About
Bellows couplings with inch dimensions are available are available with clamp style hubs with or without keyways in bore sizes ranging from 1/8” to 1-3/4”. Stainless steel hubs and other custom features are available by special order.

Bellows couplings with metric dimensions are available with clamp style hubs with or without keyways in bore sizes ranging from 3mm to 45mm. Stainless steel hubs and other custom features are available by special order.

Bellows couplings with inch to metric bore combinations are available with clamp style hubs with or without keyways in bore dimensions ranging from 1/8" (3mm) to 1-3/4" (45mm). Stainless steel hubs and other custom features are available by special order.

Why Ruland?
- Unique balanced clamp screw design reduces vibration while the cross cut increases clamping ability.
- Ruland uses an epoxy adhesive to join the bellows to the hubs to eliminate the risks involved with welding.
- Multiply stainless steel bellows are used for added strength and a long maintenance-free life.
- The thin walls of the hydro-formed bellows maintain low bearing loads and flexibility while remaining rigid under torsional loads.
- Accommodates parallel misalignment, angular misalignment and axial motion.
- All Ruland bellows couplings are RoHS3 and REACH compliant.
CUSTOM DESIGNS

- Stainless steel bellows couplings
- Clamp to set screw hubs
- Special bore sizes and geometry
- Special lengths, widths and outside diameters
- Different materials, finishes, or colors
- Custom hardware requests
- And Many Others... Please Contact Us for More Information
Products
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BC10-1/4"-3MM-A$120.04 As low as $81.85Ruland BC10-1/4"-3MM-A, 1/4" x 3mm Bellows Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
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BC10-1/4"-4MM-A$120.04 As low as $81.85Ruland BC10-1/4"-4MM-A, 1/4" x 4mm Bellows Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
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BC10-1/4"-5MM-A$120.04 As low as $81.85Ruland BC10-1/4"-5MM-A, 1/4" x 5mm Bellows Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
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BC10-1/4"-6MM-A$120.04 As low as $81.85Ruland BC10-1/4"-6MM-A, 1/4" x 6mm Bellows Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
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BC10-1/8"-3MM-A$120.04 As low as $81.85Ruland BC10-1/8"-3MM-A, 1/8" x 3mm Bellows Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
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BC10-2-2-A$120.04 As low as $81.85Ruland BC10-2-2-A, 1/8" x 1/8" Bellows Coupling, Aluminum, Clamp Style, 0.590" OD, 1.076" Length
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BC10-3-2-A$120.04 As low as $81.85Ruland BC10-3-2-A, 3/16" x 1/8" Bellows Coupling, Aluminum, Clamp Style, 0.590" OD, 1.076" Length
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BC10-3-3-A$120.04 As low as $81.85Ruland BC10-3-3-A, 3/16" x 3/16" Bellows Coupling, Aluminum, Clamp Style, 0.590" OD, 1.076" Length
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BC10-3/16"-3MM-A$120.04 As low as $81.85Ruland BC10-3/16"-3MM-A, 3/16" x 3mm Bellows Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
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BC10-3/16"-4MM-A$120.04 As low as $81.85Ruland BC10-3/16"-4MM-A, 3/16" x 4mm Bellows Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
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BC10-4-2-A$120.04 As low as $81.85Ruland BC10-4-2-A, 1/4" x 1/8" Bellows Coupling, Aluminum, Clamp Style, 0.590" OD, 1.076" Length
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BC10-4-3-A$120.04 As low as $81.85Ruland BC10-4-3-A, 1/4" x 3/16" Bellows Coupling, Aluminum, Clamp Style, 0.590" OD, 1.076" Length
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BC10-4-4-A$120.04 As low as $81.85Ruland BC10-4-4-A, 1/4" x 1/4" Bellows Coupling, Aluminum, Clamp Style, 0.590" OD, 1.076" Length
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BC10-4MM-1/8"-A$120.04 As low as $81.85Ruland BC10-4MM-1/8"-A, 4mm x 1/8" Bellows Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
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BC10-5MM-1/8"-A$120.04 As low as $81.85Ruland BC10-5MM-1/8"-A, 5mm x 1/8" Bellows Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
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BC10-5MM-3/16"-A$120.04 As low as $81.85Ruland BC10-5MM-3/16"-A, 5mm x 3/16" Bellows Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
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BC10-6MM-1/8"-A$120.04 As low as $81.85Ruland BC10-6MM-1/8"-A, 6mm x 1/8" Bellows Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
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BC10-6MM-3/16"-A$120.04 As low as $81.85Ruland BC10-6MM-3/16"-A, 6mm x 3/16" Bellows Coupling, Aluminum, Clamp Style, 0.590" (15.0mm) OD, 1.076" (27.3mm) Length
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BC12-1/4"-4MM-A$112.57 As low as $76.75Ruland BC12-1/4"-4MM-A, 1/4" x 4mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
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BC12-1/4"-5MM-A$112.57 As low as $76.75Ruland BC12-1/4"-5MM-A, 1/4" x 5mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
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BC12-1/4"-6MM-A$112.57 As low as $76.75Ruland BC12-1/4"-6MM-A, 1/4" x 6mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
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BC12-3-3-A$112.57 As low as $76.75Ruland BC12-3-3-A, 3/16" x 3/16" Bellows Coupling, Aluminum, Clamp Style, 0.750" OD, 1.303" Length
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BC12-3/16"-4MM-A$112.57 As low as $76.75Ruland BC12-3/16"-4MM-A, 3/16" x 4mm Bellows Coupling, Aluminum, Clamp Style, 0.750" (19.1mm) OD, 1.303" (33.1mm) Length
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BC12-4-3-A$112.57 As low as $76.75Ruland BC12-4-3-A, 1/4" x 3/16" Bellows Coupling, Aluminum, Clamp Style, 0.750" OD, 1.303" Length