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ServoFit Modular Systems (SMS)

The ServoFit™ SMS (Servo Modular System) line of servo gearheads, compliments the already successful MGS® line of constant speed reducers and the ServoFit™ line of precision planetary gearheads.

The SMS member of The ServoFit™ family was especially designed to fit all your servo needs in applications where the compact size of a planetary gearhead is not needed. With this product expansion, STOBER Drives offers the world's largest variety of servo reducers.

   • 5 year llimited warranty (2 years on bearings, seals, etc.)
   • Standard Delivery 3 days
   • Input RPM up to 4,500
   • Nominal output torque - 109 to 106,000 in. lbs. (12 - 11,900 Nm)
   • Reducer ratios from 4:1 to 381:1
   • Ambient temperature - 0°C to + 40°C (104°F)
   • Noise level - as low as 53 dB(A)
   • Up to 95.5% Efficiency
   • Maintenance free

ServoFit Gearheads Catalog PDF

C Series SMS Gearheads
These versatile gear drives offer you performance, durability, and economy for a wide range of applications. High efficiency helical gearing keeps motor size to a minimum while running almost silently. The C Series also features interchangeable
motor plates to fit any motor, single piece iron housing, precision machined bearing supports, case hardened gears (58-62 Rockwell "C"), low backlash (<20 arc minute), double lip seals, and more.

F Series SMS Gearheads
Compact size and flexibility make these gear drives a popular choice for applications that require high performance,
efficiency, and durability. Series "F" gear drives, like all SMS units, are available with a wide selection of configurations to
match almost any mounting requirement. The F Series also features interchangeable motor plates to fit any motor, single
piece iron housing, precision machined bearing supports, case hardened gears (58-62 Rockwell "C"), low backlash (<11 arc minute, with a reduced backlash of <7 arc minute), double lip seals, and more.

K Series SMS Gearheads
Right angle helical/bevel gear drives offer higher input-to-output efficiencies than conventional worm gear drives. This added efficiency reduces your costs today through smaller gear drive and motor sizing. Tomorrow, you'll benefit through optimum energy savings. SMS helical/bevel gear drives offer consistent, higher efficiencies than single worm drives. The F Series also features interchangeable motor plates to fit any motor, single piece iron housing, precision machined bearing supports, case hardened gears (58-62 Rockwell "C"), low backlash (<20 arc minute), double lip seals, and more.

Contact an ACS Representative for more information.