PSG : 2.5 Module Steel Precision Spur Gears
Precision Gears » Precision Spur Gears »
2.5 Module Steel Precision Spur Gears 20 deg. PA
Quality Grade 7e25 DIN 3961/3967 (AGMA Q10)

| Discounts |
1+ 0% |
6+ 5% |
19+ 10% |
Part
Number |
No. of
Teeth Z |
Ref.
Dia. d |
Tip
Dia. da |
Bore
H7 di |
Max
Bore di |
Hub
Dia. BD |
Backlash
(mm) jt.e (max) |
Backlash
(mm) jt.i (min) |
I
Inertia kgm2 |
Mass kg |
817M40T (28HRC) |
Case Hardened 805M20 (58HRC)# |
T2 Nm
n2100min-1 |
PSG |
Quantity |
Add to
Basket |
T2 Nm
n2100min-1 |
PSG-H |
Quantity |
Add to
Basket |
|
PSG2.5-18 |
18 |
45.0 |
50.0 |
14 |
18 |
35 |
0.129 |
0.051 |
1.09 x 10-4 |
0.437 |
22.94 |
£27.27 |
|
84.12 |
£44.99 |
|
|
PSG2.5-19 |
19 |
47.5 |
52.5 |
14 |
18 |
35 |
0.129 |
0.051 |
1.29 x 10-4 |
0.472 |
24.22 |
£28.29 |
|
88.80 |
£46.68 |
|
|
PSG2.5-20 |
20 |
50.0 |
55.0 |
14 |
18 |
35 |
0.129 |
0.051 |
1.51 x 10-4 |
0.509 |
32.23 |
£29.22 |
|
118.19 |
£48.21 |
|
|
PSG2.5-21 |
21 |
52.5 |
57.5 |
14 |
18 |
35 |
0.171 |
0.069 |
1.77 x 10-4 |
0.548 |
33.85 |
£30.18 |
|
124.10 |
£49.79 |
|
|
PSG2.5-22 |
22 |
55.0 |
60.0 |
14 |
18 |
35 |
0.171 |
0.069 |
2.07 x 10-4 |
0.589 |
35.46 |
£31.22 |
|
130.01 |
£51.50 |
|
|
PSG2.5-23 |
23 |
57.5 |
62.5 |
16 |
25 |
45 |
0.171 |
0.069 |
2.90 x 10-4 |
0.737 |
37.07 |
£32.20 |
|
135.92 |
£53.15 |
|
|
PSG2.5-24 |
24 |
60.0 |
65.0 |
16 |
25 |
45 |
0.171 |
0.069 |
3.29 x 10-4 |
0.781 |
38.68 |
£33.13 |
|
141.83 |
£54.65 |
|
|
PSG2.5-25 |
25 |
62.5 |
67.5 |
16 |
25 |
45 |
0.171 |
0.069 |
3.73 x 10-4 |
0.828 |
40.29 |
£35.13 |
|
147.74 |
£57.97 |
|
|
PSG2.5-26 |
26 |
65.0 |
70.0 |
16 |
25 |
45 |
0.171 |
0.069 |
4.23 x 10-4 |
0.877 |
49.30 |
£37.15 |
|
180.01 |
£61.30 |
|
|
PSG2.5-27 |
27 |
67.5 |
72.5 |
16 |
25 |
45 |
0.171 |
0.069 |
4.78 x 10-4 |
0.927 |
51.20 |
£38.04 |
|
186.94 |
£62.77 |
|
|
PSG2.5-28 |
28 |
70.0 |
75.0 |
16 |
25 |
45 |
0.171 |
0.069 |
5.40 x 10-4 |
0.980 |
53.09 |
£39.09 |
|
193.86 |
£64.50 |
|
|
PSG2.5-29 |
29 |
72.5 |
77.5 |
18 |
35 |
55 |
0.171 |
0.069 |
7.05 x 10-4 |
1.168 |
54.99 |
£40.70 |
|
200.78 |
£67.14 |
|
|
PSG2.5-30 |
30 |
75.0 |
80.0 |
18 |
35 |
55 |
0.171 |
0.069 |
7.82 x 10-4 |
1.224 |
62.57 |
£42.17 |
|
206.38 |
£69.57 |
|
|
PSG2.5-32 |
32 |
80.0 |
85.0 |
18 |
35 |
55 |
0.171 |
0.069 |
9.60 x 10-4 |
1.342 |
66.74 |
£45.22 |
|
220.14 |
£74.63 |
|
|
PSG2.5-35 |
35 |
87.5 |
92.5 |
18 |
35 |
55 |
0.173 |
0.067 |
1.30 x 10-3 |
1.535 |
73.00 |
£52.39 |
|
240.78 |
£86.46 |
|
|
PSG2.5-38 |
38 |
95.0 |
100.0 |
20 |
40 |
70 |
0.173 |
0.067 |
2.02 x 10-3 |
2.010 |
79.26 |
£56.24 |
|
261.42 |
£92.79 |
|
|
PSG2.5-40 |
40 |
100.0 |
105.0 |
20 |
40 |
70 |
0.173 |
0.067 |
2.37 x 10-3 |
2.159 |
106.60 |
£57.81 |
|
306.09 |
£95.39 |
|
|
PSG2.5-42 |
42 |
105.0 |
110.0 |
20 |
40 |
70 |
0.173 |
0.067 |
2.78 x 10-3 |
2.316 |
111.93 |
£60.56 |
|
321.40 |
£99.94 |
|
|
PSG2.5-45 |
45 |
112.5 |
117.5 |
20 |
40 |
70 |
0.173 |
0.067 |
3.52 x 10-3 |
2.566 |
119.93 |
£62.72 |
|
344.36 |
£103.48 |
|
|
PSG2.5-48 |
48 |
120.0 |
125.0 |
20 |
40 |
70 |
0.173 |
0.067 |
4.42 x 10-3 |
2.833 |
127.92 |
£67.18 |
|
367.31 |
£110.85 |
|
|
PSG2.5-50 |
50 |
125.0 |
130.0 |
20 |
40 |
70 |
0.175 |
0.065 |
5.12 x 10-3 |
3.021 |
158.01 |
£70.90 |
|
415.19 |
£116.98 |
|
|
PSG2.5-52 |
52 |
130.0 |
135.0 |
20 |
40 |
70 |
0.227 |
0.097 |
5.92 x 10-3 |
3.217 |
164.33 |
£74.06 |
|
431.80 |
£124.54 |
|
|
PSG2.5-55 |
55 |
137.5 |
142.5 |
20 |
40 |
70 |
0.227 |
0.097 |
7.29 x 10-3 |
3.524 |
173.81 |
£77.76 |
|
456.71 |
£132.02 |
|
|
PSG2.5-58 |
58 |
145.0 |
150.0 |
20 |
40 |
70 |
0.227 |
0.097 |
8.90 x 10-3 |
3.850 |
183.29 |
£81.65 |
|
481.62 |
£139.94 |
|
DIN 3967 Tooth Thickness tol.
# Quality Grades and Tolerances stated prior to heat treatment processes.
n Efficiency approx. 98%
| Standard Part |
PSG |
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2.5 |
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| Modified Part |
PSG |
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2.5 |
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- |
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50 |
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H |
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25 |
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K |
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T |
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PSG - Precision Spur Gear
Quality Grade 7e25 DIN 3961/3967
Other Quality Grades available.
See Technical Pages |
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T = 1 x Tapped hole 2T = 2 x Tapped holes.
P = 1 x Pin Hole PT = 1 x Pin Hole thru.
All threads metric as standard.
see Technical Pages |
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mn Module - Cut with DIN 867 1.25/0.20/1.0
Ref. Tooth Profile Topping WD = 2.25 x mn |
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K- Keyway supplied to
DIN 6885 - Js9 tolerance.
see Technical Pages |
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Number of Teeth z |
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To specify different bore enter size required
Example: 25 = 25mm H7 etc
see Technical Pages |
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Standard Material = 817M40T (28HRC)
H = 805M20 Case Hardened (58HRC) S = 303 Stainless Steel
SL = 316 Stainless Steel
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Options - Different number of teeth
- Modifications available on request: Other material, boring out, keyways, tapped holes, pin holes.
Accessories - Clamping sets, screws, keys, dowel pins...
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