High impact forces without nut damage

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.

• Avoids shaft and nut damage
• Safe and user friendly Impact applied effectively to the nut
• Suitable for nuts of series KM, HM..T, HML..T, HM 30, HM 31, AN.., N.. and N... (for nut sizes 23 and above)
• Special wide impact face

Technical data

Designation	Suitable for adapter sleeves
	H 23, H 31, H 32	H 30, H 39
TMFN 23-30	24 - 30	26 - 32
TMFN 30-40	30 - 40	34 - 40
TMFN 40-52	40 - 48	44 - 52
TMFN 52-64	52 - 64	56 - 68
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

Designation	Suitable for nuts of series
	KM	HM..T	HML..T	HM 30	HM 31	AN.., N..	N..
TMFN 23-30	23-30	-	-	-	-	24-30	026-032
TMFN 30-40	30-40	-	41-42	-	-	30-40	034-040
TMFN 40-52	40-52	41-50	41-54	44-52	-	40-44	044-052
TMFN 52-64	-	50-64	54-68	56-68	60-64	-	056-068
TMFN 64-80	-	64-80	68-90	68-88	64-80	-	068-088
TMFN 80-500	-	80-100	88-108	88-530	80-500	-	088-530
TMFN 500-600	-	100-120	106-126	530-630	500-600	-	530-630
TMFN 600-750	-	-	-	670-800	600-750	-	670-800

Designation	Dimensions						Weight
	d		f		L
	mm	in	mm	in	mm	in	kg	lb
TMFN 23-30	150-195	5.9-7.7	11,5	0.45	200	7.9	1,1	2.4
TMFN 30-40	195-250	7.7-9.8	13,5	0.53	200	7.9	1,5	3.3
TMFN 40-52	250-320	9.8-12.6	17	0.67	340	13.4	3,2	7.0
TMFN 52-64	320-400	12.6-15.7	19	0.75	325	12.8	4,1	9.0
TMFN 64-80	400-520	15.7-20.5	23	0.91	310	12.2	4,3	9.5
TMFN 80-500	520-630	20.5-24.8	28	1.10	370	14.6	6,9	15.2
TMFN 500-500	630-750	24.8-29.5	36	1.42	350	13.8	8,5	18.7
TMFN 600-750	750-950	29.5-37.4	40	1.57	600	23.6	11,0	24.2