Connecting Shaft
(Line Shaft)
Connecting shaft is a compact solution which enables to transmit
motion accurately, especially when there is a longer distance
between shafts of an application.
SJCL Series
Jaw Type Connecting Shaft 
Structure and Material
| Structure | Material | Surface Treatment |
|---|---|---|
| Hub | High Strength Aluminum Alloy | Anodizing |
| Sleeve | Hytrel®(RD/GR) TPU®(DG/BL) |
– |
| Hollow Shaft | High Strength Aluminum Alloy | Anodizing |
| Screw | SCM435 | Black Oxide |
Product Features
- High durability (the best feature of SJC series coupling)
- Precise concentricity/straightness
- Minimized moment of inertia by aluminum alloy material
- Absorption of Impact/Vibration
- Easier installation and simpler maintenance
Max. RPM based on Length
Parts with Alternative Material Options
- Sung-il Machinery provides alternative material options for Coupling parts for customers who are worried about corrosion on Black oxide finish. Please see the below table for more details.
| Mark | Material | Surface Treatment |
|---|---|---|
| No mark | Steel | Black Oxide |
| SUS/ASS | Stainless Steel | – |
How to Order
① Clamping Methods
- C
- General Side-clamp
- CW
- Side-clamp Hub Split
② Sleeve Type (Shore Hardness)
- RD
- Shore 63D
- GR
- Shore 98A
- BL
- TPU, Sh87A
- DG
- TPU, Sh57D
③ Center-Through
- No mark
- Center-Through (Standard)
- TH
- Please mark “TH” only for SJCBL-30C(CW) size when you need a center-through sleeve.
④ L (Total Length)
⑤ Side-clamp Hub Split
- No mark
- Not Split
- W
- Split
⑥ Keyway
- No mark
- No Keyway
- K(b size)
- Keyway processed according to the indicated b size.