Dear sir, We are manufacer conveyor idler roller bearing houshing and seals plase send me pipe dia and shaft dia to enable us to send quotation specifications 1 roller diameter 60 to 194mm 2 bearing size 6204/6205/6206/6305/6306/6307/6308/6310zz 3 material crc plate 2. 8 mm to 5 mm thickness 4 diameter 50, 219mm 5 shell thickness 2. 5, 5mm or as required 6 shaft diameter 20mm, 50mm or as required features cnc machining ensures both 1 proper fit of shell ends to bearing housing 2 excellent grip and positioning of bearing inside the bearing housing 3 tolerance, 0. 00,, 0. 027 labyrinth seal sets complete collection of labyrinth seal has 5 parts. 1 sealing ring material nylon 2 female labyrinth sealing ring/inner seal material nylon 3 male labyrinth sealing ring/outer seal material nylon 4 metal cap/dust cap material steel 5 protective cap/rain cap material nylon