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Product Specifications:
| Item | Shaft Collar |
| Bore Dia. | 2 1/8" |
| Bore Tolerance | 0.0005" to 0.002" |
| Bore Type | Round Keyed |
| Clearance Dia. | 3 1/2" |
| Clearance Diameter | 3.5" |
| Collar Construction | 2-Piece |
| Collar Material | Carbon Steel |
| Collar Material Finish | Black Oxide |
| Collar Material Grade | 1215 |
| Collar Outside Diameter | 3 1/4" |
| Collar Width | 3/4" |
| Construction | Two Piece |
| For Shaft Dia. | 2 1/8" |
| For Shaft Diameter | 2 1/8" |
| Included Screws | (2) Clamp Screw |
| Keyway Depth | 1/4" |
| Keyway Width | 1/2" |
| Max. Operating Temp. | 350°F |
| Min. Operating Temp. | -40°F |
| Outside Dia. | 3 1/4" |
| Resistance Properties | Corrosion Resistant |
| Screw Location From Center | 1.38" |
| Screw Material | Alloy Steel |
| Screw Material Finish | Black Oxide |
| Screw Seating Torque | 325 lbs.-in. |
| Screw Thread Size | 5/16"-24 |
| Shaft Locking Type | Clamp On |
| Shaft Tolerance | -0.0005" to 0" |
| System Of Measurement | Imperial |
| Width Tolerance | -0.01" to +0.003" |
Shipping Info:
| Ship weight (kg) | 0.4 |
| Ship height (cm) | 2.36 |
| Ship length (cm) | 3.33 |
| Ship width (cm) | 3.33 |
| Country of Origin | US |
Product Variants
| Product | Model | Outside Dia. | Collar Material | Bore Dia. | Screw Material | Shaft Tolerance | Bore Tolerance | Included Screws | Screw Material Finish | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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SPK-10-A | 1.312" | Aluminum | - | Alloy Steel | -0.0005" to 0" | +0.0005" to +0.002" | (2) Hex Socket Cap Screw | Black Oxide | €51.15 | |
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SPK-10-F | 1.312" | Carbon Steel | - | Alloy Steel | -0.0005" to 0" | +0.0005" to +0.002" | (2) Hex Socket Cap Screw | Black Oxide | €45.68 | |
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SPK-10-SS | 1.312" | Stainless Steel | 5/8" | Stainless Steel | -0.0005" to 0" | +0.0005" to +0.002" | (2) Hex Socket Cap Screw | Bright | €85.53 | |
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SPK-12-A | 1 1/2" | Aluminum | 3/4" | Alloy Steel | -0.0005" to 0" | +0.0005" to +0.002" | (2) Hex Socket Cap Screw | Black Oxide | €53.32 | |
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SPK-12-F | 1 1/2" | Carbon Steel | 3/4" | Alloy Steel | -0.0005" to 0" | +0.0005" to +0.002" | (2) Hex Socket Cap Screw | Black Oxide | €48.82 | |
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SPK-12-SS | 1 1/2" | Stainless Steel | 3/4" | Stainless Steel | -0.0005" to 0" | +0.0005" to +0.002" | (2) Hex Socket Cap Screw | Bright | €90.05 | |
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SPK-16-A | 1 3/4" | Aluminum | 1" | - | -0.0005" to 0" | +0.0005" to +0.002" | (2) Hex Socket Cap Screw | Black Oxide | €58.22 |
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Contact us
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RULAND MANUFACTURING SPK-34-F 2 1/8 Inch Two-Piece Shaft Collar, Black Oxide Steel, Clamp Style with Keyway, 3 1/4 Inch OD, 0.750 Inch Wd.
€113.61 /unit



