| Item | Motion Control Coupling |
| Shaft Locking Type - Couplings | 1 Piece Clamp |
| System of Measurement | Inch |
| Bore Dia. | 3/8 in x 5/16 in |
| Material - Couplings | Aluminum |
| Outside Dia. | 1.313 in |
| Overall Length | 1.7 in |
| Finish | Black Anodized |
| Max. Temp. Range (F) | 200 Degrees |
| Item - Motion Control Couplings | Motion Control Coupling |
| Rated Torque | 120 in-lb |
| Screw Size | M3 |
| Torsional Stiffness (Deg./In.-Lbs.) | 400 |
| Screw Type | Cap Screw |
| Material | Aluminum |
| Min. Bore (In.) | 0.313 in |
| Overall Length (In.) | 1.623 |
| Max. Axial Misalignment (In.) | +/-0.016 |
| Style | Bellows Clamp |
| Size | BC21 |
| Max. Bore (In.) | 0.375 in |
| Screw Size (mm) | M3 |
| Max. Temp. | 200 Degrees F |
| Outside Dia. (In.) | 1.313 |
| Max. RPM | 10,000 RPM |
| Outside Dia. (mm) | 33.3 |
| Max. Angular Misalignment | 1.5 Degrees |
| Length through Bore (In.) | 0.811 |
| Length through Bore (mm) | 20.5 |
| Torque (In.-Lbs.) | 120 |
| Overall Length (mm) | 41.00 |
| Clearance Dia. (In.) | 1.313 in |
| Clearance Dia. (mm) | 33.3 |
| Max. Parallel Misalignment (In.) | 0.006 in |
| Length through Bore | 0.811 in |
| Application | Encoders, Stepper / Servo |
| Standards | Conflict Minerals Compliant, DIN 912 12.9 Screws, ISO 9001:2015, REACH Compliant, RoHS3 Compliant |
| Bore Tolerance | +0.001 in / -0.000 in |
| Screw Material | Alloy Steel |
| Parallel Misalignment | 0.006 in |
| Hub Material | Aluminum |
| Bore Diameter 1 | 3/8 in |
| Number of Locking Screws | 2 |
| Features | Balanced Design for Reduced Vibration, Lightweight and has Low Inertia, Zero Backlash |
| Axial Motion | 0.016 in |
| Bellows Material Finish | None |
| Hub Material Finish | Sulfuric Anodized MIL-A-8625 Type II, Class 2 and ASTM B580 Type B Black Anodize |
| Minimum Bore Diameter | 5/16 in |
| Maximum Bore Diameter | 3/8 in |
| Maximum Speed | 10,000 RPM |
| Hub Length | 0.59 in |
| Length Through Bore 1 | 0.8 in |
| Dynamic Torque Reversing | 30 lb-in |
| Maximum Torque | 120 in-lb |
| Zero Backlash | Yes |
| Minimum Operating Temperature | -40 Degrees F |
| Hub Material Grade | 2024 |
| Screw Material Finish | Black Oxide |
| Screw Thread Size | M3 |
| Bellows Material Grade | MIL-A-8625 Type II, Class 2 and ASTM B580 Type B |
| Shaft Tolerance | +0.0000 in / -0.0005 in |
| Angular Misalignment | 1.5 Degrees |
| Full Bearing Support Required | Yes |
| Bore Type | Round |
| Bellows Material | Stainless Steel |
| Torsional Stiffness | 400 in-lb/Deg |
| Shaft Locking Type | Clamp On |
| Coupling Outside Diameter | 1.31 in |
| Fastener Tightening Torque | 18.6 in-lb |
| Moment of Inertia | 0.037385 lb-in sq |
| Length Through Bore 2 | 0.8 in |
| Dynamic Torque Non-Reversing | 60 lb-in |
| Maximum Operating Temperature | 200 Degrees F |
| For Misalignment Type | Angular, Axial, Parallel |
| Clearance Diameter | 1.31 in |
| Included Screws | (2) Hex Socket Cap Screw |
| Different Bore Sizes | Yes |
| Bore Diameter 2 | 5/16 in |
| Country of Origin (subject to change) | United States |
| Package Quantity | 1 |
Coupling, Bellows Clamp, 3/8in.x 5/16in., RULAND, Mfr# BC21-6-5-A
$118.33
Free shipping will be applied on orders over $50
Motion Control Coupling, Bore Diameter 1 3/8 in, Bore Diameter 2 5/16 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 Yes, 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:
$118.33
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