Technical data
5
56
Manual – Gear Units and Gearmotors
RM gear units
Project Planning for Gear Units
Permitted over-
hung loads and
axial forces
The permitted overhung loads F
Ra
and axial forces F
Aa
are specified for various service
factors f
B
and nominal bearing service life L
10h
.
f
Bmin
= 1.5; L
10h
= 10,000 h
f
Bmin
= 2.0; L
10h
= 25 000 h
n
a
[1/min]
< 16 16-25 26-40 41-60 61-100 101-160 161-250 251-400
RM57
F
Ra
[N] 400 400 400 400 400 405 410 415
F
Aa
[N] 18800 15000 11500 9700 7100 5650 4450 3800
RM67
F
Ra
[N] 575 575 575 580 575 585 590 600
F
Aa
[N] 19000 18900 15300 11900 9210 7470 5870 5050
RM77
F
Ra
[N] 1200 1200 1200 1200 1200 1210 1210 1220
F
Aa
[N] 22000 22000 19400 15100 11400 9220 7200 6710
RM87
F
Ra
[N] 1970 1970 1970 1970 1980 1990 2000 2010
F
Aa
[N] 30000 30000 23600 18000 14300 11000 8940 8030
RM97
F
Ra
[N] 2980 2980 2980 2990 3010 3050 3060 3080
F
Aa
[N] 40000 36100 27300 20300 15900 12600 9640 7810
RM107
F
Ra
[N] 4230 4230 4230 4230 4230 4230 3580 3830
F
Aa
[N] 48000 41000 30300 23000 18000 13100 9550 9030
RM137
F
Ra
[N] 8710 8710 8710 8710 7220 5060 3980 6750
F
Aa
[N] 70000 70000 70000 57600 46900 44000 35600 32400
RM147
F
Ra
[N] 11100 11100 11100 11100 11100 10600 8640 10800
F
Aa
[N] 70000 70000 69700 58400 45600 38000 32800 30800
RM167
F
Ra
[N] 14600 14600 14600 14600 14600 14700 - -
F
Aa
[N] 70000 70000 70000 60300 45300 36900 - -
n
a
[1/min]
< 16 16-25 26-40 41-60 61-100 101-160 161-250 251-400
RM57
F
Ra
[N] 410 410 410 410 410 415 415 420
F
Aa
[N] 12100 9600 7350 6050 4300 3350 2600 2200
RM67
F
Ra
[N] 590 590 590 595 590 595 600 605
F
Aa
[N] 15800 12000 9580 7330 5580 4460 3460 2930
RM77
F
Ra
[N] 1210 1210 1210 1210 1210 1220 1220 1220
F
Aa
[N] 20000 15400 11900 9070 6670 5280 4010 3700
RM87
F
Ra
[N] 2000 2000 2000 2000 2000 1720 1690 1710
F
Aa
[N] 24600 19200 14300 10600 8190 6100 5490 4860
RM97
F
Ra
[N] 3040 3040 3040 3050 3070 3080 2540 2430
F
Aa
[N] 28400 22000 16200 11600 8850 6840 5830 4760
RM107
F
Ra
[N] 4330 4330 4330 4330 4330 3350 2810 2990
F
Aa
[N] 32300 24800 17800 13000 9780 8170 5950 5620
RM137
F
Ra
[N] 8850 8850 8850 8830 5660 4020 3200 5240
F
Aa
[N] 70000 59900 48000 37900 33800 31700 25600 23300
RM147
F
Ra
[N] 11400 11400 11400 11400 11400 8320 6850 8440
F
Aa
[N] 70000 60600 45900 39900 33500 27900 24100 22600
RM167
F
Ra
[N] 15100 15100 15100 15100 15100 13100 - -
F
Aa
[N] 70000 63500 51600 37800 26800 23600 - -