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RULAND MANUFACTURING OST21-5-A 5/16 Inch Oldham Coupling Hub, Aluminum, Set Screw Style, 1.313 Inch OD, 0.590 Inch Lg.
Item: AF9WURModel: OST21-5-ACross Ref: 30VH97
7 In Stock
1 5/16"
5/16"
Alloy Steel
Ships within 2 days via
10.00% off
€54.13 /unit
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Product Specifications:
| Item | Motion Control Coupling Hub |
| Angular Misalignment | 0.5° |
| Axial Motion | 0.006" |
| Bore Dia. | 0.312" |
| Bore Diameter | 5/16" |
| Bore Tolerance | -0" to +0.001" |
| Bore Type | Round |
| Clearance Dia. | 33.3 mm |
| Compatible Center Element Manufacturer Part No. | OD21/33-AT, OD21/33-NL, OD21/33-PEK |
| Coupling Overall Length | 1.875" |
| Coupling Size | Ost21 |
| Features | Balanced Design |
| Finish | Black Anodized |
| For Misalignment Type | Angular, Axial, Parallel |
| Full Bearing Support Required | Yes |
| Hub Dia. | 1.312" |
| Hub Material | Aluminum |
| Hub Material Finish | Black Anodized |
| Hub Material Grade | Grade 2024 |
| Included Screws | (2) Set Screw |
| Length Through Bore | 0.59" |
| Material | Aluminum |
| Max. Bore Dia. | 0.312" |
| Max. Speed | 4500 RPM |
| Maximum Operating Temperature | 200°F |
| Mechanical Fuse Break | Yes |
| Minimum Operating Temperature | -10°F |
| Number Of Locking Screws | 2 |
| Outside Dia. | 33.3 mm |
| Outside Diameter | 1.313" |
| Over-standard Parallel Misalignment | 0.131" |
| Overall Length | 15 mm |
| Parallel Misalignment | 0.008" |
| Screw Material | Alloy Steel |
| Screw Material Finish | Black Oxide |
| Screw Seating Torque | 19.5 lbs.-in. |
| Screw Thread Size | M4 |
| Screw Type | Set Screw |
| Set Screw Location | 90° Apart |
| Shaft Locking Type | Set Screw |
| Shaft Tolerance | -0.013 mm to 0 mm |
| Style | Oldham Set Screw |
| System Of Measurement | Imperial |
| Zero Backlash | Yes |
Shipping Info:
| Ship weight (kg) | 0.04 |
| Ship height (cm) | 3.56 |
| Ship length (cm) | 4.78 |
| Ship width (cm) | 10.16 |
| HS code | 8483608000 |
| 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 | |
| OST21-6-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 | |
| OST26-8-A | Ost26 | 0.71" | 41.3 mm | - | 2" | 18 mm | 4500 RPM | Aluminum | €70.70 |
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RULAND MANUFACTURING OST21-5-A 5/16 Inch Oldham Coupling Hub, Aluminum, Set Screw Style, 1.313 Inch OD, 0.590 Inch Lg.
€60.15 /unit