Design:
On one side with a single radial clamping screw ISO 4762. On one side an expanding shaft with tapered clamping element.
Temperature range:
-30 to +120° C (3.6 F to 270)
Backlash:
Absolutely backlash-free.
Brief overloads:
Acceptable up to 1.5 times the value specified.
Service life:
R+W Bellows Coupling BK7 are maintenance-free and have an infinite life, if the technical ratings are not exceeded.
Material:
Bellows are made from flexible, high-grade stainless steel. The hubs are made from aluminium.
Fit tolerance:
On the hub/shaft connection 0.01 to 0.05 mm.
Speeds:
Up to 10,000 rpm, in excess of 10,000 rpm available with a finaly balanced version.
Non-standard application:
Custom designs with varied tolerances, keyways, non-standard material and bellows are available upon request.
Technical Data:
| R+W Coupling Technology | |
|---|---|
| Product Category | Flexible Couplings |
| Product Number | BK7 Series |
| Product Name | Bellows Coupling |
| Coupling Type | Metal Bellows |
| Rated Torque | 133 to 2655 In-lbs (153 to 3061 kg-cm) |
| Rated Speed | 10000 rpm |
| Torsional Stiffness | 2.32 to 54.08 in-lb/deg (4.36 to 102 mN-m/arcmin) |
| Units | Metric Design |
