Gear unit mounting

Strength class of the screws

Always mount gearmotors using screws of strength class 8.8.

The gearmotors in flange-mounted design and in foot/flange-mounted design listed in the following table are an exception. For these gearmotors, use screws of strength class 10.9. Use suitable washers.

Gear units with screws of strength class 10.9

Flange Ø

mm

RF37/R37F

SF37

120

RF47/R47F

140

RF57/R57F

160

SF67

200

FF/FAF77

KF/KAF77

SF77

250

FM/FAM67, FM/FAM77

KM/KAM67, KM/KAM77

300

FM/FAM87

KM/KAM87

SF87

350

FM/FAM97

KM/KAM97

400

RF147

FM/FAM107

KM/KAM107

450

RF167

FM/FAM127

KM/KAM127

550

FM/FAM157

KM/KAM157

660

RZ37 – RZ87

60ZR – 130ZR