the best way to purchase the SMR gear box
Gearbox Coding
Gearbox coding
To start with three letters: SMR
Fourth letter, unit dimension: BCD EFG HJ
Fifth and sixth digits, ratio code: 05 13 20
Seventh digit. signifies assembly: O shaft mounted speed reducer 2 flange mount
Eighth digit: indicates output hub bore required: 1 normal metric bore. 2 choice metric bore.
Instance
Dimension e unit twenty:one nominal gear ratio, shaft mounted with conventional metric hub bore (55mm): SMR-E2001
It backstop are needed, these ought to be purchase individually. and will have to specify the output hub rotation. E.g.: SMR-E2001 total with backstop. during the input shaft side, the output hub’s rotation is in clockwise.
optional Extras
Backstops
A backstop may possibly be integrated on applications in which it truly is important to prevent reversal of rotation. it is actually swiftly set up inside the reducer, by just removing a cover plate
Note: For ratio 5: 1 gear box, 
backstop don’t encouraged.
Flange mounting
SMR case design is such that the reducer could be bolted direct to supporting framework. this flange mounting use of the reducer may well permit designers to omit a bearing or pillow block, nonetheless it does. naturally. remove the simple belt adjustment characteristic characteristic of shaft mount.
Note: Common SMR gearbox usually do not drill mount screws. when buyer will need these sorts mount, please specify inside the order.