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SKF impact spanners are designed for safe and easy tightening and loosening of locknuts used to secure and adjust larger bearings directly on the shaft or with adapter and withdrawal sleeves.
Design of TMFN 23-30 and TMFN 30-40
Design of other sizes TMFN impact spanners
| Technical Data | ||
|---|---|---|
| Designation | Lock nut outer diameter | |
| mm | in. | |
| TMFN 23-30 | 150�220 | 5.9�8.7 |
| TMFN 30-40 | 195�270 | 7.7�10.6 |
| TMFN 40-52 | 250�320 | 9.8�12.6 |
| TMFN 52-64 | 330�400 | 12.6�15.7 |
| TMFN 64-80 | 420�520 | 15.7�20.5 |
| TMFN 80-500 | 540�620 | 21.3�24.8 |
| TMFN 500-600 | 630�730 | 24.8�29.5 |
| TMFN 600-750 | 750�950 | 29.5�37.4 |
| Selection table | |||||
|---|---|---|---|---|---|
| Designation | Suitable for adapter sleeves | Suitable for nuts of series | |||
| H 23, H 31, | H 30, | ||||
| H 32 | H 39 | KM | KML | HM T | |
| TMFN 23-30 | 24�30 | 26�32 | 23�30 | 26�32 | � |
| TMFN 30-40 | 30�40 | 34�40 | 32�38 | 34�40 | � |
| TMFN 40-52 | 40�48 | 44�52 | 40 | � | 42T�50T |
| TMFN 52-64 | 52�64 | 56�68 | � | � | 52T�56T |
| TMFN 64-80 | 64�80 | 68�88 | � | � | � |
| TMFN 80-500 | 80�500 | 88�530 | � | � | � |
| TMFN 500-600 | 500�600 | 530�630 | � | � | � |
| TMFN 600-750 | 600�750 | 670�800 | � | � | � |
| Selection table (continued) | ||||
|---|---|---|---|---|
| Designation | Suitable for nuts of series | |||
| HM | KMFE | KMT | DIN 1804 (M) | |
| TMFN 23-30 | � | 23�28 26L�28L |
24�30 | M105x2 M105x2 M110x2 M115x2 M120x2 M125x2 M130x3 M140x3 M150x3 M160x3 |
| TMFN 30-40 | � | 30�40 | 32�40 | M170x3 M180x3 M190x3 M200x3 |
| TMFN 40-52 | 3044�3052 | � | 40, 44, 48 | � |
| TMFN 52-64 | 3056�3068 | � | � | � |
| TMFN 64-80 | 3168�3088 | � | � | � |
| TMFN 80-500 | 3184�30/500 | � | � | � |
| TMFN 500-600 | 31/500�30/630 | � | � | � |
| TMFN 600-750 | 31/600�31/800 | � | � | � |
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