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A roller-type one-way clutch allows torque transmission in one direction while freewheeling in the opposite. It uses spring-loaded rollers wedged between inner and outer races to engage/disengage automatically. Compact and reliable, it’s widely used in transmissions, starters, and industrial machinery for overrunning or indexing applications
ASNU NFS TFS is a roller type freewheel non-bearing supported. Bearing are supporte axil and radial load. Lubrication and sealing must be also provided by installation.
Since ASNU NFS type one way clutch is a roller type without bearing supported, bearings are required to support axial and radial loads. Lubrication and sealing must also be provided by the installation. The inner race is keyed to the shaft. The outer race has positive n6 tolerance, to give a press fitin a H7 housing.
Type | Size | TKN1) | Overrunning Speeds | Weight | Drag torque | |||||||||
ASNU (NFS) | dH7 | nimax2) | namax3) | Dn6 | D5 | L | b | t | s | e | f | TR | ||
[mm] | [Nm] | [min-1] | [min-1] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [kg] | [Ncm] | |
8 | 12 | 3300 | 5000 | 35 | 28 | 13 | 4 | 1.4 | 2.4 | 0.6 | 0.3 | 0.07 | 1.6 | |
12 | 12 | 3300 | 5000 | 35 | 28 | 13 | 4 | 1.4 | 2.4 | 0.6 | 0.3 | 0.06 | 1.6 | |
15 | 30 | 2400 | 3600 | 42 | 37 | 18 | 5 | 1.8 | 2.4 | 0.8 | 0.3 | 0.11 | 1.9 | |
17 | 49 | 2300 | 3400 | 47 | 40 | 19 | 5 | 2.3 | 2.4 | 1.2 | 0.8 | 0.15 | 1.9 | |
20 | 78 | 2100 | 3100 | 52 | 42 | 21 | 6 | 2.3 | 2.4 | 1.2 | 0.8 | 0.19 | 1.9 | |
25 | 125 | 1700 | 2600 | 62 | 51 | 24 | 8 | 2.8 | 2.4 | 1.2 | 0.8 | 0.38 | 5.6 | |
30 | 255 | 1400 | 2200 | 72 | 60 | 27 | 10 | 2.5 | 2.4 | 1.8 | 1 | 0.54 | 14 | |
35 | 383 | 1200 | 1900 | 80 | 70 | 31 | 12 | 3.5 | 2.4 | 1.8 | 1 | 0.74 | 16 | |
40 | 538 | 1100 | 1700 | 90 | 78 | 33 | 12 | 4.1 | 2.5 | 1.8 | 1 | 0.92 | 38 | |
45 | 780 | 1000 | 1600 | 100 | 85 | 36 | 14 | 4.6 | 2.5 | 1.8 | 1 | 1.31 | 43 | |
50 | 1013 | 850 | 1350 | 110 | 92 | 40 | 14 | 5.6 | 2.5 | 1.8 | 1 | 1.74 | 55 | |
60 | 1825 | 750 | 1050 | 130 | 110 | 46 | 18 | 5.5 | 3.6 | 2.6 | 1.5 | 2.77 | 110 | |
70 | 2300 | 600 | 950 | 150 | 125 | 51 | 20 | 6.9 | 3.6 | 2.6 | 1.5 | 4.16 | 140 | |
80 | 3275 | 550 | 850 | 170 | 140 | 58 | 20 | 7.5 | 3.6 | 2.6 | 1.5 | 6.09 | 180 | |
90 | 5325 | 500 | 750 | 190 | 160 | 64 | 20 | 8 | 3.6 | 2.6 | 2 | 8.2 | 230 | |
100 | 7250 | 450 | 680 | 215 | 175 | 73 | 24 | 8.5 | 3.6 | 2.6 | 2 | 12.6 | 380 | |
120 | 13500 | 370 | 550 | 260 | 215 | 86 | 28 | 10 | 3.6 | 2.6 | 2.5 | 22 | 650 | |
150 | 26625 | 300 | 460 | 320 | 260 | 108 | 32 | 12 | 3.6 | 3.6 | 2.5 | 42 | 1000 | |
200 | 44500 | 230 | 350 | 420 | 350 | 138 | 45 | 16 | 7.6 | 3.6 | 3 | 93 | 2000 | |
NOTES
ASNU8-12, ASNU200 keyway to DIN 6885. 1,
other sizes to DIN 6885.3
1) T max = 2 × T KN
2) Inner race overruns
3) Outer race overruns
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