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Motion System Design

Product Spotlight: Shafting & Couplings

Stepped bore couplings

Rigid, clamp-type couplings mate dissimilar shafts and drive components, including inch and metric sizes and smooth or keyed designs.

Features & benefits

  • One, two, and three-piece designs

  • Will not mar shafts

  • Mate shafts from ¼ to 2-in. bore

  • Steel and stainless-steel versions

Stafford Mfg. Corp.
(800) 695-5551
Circle 151

Servomotor couplings

CD couplings with aluminum hubs have low weight and inertia.

Features & benefits

  • Single-flex models with clamp-style hubs with or without keyways

  • Torque capacities from 40 to 1,436 Nm

  • Speed ratings from 4,400 to 17,000 rpm

  • High torsional stiffness and dynamic load capacity

Zero-Max Inc.
(800) 533-1731
Circle 152

Bellows couplings

BK1 series of precision flexible couplings feature standard piloted bolt-circle interfaces that can be customized to the equipment they connect.

Features & benefits

  • Absorb misalignment between measurement device and other components

  • Low moment of inertia and high torsional stiffness

  • Sizes to match torques from 15 to 10,000 Nm

  • Balanced for operation to 60,000 rpm

R+W America LP
(630) 521-9911
Circle 153

Oldham couplings

Oldham couplings accommodate large parallel misalignment and feature a three-piece design comprised of two hubs and a floating center disc.

Features & benefits

  • Seven sizes of set screw or clamp style hubs with bores from to 2 in.

  • Hubs anodized for lubricity and increased life

  • Center disc comes in acetal for high torsional stiffness or nylon for shock absorption and vibration dampening

  • Coupling disengages if replaceable center disc breaks

Ruland Mfg. Co. Inc.
(508) 485-1000
Circle 154

Flywheel couplings

Arcusaflex flywheel couplings are flexible and provide a torsional soft connection.

Features & benefits

  • Sizes AC 4.1, 4.9, 5.1, 6.1, 6.5, 13, and 13D

  • Torques from 1,770 to 973,580 lb-in. or 6,500 kW at 1,000 rpm

  • Available in standard rubber and silicone mixture for shear resistance in high temperatures

  • Rubber disc element vulcanized to bolt-on sleeve or taper bushing hubs

Ringfeder Corp.
(800) 245-2580
Circle 155

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