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
www.staffordmfg.com
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
www.zero-max.com
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
www.rw-america.com
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
www.ruland.com
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
www.ringfeder.com
Circle 155