Manufacturer: NSK 
Type: LINEAR GUIDEWAY BLOCK
Model: NAH20GM Z

Size: 20 mm
Dimensions
Total Height H: 30 mm
Block Width W: 21.5 mm
Block Length L: 91.8 mm
Block Height K: 25 mm
E: 5 mm
B: 53 mm
Interchangeable ball slide model code: NAH
Ball slide shape code: GM
Preload: Z, Slight preload
Block Type: Square Standard Type
Load Type: Super high load
Basic Load Ratings:
Dynamic C: 30000 N
Static C₀: 50500 N
Allowable Static Moment:
X axis M_RO: 340 Nm
Y axis M_YO: 420 Nm
Z axis M_PO: 355 Nm