Flender/Flender Gear Units/Helical gear unit H2
B7 HUT-SS B7 HUTF-IDB 1.5 HPB7 JUTFB B7 JUTF-SS B7 JUTF-IDB 2 HPB5 KUTF5/8B B7 KUTFB B7 KUTF-SS B7 KUTF-IDB

3 HPB9 LUTFB B9 LUTF-SS B9 LUTF-IDB 5 HP B9 MUTFB Other motors available, please see catalog pages 3 to

3. Totally enclosed non-ventilated TF Totally enclosed fan cooled SS Stainless IDB Inverter Duty (1:1 turn down constant torque) B5

5C B7 1TC B9 1TC FLENDER GRAFFENSTADEN bostongear speed reducers -1-BG 5/1ASingle Reduction Numbering System / How to Order Style

Designates reducer or flanged reducer, projecting or hollow output shaft . Designates cast iron flange and base . (Standard on motor flanges 3 HP (1TC) and up and all bases except horizontal (7- . Blank Single reduction reducer with projecting input and output shafts . (No code letter required) . Single reduction reducer with projecting input and BostMount hollow output shaft . (No flange) ( 7- Single reduction reducer with hollow output shaft . (Sizes 7, 7, 7 and . Single reduction flanged reducer (Quill types) with projecting output shaft . HF Single reduction flanged reducer (Quill types) with BostMount hollow output shaft . (Sizes 7- SF Single reduction flanged reducer (Quill types) with hollow output shaft . (Sizes 7, 7, 7 and QC Single reduction flanged reducer (Coupling types) with projecting output shaft . HQC Single reduction flanged reducer (Coupling types) with BostMount hollow output shaft . (Sizes 7- RF Single reduction flanged reducer (Coupling types) with Projecting output shaft . 7 - 7 Size Only BK Designates Cast Iron, White BostKleen paint SBK Designates Cast Iron, Stainless BostKleen paint SSF Stainless Steel Single reduction flanged reducer (Quill types) with projecting output shaft . SSHF Stainless steel single reduction flanged reducer with BostMount hollow output shaft . Size Center distance, rounded off . 7 - 1 .0 7 - 2 .0 7 - 3 .2 7 - 1 .3 7 - 2 .3 7 - 3,7 7 - 1 .5 7 - 2 .6 7 - 5 .1 7 - 1 .7 7 - 3 .0 7 - 6 .0 Base Bas