines, namely, bobbin carriers, yarn joiners, yarn guides, yarn feed roller assemblies, yarn tensioner assemblies, yarn cutting assemblies, yarn splicers, yarn balloon limiter assemblies, tension pulley assemblies, twisting spindle assemblies, spindle bearing assemblies, magnet case assemblies, snail wire assemblies, drop wire assemblies, cradle assemblies, sliver guides, sliver guide rollers, flyer assemblies, top roller assemblies, bottom rollers, grooved winding drums, friction roller assemblies, nip roller assemblies, false-twisting belts, traverse cams, traverse guides, apron belts, apron belt tensioner, pneumatic twisting members, shaft coupling assemblies, and textile machines parts, namely, bearings