Technical data

Manual – Gear Units and Gearmotors
57
5
RM gear units
Project Planning for Gear Units
Conversion
factors and gear
unit constants
The following conversion factors and gear unit constants apply to calculating the permit-
ted overhung load F
xL
at point x ≠ 1000 mm for RM gearmotors:
Additional weight
RM gear units
Gear unit type a b c
F
(f
B
= 1.5) c
F
(f
B
= 2.0) F
F
RM57 1047 47 1220600 1260400 277
RM67 1047 47 2047600 2100000 297.5
RM77 1050 50 2512800 2574700 340.5
RM87 1056.5 56.5 4917800 5029000 414
RM97 1061 61 10911600 11124100 481
RM107 1069 69 15367000 15652000 554.5
RM137 1088 88 25291700 25993600 650
RM147 1091 91 30038700 31173900 756
RM167 1089.5 89.5 42096100 43654300 869
Type Additional weight compared to RF with reference to the smallest RF flange
Δm [kg / lb]
RM57 12.0 / 26.4
RM67 15.8 / 34.8
RM77 25.0 / 55.1
RM87 29.7 / 65.5
RM97 51.3 / 113.1
RM107 88.0 / 194.0
RM137 111.1 / 244.9
RM147 167.4 / 369.1
RM167 195.4 / 430.8