直线导轨是一种用于实现直线运动的导轨，广泛应用于各种机械设备中。以下是一些常见的直线导轨尺寸规格，以毫米为单位：
-
滚动导轨：
- 10mm x 10mm
- 15mm x 15mm
- 20mm x 20mm
- 25mm x 25mm
- 30mm x 30mm
- 35mm x 35mm
- 40mm x 40mm
- 45mm x 45mm
- 50mm x 50mm
- 60mm x 60mm
- 70mm x 70mm
- 80mm x 80mm
- 90mm x 90mm
- 100mm x 100mm
- 120mm x 120mm
- 140mm x 140mm
- 160mm x 160mm
- 180mm x 180mm
- 200mm x 200mm
-
滚针导轨：
- 5mm x 5mm
- 10mm x 10mm
- 15mm x 15mm
- 20mm x 20mm
- 25mm x 25mm
- 30mm x 30mm
- 35mm x 35mm
- 40mm x 40mm
- 45mm x 45mm
- 50mm x 50mm
- 60mm x 60mm
- 70mm x 70mm
- 80mm x 80mm
- 90mm x 90mm
- 100mm x 100mm
- 120mm x 120mm
- 140mm x 140mm
- 160mm x 160mm
- 180mm x 180mm
- 200mm x 200mm
-
滚柱导轨：
- 6mm x 6mm
- 8mm x 8mm
- 10mm x 10mm
- 12mm x 12mm
- 15mm x 15mm
- 18mm x 18mm
- 20mm x 20mm
- 25mm x 25mm
- 30mm x 30mm
- 35mm x 35mm
- 40mm x 40mm
- 45mm x 45mm
- 50mm x 50mm
- 60mm x 60mm
- 70mm x 70mm
- 80mm x 80mm
- 90mm x 90mm
- 100mm x 100mm
- 120mm x 120mm
- 140mm x 140mm
- 160mm x 160mm
- 180mm x 180mm
- 200mm x 200mm
请注意，这些尺寸仅供参考，具体规格可能因厂家和型号而有所不同。在选择直线导轨时，请根据实际需求进行选择。