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Product Specifications:
| Item | Shaft Collar |
| Bore Dia. | 0.312" |
| Bore Diameter | 5/16" |
| Bore Tolerance | 0.0005" to 0.002" |
| Bore Type | Round |
| Clearance Dia. | 21/25" |
| Clearance Diameter | 0.84" |
| Collar Construction | 2-Piece |
| Collar Material | Stainless Steel |
| Collar Material Finish | Bright |
| Collar Material Grade | Grade 303 |
| Collar Outside Diameter | 11/16" |
| Collar Width | 9/32" |
| Construction | Two Piece |
| For Shaft Dia. | 0.312" |
| For Shaft Diameter | 5/16" |
| Grade | Grade 303 |
| Included Screws | (2) Clamp Screw |
| Max. Operating Temp. | 350°F |
| Min. Operating Temp. | -40°F |
| Outside Dia. | 0.688" |
| Resistance Properties | Corrosion Resistant |
| Screw Location From Center | 1/4" |
| Screw Material | Stainless Steel |
| Screw Material Finish | Bright |
| Screw Material Grade | Grade 18-8, 300 Series |
| Screw Seating Torque | 8 lbs.-in. |
| Screw Thread Size | #4-40 |
| 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) | 0.01 |
| Ship height (cm) | 1.27 |
| Ship length (cm) | 12.7 |
| Ship width (cm) | 12.7 |
| Country of Origin | US |
Product Variants
| Product | Model | Outside Dia. | Collar Material | Bore Dia. | Shaft Tolerance | Screw Material Finish | Collar Material Finish | For Shaft Dia. | Screw Material | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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SPB-19-A | 2.062" | Aluminum | 1.062" | -0.0005" to 0" | Black Oxide | Bright | 1.062" | Alloy Steel | €49.64 | |
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SPB-17-A | - | Aluminum | 1.062" | -0.0005" to 0" | Black Oxide | Bright | - | Alloy Steel | €46.01 | |
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SPB-17-F | 1 7/8" | Carbon Steel | 1.062" | -0.0005" to 0" | Black Oxide | Black Oxide | 1.062" | Alloy Steel | €36.30 | |
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SPB-19-F | 2.062" | Carbon Steel | 1.062" | -0.0005" to 0" | Black Oxide | Black Oxide | 1.062" | Alloy Steel | €36.82 | |
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SPB-19-SS | 2.062" | Stainless Steel | 1.062" | -0.0005" to 0" | Bright | Bright | 1.062" | Stainless Steel | €102.92 | |
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SPB-17-SS | 1 7/8" | Stainless Steel | 1.062" | -0.0005" to 0" | Bright | Bright | 1.062" | Stainless Steel | €99.60 | |
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SPB-24-A | 2 3/8" | Aluminum | 1 1/2" | -0.0005" to 0" | Black Oxide | Bright | 1 1/2" | Alloy Steel | €64.02 |
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RULAND MANUFACTURING SPB-5-SS 5/16 Inch Balanced Shaft Collar, 303 SS, Two-Piece Clamp Style, 11/16 Inch OD, 0.281 Inch Wd.
€33.27 /unit


