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PRODUCT · Rotary Transmission

Spur gear

Ground spur gears (module 1–6, 40Cr, JIS Grade 2) and milled spur gears (module 0.5–4, C45 steel, DIN 3967 8d25). 20° pressure angle, 601 standard sizes with online filtering — custom sizes to your drawing.

Last updated Reviewed by Luo Genwen, Production Plant Manager

Spur gear construction and designation diagram · Bore · Number of teeth · Module
Marking example: 1M-20-12 (Module · Teeth · Bore)

Specifications · Selector

Spur gear online selector

All 601 standard sizes from the product catalogue PDF. Filter by series, module, style, teeth or bore — or search by model code. All dimensions in mm.

Milled spur gear construction: B with single-side hub / A hubless flat, showing b, NL, ØB, ØND, Ød, Øda

Complete size table · 601 sizes (static version for printing and full-text search)
Spur gear online selector — Milled series · C45 steel (561)
Model
Code
Module
m
Fig.Teeth
z
Face b
mm
Tip Ø da
mm
Pitch Ø d
mm
Hub len NL
mm
Hub Ø ND
mm
Bore B(H7)
mm
Rated torqueWeight
10-M0.5-4-2-B0.5B1046543.7520.8 Ncm0.8 g
12-M0.5-4-2-B0.5B124764421 Ncm1 g
13-M0.5-4-2-B0.5B1347.56.54521.1 Ncm1 g
14-M0.5-4-2-B0.5B144874521.2 Ncm2 g
15-M0.5-4-3-B0.5B1548.57.54631.4 Ncm2 g
16-M0.5-4-3-B0.5B164984631.5 Ncm2 g
17-M0.5-4-3-B0.5B1749.58.54631.6 Ncm2 g
18-M0.5-4-3-B0.5B1841094631.7 Ncm2 g
19-M0.5-4-3-B0.5B19410.59.54831.9 Ncm3 g
20-M0.5-4-3-B0.5B20411104832.2 Ncm3 g
21-M0.5-4-3-B0.5B21411.510.54832.4 Ncm4 g
22-M0.5-4-3-B0.5B22412114832.7 Ncm4 g
23-M0.5-4-3-B0.5B23412.511.54833 Ncm4 g
24-M0.5-4-3-B0.5B24413124833.3 Ncm4 g
25-M0.5-4-4-B0.5B25413.512.541043.6 Ncm5 g
26-M0.5-4-4-B0.5B264141341044 Ncm5 g
27-M0.5-4-4-B0.5B27414.513.541044.3 Ncm5 g
28-M0.5-4-4-B0.5B284151441044.7 Ncm6 g
30-M0.5-4-4-B0.5B304161541045.5 Ncm7 g
32-M0.5-4-4-B0.5B324171641246.3 Ncm9 g
35-M0.5-4-4-B0.5B35418.517.541247.7 Ncm10 g
36-M0.5-4-4-B0.5B364191841248.2 Ncm10 g
38-M0.5-4-4-B0.5B384201941249.2 Ncm11 g
40-M0.5-4-4-B0.5B4042120412410.3 Ncm12 g
42-M0.5-4-5-B0.5B4242221415511.5 Ncm14 g
45-M0.5-4-5-B0.5B45423.522.5415513.4 Ncm16 g
48-M0.5-4-5-B0.5B4842524415515.5 Ncm18 g
50-M0.5-4-5-B0.5B5042625415517 Ncm19 g
52-M0.5-4-5-B0.5B5242726415518.5 Ncm20 g
54-M0.5-4-5-B0.5B5442827415520.2 Ncm22 g
55-M0.5-4-5-B0.5B55428.527.5415521 Ncm23 g
56-M0.5-4-5-B0.5B5642928415521.9 Ncm23 g
60-M0.5-4-5-B0.5B6043130420525.5 Ncm30 g
64-M0.5-4-5-B0.5B6443332420529.4 Ncm33 g
65-M0.5-4-5-B0.5B65433.532.5420530.5 Ncm33 g
70-M0.5-4-5-B0.5B7043635420536 Ncm39 g
72-M0.5-4-5-B0.5B7243736420538.3 Ncm40 g
75-M0.5-4-5-B0.5B75438.537.5420542 Ncm42 g
80-M0.5-4-5-B0.5B8044140420548.5 Ncm47 g
85-M0.5-4-6-B0.5B85443.542.5425655.6 Ncm57 g
90-M0.5-4-6-B0.5B9044645425663.2 Ncm62 g
96-M0.5-4-6-B0.5B9644948425673.2 Ncm69 g
100-M0.5-4-6-B0.5B10045150425680.2 Ncm74 g
114-M0.5-4-6-B0.5B114458574256108 Ncm94 g
120-M0.5-4-6-B0.5B120461604256121 Ncm100 g
10-M0.8-5-3-B0.8B1059.686532 Ncm3 g
12-M0.8-5-3-B0.8B12511.29.66832.6 Ncm4 g
13-M0.8-5-3-B0.8B1351210.46832.9 Ncm5 g
14-M0.8-5-3-B0.8B14512.811.26833.3 Ncm6 g
15-M0.8-5-3-B0.8B15513.6126833.6 Ncm6 g
16-M0.8-5-4-B0.8B16514.412.861043.8 Ncm7 g
17-M0.8-5-4-B0.8B17515.213.661044 Ncm7 g
18-M0.8-5-4-B0.8B1851614.461044.5 Ncm8 g
19-M0.8-5-4-B0.8B19516.815.261045.1 Ncm9 g
20-M0.8-5-4-B0.8B20517.61661045.7 Ncm12 g
21-M0.8-5-4-B0.8B21518.416.861246.4 Ncm14 g
22-M0.8-5-4-B0.8B22519.217.661247.1 Ncm15 g
23-M0.8-5-4-B0.8B2352018.461247.9 Ncm15 g
24-M0.8-5-4-B0.8B24520.819.261248.7 Ncm16 g
25-M0.8-5-5-B0.8B25521.62061559.5 Ncm18 g
26-M0.8-5-5-B0.8B26522.420.8615510.4 Ncm18 g
27-M0.8-5-5-B0.8B27523.221.6615511.3 Ncm19 g
28-M0.8-5-5-B0.8B2852422.4615512.2 Ncm20 g
30-M0.8-5-5-B0.8B30525.624615514.3 Ncm22 g
32-M0.8-5-5-B0.8B32527.225.6615516.5 Ncm23 g
35-M0.8-5-5-B0.8B35529.628615520.2 Ncm26 g
36-M0.8-5-5-B0.8B36530.428.8615521.5 Ncm28 g
38-M0.8-5-5-B0.8B3853230.4618524.3 Ncm33 g
40-M0.8-5-5-B0.8B40533.632618527.2 Ncm35 g
42-M0.8-5-6-B0.8B42535.233.6618630.4 Ncm37 g
45-M0.8-5-6-B0.8B45537.636618635.5 Ncm41 g
48-M0.8-5-6-B0.8B4854038.4618641 Ncm45 g
50-M0.8-5-6-B0.8B50541.640618645 Ncm48 g
52-M0.8-5-6-B0.8B52543.241.6618649 Ncm51 g
54-M0.8-5-6-B0.8B54544.843.2618653.4 Ncm55 g
55-M0.8-5-6-B0.8B55545.644618655.6 Ncm60 g
56-M0.8-5-6-B0.8B56546.444.8618657.9 Ncm65 g
60-M0.8-5-6-B0.8B60549.648618667.6 Ncm76 g
64-M0.8-5-6-B0.8B64552.851.2618678.2 Ncm84 g
65-M0.8-5-6-B0.8B65553.652618681 Ncm90 g
70-M0.8-5-6-B0.8B70557.656618695.8 Ncm107 g
72-M0.8-5-6-B0.8B72559.257.66206102 Ncm117 g
75-M0.8-5-6-B0.8B75561.6606206112 Ncm123 g
80-M0.8-5-6-B0.8B80565.6646206129 Ncm145 g
85-M0.8-5-6-B0.8B85569.6686206149 Ncm159 g
90-M0.8-5-6-B0.8B90573.6726206169 Ncm193 g
96-M0.8-5-8-B0.8B96578.476.86258196 Ncm218 g
100-M0.8-5-8-B0.8B100581.6806258215 Ncm254 g
114-M0.8-5-8-B0.8B114592.891.26258291 Ncm311 g
120-M0.8-5-8-B0.8B120597.6966258327 Ncm384 g
11-M1-15-5-B1B1115131110850.3 Nm12 g
12-M1-15-6-B1B1215141210960.35 Nm13 g
13-M1-15-6-B1B13151513101060.4 Nm16 g
14-M1-15-6-B1B14151614101160.45 Nm20 g
15-M1-15-6-B1B15151715101260.49 Nm24 g
16-M1-15-6-B1B16151816101360.53 Nm28 g
17-M1-15-6-B1B17151917101460.55 Nm33 g
18-M1-15-8-B1B18152018101580.62 Nm33 g
19-M1-15-8-B1B19152119101580.72 Nm37 g
20-M1-15-8-B1B20152220101680.81 Nm42 g
21-M1-15-8-B1B21152321101680.91 Nm46 g
22-M1-15-8-B1B22152422101681.01 Nm50 g
23-M1-15-8-B1B23152523101881.12 Nm58 g
24-M1-15-10-B1B241526241020101.25 Nm61 g
25-M1-15-10-B1B251527251020101.36 Nm66 g
26-M1-15-10-B1B261528261020101.5 Nm70 g
27-M1-15-10-B1B271529271020101.64 Nm75 g
28-M1-15-10-B1B281530281020101.77 Nm80 g
29-M1-15-10-B1B291531291020101.95 Nm85 g
30-M1-15-10-B1B301532301020102.09 Nm90 g
31-M1-15-10-B1B311533311025102.24 Nm110 g
32-M1-15-10-B1B321534321025102.43 Nm115 g
33-M1-15-10-B1B331535331025102.62 Nm120 g
34-M1-15-10-B1B341536341025102.79 Nm130 g
35-M1-15-10-B1B351537351025102.99 Nm135 g
36-M1-15-10-B1B361538361025103.18 Nm140 g
37-M1-15-10-B1B371539371025103.29 Nm145 g
38-M1-15-10-B1B381540381025103.64 Nm155 g
39-M1-15-10-B1B391541391025103.85 Nm160 g
40-M1-15-10-B1B401542401025104.09 Nm170 g
41-M1-15-10-B1B411543411030104.36 Nm190 g
42-M1-15-10-B1B421544421030104.59 Nm200 g
43-M1-15-10-B1B431545431030104.86 Nm210 g
44-M1-15-10-B1B441546441030105.11 Nm215 g
45-M1-15-10-B1B451547451030105.38 Nm225 g
46-M1-15-10-B1B461548461030105.66 Nm230 g
47-M1-15-10-B1B471549471030106.02 Nm240 g
48-M1-15-10-B1B481550481030106.42 Nm250 g
49-M1-15-10-B1B491551491030106.82 Nm260 g
50-M1-15-12-B1B501552501030127.25 Nm260 g
51-M1-15-12-B1B511553511040127.69 Nm310 g
52-M1-15-12-B1B521554521040128.18 Nm320 g
53-M1-15-12-B1B531555531040128.43 Nm330 g
54-M1-15-12-B1B541556541040128.93 Nm340 g
55-M1-15-12-B1B551557551040129.34 Nm350 g
56-M1-15-12-B1B561558561040129.72 Nm360 g
57-M1-15-12-B1B5715595710401210.1 Nm370 g
58-M1-15-12-B1B5815605810401210.5 Nm380 g
59-M1-15-12-B1B5915615910401211 Nm390 g
60-M1-15-12-B1B6015626010401211.5 Nm400 g
61-M1-15-12-B1B6115636110501212 Nm470 g
62-M1-15-12-B1B6215646210501212.7 Nm480 g
63-M1-15-12-B1B6315656310501213.3 Nm490 g
64-M1-15-12-B1B6415666410501214 Nm500 g
65-M1-15-12-B1B6515676510501214.6 Nm515 g
66-M1-15-12-B1B6615686610501215 Nm525 g
67-M1-15-12-B1B6715696710501215.5 Nm540 g
68-M1-15-12-B1B6815706810501215.9 Nm550 g
69-M1-15-12-B1B6915716910501216.3 Nm560 g
70-M1-15-12-B1B7015727010501216.7 Nm575 g
75-M1-15-12-B1B7515777510501218.4 Nm650 g
80-M1-15-12-B1B8015828010501220.3 Nm720 g
90-M1-15-12-B1B9015929010501224.5 Nm880 g
100-M1-15-12-B1B1001510210010601228.9 Nm1.12 kg
120-M1-15-12-B1B1201512212010601240 Nm1.53 kg
11-M1.5-17-6-B1.5B111719.516.5131260.99 Nm33 g
12-M1.5-17-8-B1.5B12172118131481.14 Nm40 g
13-M1.5-17-8-B1.5B131722.519.5131581.3 Nm50 g
14-M1.5-17-8-B1.5B14172421131781.46 Nm60 g
15-M1.5-17-8-B1.5B151725.522.5131881.58 Nm70 g
16-M1.5-17-8-B1.5B16172724131981.1 Nm80 g
17-M1.5-17-8-B1.5B171728.525.5132081.79 Nm90 g
18-M1.5-17-8-B1.5B18173027132081.99 Nm100 g
19-M1.5-17-8-B1.5B191731.528.5132082.31 Nm110 g
20-M1.5-17-8-B1.5B20173330132582.6 Nm120 g
21-M1.5-17-10-B1.5B211734.531.51325102.92 Nm130 g
22-M1.5-17-10-B1.5B221736331325103.25 Nm140 g
23-M1.5-17-10-B1.5B231737.534.51325103.61 Nm160 g
24-M1.5-17-10-B1.5B241739361325104.02 Nm170 g
25-M1.5-17-10-B1.5B251740.537.51325104.38 Nm180 g
26-M1.5-17-12-B1.5B261742391330124.83 Nm200 g
27-M1.5-17-12-B1.5B271743.540.51330125.28 Nm220 g
28-M1.5-17-12-B1.5B281745421330125.72 Nm230 g
29-M1.5-17-12-B1.5B291746.543.51330126.29 Nm240 g
30-M1.5-17-12-B1.5B301748451330126.74 Nm260 g
31-M1.5-17-12-B1.5B311749.546.51335127.23 Nm300 g
32-M1.5-17-12-B1.5B321751481335127.84 Nm310 g
33-M1.5-17-12-B1.5B331752.549.51335128.44 Nm330 g
34-M1.5-17-12-B1.5B341754511335129.01 Nm340 g
35-M1.5-17-12-B1.5B351755.552.51335129.66 Nm360 g
36-M1.5-17-12-B1.5B3617575413351210.3 Nm370 g
37-M1.5-17-12-B1.5B371758.555.513401210.6 Nm420 g
38-M1.5-17-12-B1.5B3817605713401211.7 Nm440 g
39-M1.5-17-12-B1.5B391761.558.513401212.4 Nm460 g
40-M1.5-17-12-B1.5B4017636013401213.2 Nm480 g
41-M1.5-17-12-B1.5B411764.561.513401214.1 Nm500 g
42-M1.5-17-12-B1.5B4217666313501214.8 Nm590 g
43-M1.5-17-12-B1.5B431767.564.513501215.7 Nm610 g
44-M1.5-17-12-B1.5B4417696613501216.5 Nm630 g
45-M1.5-17-12-B1.5B451770.567.513501217.3 Nm650 g
46-M1.5-17-14-B1.5B4617726913501418.3 Nm670 g
47-M1.5-17-14-B1.5B471773.570.513501419.4 Nm700 g
48-M1.5-17-14-B1.5B4817757213501420.7 Nm710 g
49-M1.5-17-14-B1.5B491776.573.513501422 Nm730 g
50-M1.5-17-14-B1.5B5017787513501423.4 Nm760 g
51-M1.5-17-14-B1.5B511779.576.513601424.8 Nm860 g
52-M1.5-17-14-B1.5B5217817813601426.4 Nm890 g
53-M1.5-17-14-B1.5B531782.579.513601427.2 Nm910 g
54-M1.5-17-14-B1.5B5417848113601428.8 Nm940 g
55-M1.5-17-14-B1.5B551785.582.513601430.1 Nm960 g
56-M1.5-17-16-B1.5B5617878413601631.4 Nm980 g
57-M1.5-17-16-B1.5B571788.585.513601632.7 Nm1 kg
58-M1.5-17-16-B1.5B5817908713601634 Nm1.03 kg
59-M1.5-17-16-B1.5B591791.588.513601635.5 Nm1.06 kg
60-M1.5-17-16-B1.5B6017939013601637 Nm1.09 kg
61-M1.5-17-16-B1.5B611794.591.513701638.6 Nm1.22 kg
62-M1.5-17-16-B1.5B6217969313701640.8 Nm1.25 kg
63-M1.5-17-16-B1.5B631797.594.513701642.9 Nm1.28 kg
64-M1.5-17-16-B1.5B6417999613701645 Nm1.31 kg
65-M1.5-17-16-B1.5B6517100.597.513701647.1 Nm1.34 kg
66-M1.5-17-16-B1.5B66171029913701648.5 Nm1.37 kg
67-M1.5-17-16-B1.5B6717103.5100.513701649.5 Nm1.4 kg
68-M1.5-17-16-B1.5B681710510213701651.4 Nm1.43 kg
69-M1.5-17-16-B1.5B6917106.5103.513701652.6 Nm1.46 kg
70-M1.5-17-16-B1.5B701710810513701653.7 Nm1.5 kg
72-M1.5-17-16-B1.5B721711110813801655.8 Nm1.66 kg
75-M1.5-17-16-B1.5B7517115.5112.513801659.3 Nm1.76 kg
80-M1.5-17-16-B1.5B801712312013801665.1 Nm1.94 kg
90-M1.5-17-16-B1.5B901713813513801684.8 Nm2.33 kg
100-M1.5-17-16-B1.5B1001715315013801692.2 Nm2.77 kg
120-M1.5-17-16-B1.5B12017183180138016100.8 Nm3.79 kg
12-M2-20-10-B2B122028241518102.8 Nm80 g
13-M2-20-10-B2B132030261520103.2 Nm100 g
14-M2-20-10-B2B142032281522103.6 Nm120 g
15-M2-20-10-B2B152034301524103.9 Nm140 g
16-M2-20-10-B2B162036321525104.2 Nm160 g
17-M2-20-10-B2B172038341525104.4 Nm180 g
18-M2-20-10-B2B182040361525104.9 Nm190 g
19-M2-20-10-B2B192042381525105.7 Nm210 g
20-M2-20-10-B2B202044401530106.4 Nm260 g
21-M2-20-12-B2B212046421530127.2 Nm270 g
22-M2-20-12-B2B222048441530128 Nm290 g
23-M2-20-12-B2B232050461530128.9 Nm310 g
24-M2-20-12-B2B242052481535129.9 Nm360 g
25-M2-20-12-B2B2520545015351210.8 Nm390 g
26-M2-20-12-B2B2620565215401211.9 Nm450 g
27-M2-20-12-B2B2720585415401213 Nm470 g
28-M2-20-12-B2B2820605615401214.1 Nm500 g
29-M2-20-14-B2B2920625815401415.5 Nm520 g
30-M2-20-14-B2B3020646015401416.6 Nm550 g
31-M2-20-14-B2B3120666215451417.8 Nm610 g
32-M2-20-14-B2B3220686415451419.3 Nm650 g
33-M2-20-14-B2B3320706615451420.8 Nm680 g
34-M2-20-14-B2B3420726815451422.2 Nm710 g
35-M2-20-14-B2B3520747015451423.8 Nm740 g
36-M2-20-14-B2B3620767215451425.3 Nm780 g
37-M2-20-14-B2B3720787415501426.1 Nm860 g
38-M2-20-14-B2B3820807615501428.9 Nm900 g
39-M2-20-14-B2B3920827815501430.6 Nm930 g
40-M2-20-14-B2B4020848015501432.5 Nm970 g
41-M2-20-16-B2B4120868215551634.6 Nm1.05 kg
42-M2-20-16-B2B4220888415551636.5 Nm1.09 kg
43-M2-20-16-B2B4320908615551638.6 Nm1.13 kg
44-M2-20-16-B2B4420928815601640.6 Nm1.23 kg
45-M2-20-16-B2B4520949015601642.7 Nm1.27 kg
46-M2-20-16-B2B4620969215601645 Nm1.31 kg
47-M2-20-16-B2B4720989415701647.8 Nm1.48 kg
48-M2-20-16-B2B48201009615701651 Nm1.53 kg
49-M2-20-16-B2B49201029815701654.2 Nm1.57 kg
50-M2-20-16-B2B502010410015701657.6 Nm1.62 kg
51-M2-20-16-B2B512010610215701661.1 Nm1.67 kg
52-M2-20-16-B2B522010810415701664.8 Nm1.72 kg
53-M2-20-16-B2B532011010615701668.5 Nm1.78 kg
54-M2-20-16-B2B542011210815701672.4 Nm1.83 kg
55-M2-20-16-B2B552011411015701676.3 Nm1.88 kg
56-M2-20-16-B2B562011611215701680.5 Nm1.94 kg
57-M2-20-16-B2B572011811415701684.7 Nm1.99 kg
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29-M4-40-20-B4B2940124116207520171 Nm3.83 kg
30-M4-40-20-B4B3040128120207520185 Nm4.06 kg
31-M4-40-20-B4B3140132124208020205 Nm4.39 kg
32-M4-40-20-B4B3240136128208020220 Nm4.64 kg
33-M4-40-20-B4B3340140132208020248 Nm4.9 kg
34-M4-40-20-B4B3440144136208020264 Nm5.16 kg
35-M4-40-20-B4B3540148140208020278 Nm5.43 kg
36-M4-40-25-B4B3640152144208025299 Nm5.63 kg
38-M4-40-25-B4B3840160152208025344 Nm6.14 kg
40-M4-40-25-B4B4040168160208025394 Nm6.74 kg
50-M4-40-25-B4B50402082002010025710 Nm10.66 kg
60-M4-40-25-B4B604024824020100251131 Nm14.92 kg
90-M4-40-30-B4B904036836020120301500 Nm32.76 kg
Spur gear online selector — Ground series · 40Cr (40)
Model
Code
Pitch pModule
m
Teeth
z
Bore D1
mm
DK
mm
Do
mm
D
mm
L
mm
L1
mm
L2
mm
T
mm
U
mm
Backlash
mm
1M-20-123.141120122220172051513.840.08~0.16
1M-25-123.141125122725202051513.840.08~0.16
1M-30-153.141130153230252051516.840.08~0.16
1M-35-153.141135153735302051517.350.08~0.16
1.5M-25-164.7121.5251640.537.53046262018.350.08~0.16
1.5M-32-224.7121.5322251483648282024.860.10~0.18
1.5M-40-224.7121.5402263603648282024.860.10~0.20
2M-25-166.2832251654503054262818.350.10~0.20
2M-25-226.2832252254503656282824.860.10~0.20
2M-28-306.2832283060565060322833.380.12~0.22
2M-32-166.2832321668643054262818.350.12~0.22
2M-32-226.2832322268643656282824.860.12~0.22
2M-32-326.2832323268645565372835.3100.12~0.22
2M-36-406.2832364076726265372843.3120.12~0.22
2M-40-326.2832403284805565372835.3100.12~0.22
2M-50-456.283250451041006865372848.8140.12~0.22
2.5M-22-227.8542.5222260553656282824.8160.12~0.22
2.5M-28-327.8542.5283275705565372835.3100.12~0.22
2.5M-36-407.8542.5364095906265372843.3120.12~0.22
3M-22-229.4253222272663656282824.860.12~0.22
3M-22-329.4253223272665565372835.3100.12~0.22
3M-25-409.4253254081756265372843.3120.12~0.22
3M-28-229.4253282290843656282824.860.12~0.22
3M-28-329.4253283290845565372835.3100.12~0.22
3M-32-409.42533240102966265372843.3120.12~0.22
3M-36-459.425336451141086865372848.8140.14~0.24
4M-20-3212.5664203288805575354035.3100.14~0.24
4M-20-3512.5664203588805575354038.3100.14~0.24
4M-22-4512.5664224596886875354048.8140.14~0.24
4M-25-3212.566425321081005575354035.3100.14~0.24
4M-25-3512.566425351081005575354038.3100.14~0.24
4M-25-5512.566425551081008080404059.3160.14~0.24
4M-28-4512.566428451201126875354048.8140.14~0.24
4M-32-5512.566432551361288080404059.3160.16~0.26
4M-40-7512.56644075168160110100604079.9200.16~0.26
5M-21-4515.708521451151056885355048.8140.16~0.26
5M-25-4515.708525451351256885355048.8140.16~0.26
5M-25-5515.708525551351258090405059.3160.16~0.26
6M-21-5518.856215513812680100406059.3160.16~0.26
6M-25-7518.8562575162150110120606079.9200.18~0.26

Static copy of the selector data for reference and printing; use the interactive selector above to filter, sort and request a quote. All dimensions in mm; full range and tolerances per the PDF catalogue.

Click a column header to sort. Source: Wolfer spur gear catalogue (19 pages); 4 misprints in the original catalogue corrected via gear geometry d = m·z, da = m·(z+2). Download PDF catalogue ↗

FAQ

Common questions about this series

Spur gear: what size range does the table cover?

The table on this page lists 601 standard sizes in 2 series (Milled series · C45 steel, Ground series · 40Cr): module 0.5–6, 10–127 teeth, bores from Ø2 to Ø75 mm. Sizes outside this range are made to your drawing.

Spur gear: what is it and when should I use it?

Ground spur gears (module 1–6, 40Cr, JIS Grade 2) and milled spur gears (module 0.5–4, C45 steel, DIN 3967 8d25). 20° pressure angle, 601 standard sizes with online filtering — custom sizes to your drawing. Choose the milled C45 series (DIN 3967 8d25) for general-purpose, low- to medium-speed drives where cost matters, and the ground 40Cr series (JIS Grade 2, 45–55 HRC) when you need higher accuracy, quieter running or higher loads. Both are 20° pressure-angle spur gears with no axial thrust, so bearings can be simple.

Spur gear: can I order a size that is not in the table, or just one piece?

Yes. Everything on this page is made to drawing, and the table is only the standard-size subset of the catalogue. Minimum order quantity is one piece — we routinely make single replacement parts for OEMs whose original supplier has discontinued the item. Send a DWG, STEP or PDF drawing (or a sample part): you get a formal quotation within 24 hours after the information is complete, and the first article ships within 30 days of drawing approval, with inspection records.

Spur gear: what do I need to send to get a quote?

Send the drawing or these values: module (or DP), number of teeth, pressure angle, helix angle and hand (for helical), face width, bore with tolerance and keyway, hub dimensions, material and heat treatment, required accuracy class (ISO 1328 / DIN / AGMA / JIS) and quantity. A STEP file plus a 2D drawing with critical tolerances is ideal; a photo of the old part with basic measurements is enough for a first quote.

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