the best way to buy the SMR gear box
Gearbox Coding
Gearbox coding
First three letters: SMR
Fourth letter, unit size: BCD EFG HJ
Fifth and sixth digits, ratio code: 05 13 20
Seventh digit. signifies assembly: O shaft mounted velocity reducer two flange mount
Eighth digit: indicates output hub bore expected: one standard metric bore. 2 alternative metric bore.
Illustration
Size e unit twenty:one nominal gear ratio, shaft mounted with regular metric hub bore (55mm): SMR-E2001
It backstop are demanded, these should be purchase individually. and must specify the output hub rotation. E.g.: SMR-E2001 total with backstop. while in the input shaft side, the output hub’s rotation is in clockwise.
optional Extras
Backstops
A backstop may perhaps be incorporated on applications wherever it can be necessary to avert reversal of rotation. it truly is quickly put in within the reducer, by simply just getting rid of a cover plate
Note: For ratio 5: one gear box, backstop do not recommended.
Flange mounting
SMR case style is this kind of that the reducer might be bolted direct to supporting framework. this flange mounting utilization of the reducer 
could allow designers to omit a bearing or pillow block, nonetheless it does. obviously. do away with the straightforward belt adjustment characteristic characteristic of shaft mount.
Note: Standard SMR gearbox never drill mount screws. when client need to have these kinds mount, please specify while in the buy.
