Circular Posts
Product name | Circular Posts - Both Ends Tapped With Standard Wrench Flat, Standard L Dimension |
Part number | SETS30-300-SC30-M8-N8 |
Features | The dimensions and thread diameter are configurable. And installation or removal of Wrench Flats can be selected. |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
It is suitable as a spacer to install bearings with a certain distance to each other.
Available sizes
■Circular Posts - Both Ends Tapped With Standard Wrench Flat, Standard L Dimension
Material | Surface Treatment |
1018 Carbon Steel | - |
Black Oxide Coating |
Electroless Nickel Plating |
Trivalent Chromate (Black) |
304 Stainless Steel | - |
2017 Aluminum Alloy | Clear Anodize |
■Sizes and Dimensions
Post Diameter. | Overall Length (specified in 1 mm increment) | Tapped | Wrench Groove |
Diameter (coarse) (select individually for each end) | Depth | Opposite Side | Slot Width |
M2.6 | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M16 | M20 | M24 |
φ5 | 15-50 | ○ | ○ | | | | | | | | | | Diameter x 2 | 4 | 8 |
φ6 | 15-50 | | ○ | ○ | | | | | | | | | 5 |
φ8 | 15-150 | | ○ | ○ | ○ | | | | | | | | 7 |
φ10 | 20-350 | | | ○ | ○ | ○ | | | | | | | 8 |
φ12 | 25-400 | | | | ○ | ○ | ○ | | | | | | 10 | 10 |
φ15 | 30-500 | | | | | ○ | ○ | ○ | | | | | 13 |
φ20 | 40-500 | | | | | ○ | ○ | ○ | ○ | | | | 17 |
φ25 | 50-600 | | | | | ○ | ○ | ○ | ○ | ○ | | | 22 |
φ30 | 60-700 | | | | | ○ | ○ | ○ | ○ | ○ | ○ | | 27 | 15 |
φ35 | 75-800 | | | | | | ○ | ○ | ○ | ○ | ○ | ○ | 30 | 15 |
φ40 | 75-900 | | | | | | | ○ | ○ | ○ | ○ | ○ | 36 | 20 |
φ50 | 75-1000 | | | | | | | | ○ | ○ | ○ | ○ | 41 | 20 |
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Accuracy Info
■Accuracy of Post Diameter
Material | Surface Treatment | Tolerance |
1018 Carbon Steel | - | 0/-0.1 |
Black Oxide Coating |
Electroless Nickel Plating |
Trivalent Chromate(Black) | ±0.05 |
304 Stainless Steel | - | 0/-0.1 |
2017 Aluminum Alloy | Clear Anodize |
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MechaLock
Product name | Keyless Bushings - Compact |
Part number | MLRS30 |
Features | A hub (such as pulleys, gears and sprockets) can be easily connected with a shaft by screwing. |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
It is suitable for connecting a pipe member for which key groove is not available to a sprocket.
Risk info.
Deformation of pipe due to over-tightening bolt.
Available sizes
■Keyless Bushings - Compact
Body material | Surface Treatment |
1045 Carbon Steel | - |
1045 Carbon Steel | Electroless Nickel Plating |
304 Stainless Steel | - |
■Sizes and Dimensions
Shaft Hole Dia. | Outer Ring O.D. (pilot) | Inner Ring O.D. (shoulder) | Shoulder Height | Pilot Length. |
φ18 | φ26 | φ46 | 16 | 14 |
φ19 | φ27 | φ47 |
φ20 | φ28 | φ48 |
φ22 | φ32 | φ52 | 16 |
φ24 | φ34 | φ54 |
φ25 |
φ28 | φ39 | φ59 | 20 |
φ30 | φ41 | φ61 |
φ32 | φ43 | φ63 |
φ35 | φ47 | φ67 | 22 |
φ38 | φ50 | φ70 |
φ40 | φ53 | φ73 |
φ42 | φ55 | φ75 |
φ45 | φ59 | φ84 | 20.5 | 30 |
φ48 | φ62 | φ87 |
φ50 | φ65 | φ90 |
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Accuracy Info
■Recommended Tolerance of Applicable Shaft and Hub
| Tolerance | Finish Surface Roughness |
Shaft O.D. | h7(g6) | Ra1.6 or less |
Hub I.D. | H7 | Ra3.2 or less |
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Performance info.
■MechaLock Compact Type (With Centering Function)
Shaft Hole Dia. | 1045 Carbon Steel/- | 1045 Carbon Steel/Electroless Nickel Plating | 304 Stainless Steel /- |
Max. Allowable Torque (N・m) | Allowable Thrust Load (kN) | Screw Tightening Torque (N・m) | Max. Allowable Torque (N・m) | Allowable Thrust Load (kN) | Screw Tightening Torque (N・m) | Max. Allowable Torque (N・m) | Allowable Thrust Load (kN) | Screw Tightening Torque (N・m) |
φ18 | 210 | 23.2 | 14 | 210 | 23.2 | 14 | 68 | 7.4 | 9.6 |
φ19 | 221 | 221 | 71 |
φ20 | 233 | 233 | 75 |
φ22 | 256 | 256 | 83 |
φ24 | 279 | 279 | 90 |
φ25 | 291 | 291 | 94 |
φ28 | 488 | 34.8 | 488 | 34.8 | 157 | 11.1 |
φ30 | 523 | 523 | 168 |
φ32 | 558 | 558 | 180 |
φ35 | 813 | 46.4 | 813 | 46.4 | 262 | 14.9 |
φ38 | 883 | 883 | 284 |
φ40 | 929 | 929 | 299 |
φ42 | 976 | 976 | 314 |
φ45 | 1910 | 84.5 | 34 | 1910 | 84.5 | 34 | 620 | 27.5 | 23.6 |
φ48 | 2040 | 2040 | 670 |
φ50 | 2120 | 2120 | 690 |
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IDEA NOTE Uniform cleaning
The rotary movement of nozzles allow for uniform cleaning of the part.