| Item | Motion Control Coupling |
| Shaft Locking Type - Couplings | 1 Piece Clamp |
| System of Measurement | Inch |
| Bore Dia. | 3/8 in x 3/8 in |
| Material - Couplings | Aluminum |
| Outside Dia. | 1.313 in |
| Overall Length | 1.7 in |
| Finish | Black Anodized |
| Torque (In.-Lbs.) | 120 |
| Material | Aluminum |
| Torsional Stiffness (Deg./In.-Lbs.) | 400 |
| Item - Motion Control Couplings | Motion Control Coupling |
| Clearance Dia. (In.) | 1.313 in |
| Max. Axial Misalignment (In.) | +/-0.016 |
| Screw Size | M3 |
| Max. Bore (In.) | 0.375 in |
| Screw Size (mm) | M3 |
| Max. Angular Misalignment | 1.5 Degrees |
| Overall Length (mm) | 41.00 |
| Max. Temp. Range (F) | 200 Degrees |
| Length through Bore (In.) | 0.811 |
| Overall Length (In.) | 1.623 |
| Rated Torque | 120 in-lb |
| Size | BC21 |
| Length through Bore (mm) | 20.5 |
| Length through Bore | 0.811 in |
| Outside Dia. (mm) | 33.3 |
| Style | Bellows Clamp |
| Clearance Dia. (mm) | 33.3 |
| Min. Bore (In.) | 0.375 in |
| Max. RPM | 10,000 RPM |
| Outside Dia. (In.) | 1.313 |
| Max. Parallel Misalignment (In.) | 0.006 in |
| Screw Type | Cap Screw |
| Max. Temp. | 200 Degrees F |
| Application | Encoders, Stepper / Servo |
| Standards | Conflict Minerals Compliant, DIN 912 12.9 Screws, ISO 9001:2015, REACH Compliant, RoHS3 Compliant |
| Screw Material | Alloy Steel |
| Bore Tolerance | +0.001 in / -0.000 in |
| Shaft Tolerance | +0.0000 in / -0.0005 in |
| Torsional Stiffness | 400 in-lb/Deg |
| Number of Locking Screws | 2 |
| Screw Material Finish | Black Oxide |
| Full Bearing Support Required | Yes |
| Maximum Speed | 10,000 RPM |
| Clearance Diameter | 1.31 in |
| Hub Material Grade | 2024 |
| Bore Type | Round |
| Hub Length | 0.59 in |
| Maximum Bore Diameter | 3/8 in |
| Different Bore Sizes | No |
| Bore Diameter 1 | 3/8 in |
| Dynamic Torque Non-Reversing | 60 lb-in |
| For Misalignment Type | Angular, Axial, Parallel |
| Zero Backlash | Yes |
| Minimum Bore Diameter | 3/8 in |
| Angular Misalignment | 1.5 Degrees |
| Fastener Tightening Torque | 18.6 in-lb |
| Minimum Operating Temperature | -40 Degrees F |
| Parallel Misalignment | 0.006 in |
| Coupling Outside Diameter | 1.31 in |
| Included Screws | (2) Hex Socket Cap Screw |
| Length Through Bore 1 | 0.8 in |
| Bellows Material Grade | MIL-A-8625 Type II, Class 2 and ASTM B580 Type B |
| Screw Thread Size | M3 |
| Features | Balanced Design for Reduced Vibration, Lightweight and has Low Inertia, Zero Backlash |
| Maximum Torque | 120 in-lb |
| Axial Motion | 0.016 in |
| Bellows Material | Stainless Steel |
| Shaft Locking Type | Clamp On |
| Length Through Bore 2 | 0.8 in |
| Moment of Inertia | 0.03733 lb-in sq |
| Dynamic Torque Reversing | 30 lb-in |
| Maximum Operating Temperature | 200 Degrees F |
| Hub Material Finish | Sulfuric Anodized MIL-A-8625 Type II, Class 2 and ASTM B580 Type B Black Anodize |
| Bellows Material Finish | None |
| Hub Material | Aluminum |
| Bore Diameter 2 | 3/8 in |
| Country of Origin (subject to change) | United States |
| Package Quantity | 1 |
Coupling, Bellows Clamp, 3/8in.x 3/8in., RULAND, Mfr# BC21-6-6-A
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Motion Control Coupling, Bore Diameter 1 3/8 in, Bore Diameter 2 3/8 in, Coupling Outside Diameter 1.31 in, Maximum Speed 10,000 RPM, Maximum Torque 120 in-lb, Hub Material Aluminum, Overall Length 1.7 in, Shaft Locking Type Clamp On, System of Measurement Inch, Clearance Diameter 1.31 in, Bellows Material Stainless Steel, Different Bore Sizes No, Length Through Bore 1 0.8 in, Length Through Bore 2 0.8 in, Parallel Misalignment 0.006 in, Bore Type Round, Dynamic Torque Non-Reversing 60 lb-in
9999 in stock
Must order in multiples of 1
Subtotal:
$135.99
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