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RULAND MANUFACTURING OST21-8-SS 1/2 Inch Oldham Coupling Hub, 303 SS, Set Screw Style, 1.313 Inch OD, 0.590 Inch Lg.
Item: DK6RURModel: OST21-8-SS
7 In Stock
1 5/16"
1/2"
Stainless Steel
Ships within 2 days via
€91.37 /unit
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Product Specifications:
| Item | Oldham Coupling Hub |
| Angular Misalignment | 0.5° |
| Axial Motion | 0.006" |
| B1 Maximum Shaft Penetration | 0.59" |
| Balanced Design | Yes |
| Bore (b1) | 1/2" |
| Bore Tolerance | -0" to +0.001" |
| Finish | Bright |
| Finish Specification | Bright, No Plating |
| Forged Set Screw | M4 |
| Full Bearing Support Required | Yes |
| Hex Wrench Size | 2 mm |
| Hub Width (lh) | 0.59" |
| Length (l) | 1.875" |
| Material Specification | Type 303 Austenitic, Non-Magnetic Bar |
| Max Parallel Misalignment | 0.131" |
| Max. Speed | 4500 RPM |
| Mechanical Fuse | Yes |
| Moment Of Inertia | 0.0547 lbs.-in. |
| Number Of Screws | 2 EA 90° Apart |
| Outer Diameter | 1.313" |
| Parallel Misalignment | 0.008" |
| Recommended Inserts | OD21/33-AT |
| Recommended Shaft Tolerance | -0.0005" to 0" |
| Screw Finish | Bright |
| Screw Material | Stainless Steel |
| Seating Torque | 1.76 N-m |
| Temperature | Acetal Disk -10°F to 150°F (-23°C to 65°) |
| Torque Specifications | Torque Ratings Vary With Insert Selection |
| Zero-backlash | Yes |
Shipping Info:
| Ship weight (kg) | 0.1 |
| Ship height (cm) | 3.34 |
| Ship length (cm) | 4.76 |
| Ship width (cm) | 3.34 |
| Country of Origin | US |
Product Variants
| Model | Coupling Size | Length Through Bore | Outside Dia. | Bore Dia. | Coupling Overall Length | Overall Length | Max. Speed | Hub Material | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| OST21-10-A | Ost21 | 0.59" | 33.3 mm | 5/8" | 1.875" | 15 mm | 4500 RPM | Aluminum | €60.15 | |
| OST21-5-A | Ost21 | 0.59" | 33.3 mm | 0.312" | 1.875" | 15 mm | 4500 RPM | Aluminum | €60.15 | |
| OST21-6-A | Ost21 | 0.59" | 33.3 mm | 3/8" | 1.875" | 15 mm | 4500 RPM | Aluminum | €60.15 | |
| OST21-8-A | Ost21 | 0.59" | 33.3 mm | 1/2" | 1.875" | 15 mm | 4500 RPM | Aluminum | €60.15 | |
| OST26-10-A | Ost26 | 0.71" | 41.3 mm | 5/8" | 2" | 18 mm | 4500 RPM | Aluminum | €72.89 | |
| OST26-12-A | Ost26 | 0.71" | 41.3 mm | 3/4" | 2" | 18 mm | 4500 RPM | Aluminum | €72.89 | |
| OST26-6-A | Ost26 | 0.71" | 41.3 mm | 3/8" | 2" | 18 mm | 4500 RPM | Aluminum | €72.89 |
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RULAND MANUFACTURING OST21-8-SS 1/2 Inch Oldham Coupling Hub, 303 SS, Set Screw Style, 1.313 Inch OD, 0.590 Inch Lg.
€91.37 /unit