Page 658 - MiSUMi 2025
P. 658
7 Timing Pulleys XL 7
Timing Pulleys & Idlers & Belts / Round Belt Pulleys & Idlers & Belts Products 5.08mm Pulley M Material Flange S Surface Treatment Round Belt Pulleys & Idlers & Belts Timing Pulleys & Idlers & Belts /
XL
New
Timing Pulleys Aluminum Alloy Clear Anodized Pulleys Timing
P.07-007 P.07-007
Idlers QPulley Shape Type & Nominal Width (* dimension) Idlers
W
A
L
P.07-033 4 A Shape *W 4 B Shape *L (ISO Standard Rack Dimensions) Belt Type Pulley Shape 7.5 12.5 21 - - P.07-033
A
XL025
B
Tooth Profile
Timing Belts 2.5 *A 2.5 2.5 *W 2.5 7 2-M 25° 25° XL031 B A B A 11 14 23 - - Timing Belts
A
9
*A
2-M
W/2
XL037
16
25
R0.61
14
XL050
19
B
P.07-055 P.D. O.D. dH7 E F P.D. O.D. dH7 D E F P.D. O.D. R0.61 1.27 1.40 Threaded Hole Size Table 28 P.07-055
Round Belt Pulleys & Idlers & Belts (t1.6) (t1.6) Tooth groove dimensions slightly vary dH7 Shaft Bore ID M (Coarse Thread) Idlers & Belts Round Belt Pulleys &
(Shaft Bore Specs: P · N )
according to the number of teeth.
4
(Pitch: 5.08mm)
M3
M4
5~12
M5
13~17
18~30
M6
P.07-088 QShaft Bore Specs. E For more tap dimensions, refer to the P.07-088
5 H Round Hole 5 P Round Hole + Tap 5 N New JIS Keyway + Tap MISUMI website.
QKeyway Size N/NK: New JIS (B1301) keyway size table
Shaft Bore Keyway
bjs9 t
Spec. Shaft Bore Tolerance b js9 t Tolerance
2-R0.2 N 8 + 0.015 3 ±0.0125 1.4
(120°)
or Less N 10 0
NK 10 + 0.015 4 ±0.0150 1.8
0
0
dH7 N 11~12 4 1.8 + 0.1
HH7 N 13~17 + 0.018 5 ±0.0150 2.3
PH7 NH7 0
E No tapped holes or set E For Shape A pulley, the set N 18 6 2.8
screws. screw hole is set around 120° N 19~22 + 0.021 6 ±0.0150 2.8
0
to avoid interference with the
tooth top. E For more keyway dimensions, refer to the
MISUMI website.
Part Number 4Pulley 5Shaft Bore Specs. H 5Shaft Bore Specs. P 5Shaft Bore Specs. N/NK
Hole Dia. d
Hole Dia. d
Hole Dia. d
1Type 2Number of Teeth 3Belt Type Shape (1mm increments) (1mm increments) (1mm increments) P.D. O.D. F E
10 16.17 15.66 12
11 4~8 - - 17.79 17.28 24
12 4~11 4~8 19.4 18.9 25 15
14 5~14 5~11 8 22.64 22.13 28 18
15 5~16 5~12 8·10·NK10 24.26 23.75 32 20
16 5~13 8~13·NK10 25.87 25.36
18 6~20 6~16 8~15·NK10 29.11 28.6 36 24
19 30.72 30.22
20 8~23 8~18 8~16·NK10 32.34 31.83 40 27
21 8~18·NK10 33.96 33.45
22 8~26 8~22 8~20·NK10 35.57 35.07 45 30
24 8~22·NK10 38.81 38.3
25 XL025 8~31 8~25 40.43 39.92 48 35
E-ATP 26 XL031 A 8~23·NK10 42.01 41.53
28 XL037 8~36 8~31 8~25·NK10 45.28 44.77 55 40
30 XL050 10~36 10~31 10~30·NK10 48.51 48
32 10~41 10~32·NK10 51.74 51.24 61 45
34 54.98 54.47
36 10~46 58.21 57.7 67 50
38 61.45 60.94
40 10~54 64.68 64.17 74 58
42 10~35 67.91 67.41
44 10~56 10~35·NK10 71.15 70.64 80 60
46 74.38 73.87
48 77.62 77.11
50 10~63 80.85 80.34 87 67
60 10~77 97.01 96.51 104 84
72 10~85 116.43 115.92 123 102
07-019 Timing Pulleys

