HIWIN HG/QH
HIWIN HG/QH series linear ball guideways, with HGH/HGL/HGW blocks in several load classes.
The HG/QH series is HIWIN's standard range of linear ball guideways, in an X arrangement, suitable for unmachined mounting surfaces. The block is chosen by its fixing form: HGH/QHH (tall, top mounting), HGL (low, top mounting) and HGW/QHW (flanged, top or bottom mounting), in sizes from 15 to 45 mm. The full code combines the series, block type, size and load/preload class (for example HGW25CC); extra letters added by the customer may also appear, as in the code HGW25CCH, in which case we check the exact variant in the HIWIN documentation before quoting.
We supply HG/QH series blocks made to order from the European Union, in 1–4 weeks, with no public price. For a quotation, the customer sends the full code from the block (or, if the label is no longer legible, the size, flange type and estimated load class) and the quantity required.
Models and codes
| Code | Note |
|---|---|
| HGW25SC | flanged block, size 25, standard load class |
| HGW25CC | flanged block, size 25, medium load class |
| QHW25CC | QH-type flanged block, size 25, medium class |
| HGW25HC | flanged block, size 25, high load class |
| QHW25HC | QH-type flanged block, size 25, high class |
Key specifications
| Block height (H), size 25 | 36 mm |
|---|---|
| Block width (W), size 25 | 70 mm |
| Total mounting width (B), size 25 | 57 mm |
| Fixing screw, size 25 | M8 |
| Dynamic load (C), size 25, across variants | 26.930–50.610 N |
| Static load (C0), size 25, across variants | 36.560–69.070 N |
| Range of sizes available in the series | 15–45 mm |
The HG/QH series is part of the current HIWIN range; we are not aware of any announcement of withdrawal from production.
Frequently asked questions
What information is needed for a quotation on an HG/QH series block?
The full code from the block (flange type, size and load class, for example HGW25CC) and the quantity. If the label is no longer legible, the size and the required fixing type are enough, and we will confirm the suitable class from the HIWIN documentation.
What do the final letters in the code, such as CC or HC, mean?
In the HIWIN tables for size 25, the classes SC, CC and HC appear, with different dynamic and static loads. If a code received from a customer has extra letters, such as HGW25CCH, we check the exact variant in the manufacturer's documentation before confirming the quotation.
The meaning of each extra letter in an extended code received from the customer is established on the full code, in the HIWIN documentation, before quoting.
Updated: 2026-11-12