Guide shaft DIN 9825

Material:

• D = 2,5 - 6,0: X155 CrVMo 12 1 (1.2379);
• D = 8,0 - 40,0: 100 Cr 6 (1.3505); 16 MnCr 5 (1.7131); or similar ball bearing steel alloys;
• carefully heat-treated; hardness rating HRC 60-64/HV 720-815;
• depending on diameter minimum depth of case hardness 0.8 - 1.5 mm (up to diameter D = 10 throughhardened).

Characteristics:

• guide shaft DIN 9825;
• hardened guide shaft with precision ground surface;
• suitable for high-precision rotary stroke bearings;
• when used with MarMotion guide bushes and ball cages, preloading is ensured;
• * in the dimension drawing stands for the conductivity side;
• *1 in the dimension drawing stands for the press-in side;
• guide diameter D is precision ground and lapped to ISO h3, R less than 1 μm;
• D at 12 - 20 = M6 x 16;
• D at 25 - 40 = M8 x 20;
• roundness within 1/3 ISO-IT3;
• straightness within 5 μm/100 mm;
• ends are either rounded or have lead-in taper;
• for instructions about installation and maintenance, please refer to the appendix.

Special requests:

Other dimensions or designs based on workpiece drawings are available, also of stainless steel 440B (1.4112).