MOQ: 50 pcs. Minimum order value USD 1,500; mixed orders and trial quantities welcome.
The SCS35 shaft collar introduces the 2 mm slit gap — a wider opening than all preceding models — which meaningfully changes the installation experience on heavier, larger-diameter shafts. As bore size increases, the force required to spring open a narrow-slit collar during shaft insertion grows proportionally; the 2 mm slit of the SCS35 reduces this insertion force and allows the collar to be slid freely over a 35 mm shaft end without requiring excessive manual effort or a press fixture.
The jump to a 60 mm OD and 15 mm face width maintains the robust wall geometry required for M6 bore closure force. The 10 mm keyway (DIN 6885A 10×8, available to order) takes the series into key territory typically associated with mid-range gearbox shafts and heavy conveyor drive sprockets.
| Parameter | Value | Notes |
|---|---|---|
| Model | SCS35 | Single-split clamp type |
| Bore (d) | 35 mm | Fits Ø35 shafts |
| Outer Diameter (D) | 60 mm | Wall thickness 12.5 mm per side |
| Width (B) | 15 mm | Axial face width |
| Clamping Screw | M6 | Countersunk socket-head cap screw |
| Slit Width (W) | 2 mm | Opening gap for shaft insertion |
| Keyway (K) | 10 | Standard; custom keyway on request |
| Material | Aluminium alloy | ~2.7 g/cm³, corrosion resistant |
🛠 2mm Slit: Fast, Tool-Free Opening
Wider gap vs all previous models — collar springs open by hand on 35mm shaft, no prying or press tool required.
⚙ 10mm DIN 6885A Keyway
Highest keyway width in the M6-screw bracket — pairs with standard 10×8 parallel keys for heavy gearbox and sprocket drives.
📈 SMED-Compatible Repositioning
Complete collar adjustment in under 60 seconds — engineered for automotive and flexible manufacturing changeover requirements.
▲ 60mm OD, 15mm Wide
Largest envelope in the M6-screw bracket — maximum clamping contact area for heavy-production machinery.
In automotive body and trim assembly lines producing multiple variants on a single line, conveyor stop dogs and carriage travel limits must be repositioned during each changeover. The SCS35's 2 mm slit and hex-key adjustment make repositioning fast enough to fall within SMED target times.
Web printing presses and corrugated packaging machines use 35 mm register roll shafts where axial position directly controls print or cut register. The SCS35's repositionable collar allows press operators to fine-tune register mechanically without stopping the line.
Large centrifugal pump impellers on 35 mm shafts require precise axial setting relative to the volute throat to optimise pump efficiency. The SCS35 allows impeller position adjustment without shaft disassembly — critical during commissioning and after impeller replacement.
The 2 mm slit's primary practical advantage is that it allows collar installation without disassembling adjacent components on the shaft. On a fully assembled shaft with bearings and seals in place, a narrow-slit collar can require awkward prying. The SCS35's 2 mm slit opens readily by hand. In flexible manufacturing cells and quick-changeover (SMED) applications, the SCS35 is increasingly specified as the preferred stop collar because repositioning during a changeover requires only one hex key and takes under a minute per collar. Contact EP to discuss lever-actuated quick-release variants.
The slit width has a secondary effect on clamping force — the primary driver is screw diameter and applied torque. At M6 torque, the SCS35 generates adequate bore closure force for its rated load range regardless of the 2 mm vs 1.5 mm slit difference. The wider slit primarily improves installation ease.
DIN 6885A specifies a 10×8 parallel key (10 mm wide, 8 mm high) for a 35 mm shaft. Select key length to match your hub engagement length.
Yes, provided the collar face is referenced to a precision datum surface and the M6 screw is torqued consistently. For repeatability requirements tighter than ±0.1 mm, consider specifying a precision-ground collar face.
Standard aluminium alloy resists atmospheric corrosion well. For coastal or chemical exposure environments, anodised or hard-anodised finishes are recommended.
MOQ 100 pcs | 10mm keyway for heavy drives | Quick-changeover optimised
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