Basic type High precision type w i !2 q !9 !1 !4 @0 !3 e r y !6 u !5 !6 t o !8 !0 @2 @1 @5 @3 @4 !7 Construction Component Parts No. Description Material Note 1 Body Aluminum alloy Anodized 2 Side plate A Aluminum alloy Anodized 3 Side plate B Aluminum alloy Anodized 4 Worm screw Stainless steel Heat treated + Specially treated 5 Worm wheel Stainless steel Heat treated + Specially treated 6 Bearing cover Aluminum alloy Anodized 7 Table Aluminum alloy 8 Joint Stainless steel 9 Bearing holder Aluminum alloy 10 Bearing retainer Aluminum alloy 11 Pulley A Aluminum alloy 12 Pulley B Aluminum alloy 13 Grommet NBR 14 Motor plate Carbon steel 15 Basic type Deep groove ball bearing . High precision type Special ball bearing 16 Deep groove ball bearing . 17 Deep groove ball bearing . 18 Deep groove ball bearing . 19 Belt . 20 Step motor (Servo/24 VDC) . Component Parts (360° type) No. Description Material Note 21 Proximity dog Stainless steel 22 Sensor holder Carbon steel Chromate treated 23 Sensor holder spacer Aluminum alloy Anodized (High precision type can be used only) 24 Square nut Aluminum alloy 25 Proximity sensor assembly . 7 Series LER Continuous Rotation Specification A