L †8 L2
L1
D
D1 d0 d1
d2
M1
L4 M2
Screw
Nut
Screw
Support bearing Recommended thrust bearing type
Tightening spanner d0 ¥ Ph
D1 js13
mm
mm
20¥5
38
M35¥1,5
54
14
8
8
25¥5 25¥10
43 43
M40¥1,5 M40¥1,5
69 84
19 19
8 12
32¥5 32¥10
52 54
M48¥1,5 M48¥1,5
64 95
19 19
40¥5 40¥10 40¥40
60 65 65
M56¥1,5 M60¥2 M60¥2
50¥10
78
63¥10
93
1) 2)
M1 6g
L
L1
L2
L4
M2
mm
length d2 max.
Recommended support bearing type
d1
–
mm
–
M6¥1
HN5
4 700 16,7 19,4
PLBU 20/FLBU 201)
BUF 20
8 12
M6¥1 M6¥1
HN6 HN6
4 700 21,7 24,6 4 700 20,5 24,6
PLBU 25/FLBU 25 PLBU 25/FLBU 25
BUF 25 BUF 25
8 15
8 15
M6¥1 M6¥1
HN7 HN7
5 700 28,7 31,6 5 700 27,8 32
PLBU 32/FLBU 32 PLBU 32/FLBU 32/FLRBU 32)
BUF 32 BUF 32
65 19 105 24 121 24
8 15 20
8 M6¥1 13 M8¥1 48,6 M8¥1
HN9 HN9 HN9
5 700 36,7 39,6 5 700 34 39,4 5 700 34,2 38,3
PLBU 40/FLBU 40 PLBU 40/FLBU 40/FLRBU 42) PLBU 40/FLBU 40
BUF 40 BUF 40 BUF 40
M72¥2
135 29
15
15
M8¥1
HN12
5 700 44
49,7
PLBU 50/FLBU 50/FLRBU 52)
BUF 50
M85¥2
135 29
15
15
M8¥1
HN14
5 700 57
62,8
PLBU 63/FLBU 63
BUF 63
for high load application, please contact SKF. for high load application use FLRBU type, please refer to roller screws catalogue for end shaft and support bearing definitions.
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