Classical B Section V-Belts
281 sizes · 5 brands · 20–300" length range · 21/32" (17mm) top width
The 21/32" top width B section handles higher loads than the A section. The workhorse of industrial belt drives, widely used in 1–25 HP applications.
281Belt sizes
5Brands
21/32" (17mm)Top width
20–300"Length range
Part Number
Length (in)
Length (mm)
Top Width
Depth
System
Brands
B100
100"
2540 mm
17 mm
11 mm
classical
5
B101
101"
2565.4 mm
17 mm
11 mm
classical
5
B102
102"
2590.8 mm
17 mm
11 mm
classical
5
B103
103"
2616.2 mm
17 mm
11 mm
classical
5
B104
104"
2641.6 mm
17 mm
11 mm
classical
5
B105
105"
2667 mm
17 mm
11 mm
classical
5
B106
106"
2692.4 mm
17 mm
11 mm
classical
5
B107
107"
2717.8 mm
17 mm
11 mm
classical
5
B108
108"
2743.2 mm
17 mm
11 mm
classical
5
B109
109"
2768.6 mm
17 mm
11 mm
classical
5
B110
110"
2794 mm
17 mm
11 mm
classical
5
B111
111"
2819.4 mm
17 mm
11 mm
classical
5
B112
112"
2844.8 mm
17 mm
11 mm
classical
5
B113
113"
2870.2 mm
17 mm
11 mm
classical
5
B114
114"
2895.6 mm
17 mm
11 mm
classical
5
B115
115"
2921 mm
17 mm
11 mm
classical
5
B116
116"
2946.4 mm
17 mm
11 mm
classical
5
B117
117"
2971.8 mm
17 mm
11 mm
classical
5
B118
118"
2997.2 mm
17 mm
11 mm
classical
5
B119
119"
3022.6 mm
17 mm
11 mm
classical
5
B120
120"
3048 mm
17 mm
11 mm
classical
5
B121
121"
3073.4 mm
17 mm
11 mm
classical
5
B122
122"
3098.8 mm
17 mm
11 mm
classical
5
B123
123"
3124.2 mm
17 mm
11 mm
classical
5
B124
124"
3149.6 mm
17 mm
11 mm
classical
5
B125
125"
3175 mm
17 mm
11 mm
classical
5
B126
126"
3200.4 mm
17 mm
11 mm
classical
5
B127
127"
3225.8 mm
17 mm
11 mm
classical
5
B128
128"
3251.2 mm
17 mm
11 mm
classical
5
B129
129"
3276.6 mm
17 mm
11 mm
classical
5
B130
130"
3302 mm
17 mm
11 mm
classical
5
B131
131"
3327.4 mm
17 mm
11 mm
classical
5
B132
132"
3352.8 mm
17 mm
11 mm
classical
5
B133
133"
3378.2 mm
17 mm
11 mm
classical
5
B134
134"
3403.6 mm
17 mm
11 mm
classical
5
B135
135"
3429 mm
17 mm
11 mm
classical
5
B136
136"
3454.4 mm
17 mm
11 mm
classical
5
B137
137"
3479.8 mm
17 mm
11 mm
classical
5
B138
138"
3505.2 mm
17 mm
11 mm
classical
5
B139
139"
3530.6 mm
17 mm
11 mm
classical
5
B140
140"
3556 mm
17 mm
11 mm
classical
5
B141
141"
3581.4 mm
17 mm
11 mm
classical
5
B142
142"
3606.8 mm
17 mm
11 mm
classical
5
B143
143"
3632.2 mm
17 mm
11 mm
classical
5
B144
144"
3657.6 mm
17 mm
11 mm
classical
5
B145
145"
3683 mm
17 mm
11 mm
classical
5
B146
146"
3708.4 mm
17 mm
11 mm
classical
5
B147
147"
3733.8 mm
17 mm
11 mm
classical
5
B148
148"
3759.2 mm
17 mm
11 mm
classical
5
B149
149"
3784.6 mm
17 mm
11 mm
classical
5
B150
150"
3810 mm
17 mm
11 mm
classical
5
B151
151"
3835.4 mm
17 mm
11 mm
classical
5
B152
152"
3860.8 mm
17 mm
11 mm
classical
5
B153
153"
3886.2 mm
17 mm
11 mm
classical
5
B154
154"
3911.6 mm
17 mm
11 mm
classical
5
B155
155"
3937 mm
17 mm
11 mm
classical
5
B156
156"
3962.4 mm
17 mm
11 mm
classical
5
B157
157"
3987.8 mm
17 mm
11 mm
classical
5
B158
158"
4013.2 mm
17 mm
11 mm
classical
5
B159
159"
4038.6 mm
17 mm
11 mm
classical
5
B160
160"
4064 mm
17 mm
11 mm
classical
5
B161
161"
4089.4 mm
17 mm
11 mm
classical
5
B162
162"
4114.8 mm
17 mm
11 mm
classical
5
B163
163"
4140.2 mm
17 mm
11 mm
classical
5
B164
164"
4165.6 mm
17 mm
11 mm
classical
5
B165
165"
4191 mm
17 mm
11 mm
classical
5
B166
166"
4216.4 mm
17 mm
11 mm
classical
5
B167
167"
4241.8 mm
17 mm
11 mm
classical
5
B168
168"
4267.2 mm
17 mm
11 mm
classical
5
B169
169"
4292.6 mm
17 mm
11 mm
classical
5
B170
170"
4318 mm
17 mm
11 mm
classical
5
B171
171"
4343.4 mm
17 mm
11 mm
classical
5
B172
172"
4368.8 mm
17 mm
11 mm
classical
5
B173
173"
4394.2 mm
17 mm
11 mm
classical
5
B174
174"
4419.6 mm
17 mm
11 mm
classical
5
B175
175"
4445 mm
17 mm
11 mm
classical
5
B176
176"
4470.4 mm
17 mm
11 mm
classical
5
B177
177"
4495.8 mm
17 mm
11 mm
classical
5
B178
178"
4521.2 mm
17 mm
11 mm
classical
5
B179
179"
4546.6 mm
17 mm
11 mm
classical
5
B180
180"
4572 mm
17 mm
11 mm
classical
5
B181
181"
4597.4 mm
17 mm
11 mm
classical
5
B182
182"
4622.8 mm
17 mm
11 mm
classical
5
B183
183"
4648.2 mm
17 mm
11 mm
classical
5
B184
184"
4673.6 mm
17 mm
11 mm
classical
5
B185
185"
4699 mm
17 mm
11 mm
classical
5
B186
186"
4724.4 mm
17 mm
11 mm
classical
5
B187
187"
4749.8 mm
17 mm
11 mm
classical
5
B188
188"
4775.2 mm
17 mm
11 mm
classical
5
B189
189"
4800.6 mm
17 mm
11 mm
classical
5
B190
190"
4826 mm
17 mm
11 mm
classical
5
B191
191"
4851.4 mm
17 mm
11 mm
classical
5
B192
192"
4876.8 mm
17 mm
11 mm
classical
5
B193
193"
4902.2 mm
17 mm
11 mm
classical
5
B194
194"
4927.6 mm
17 mm
11 mm
classical
5
B195
195"
4953 mm
17 mm
11 mm
classical
5
B196
196"
4978.4 mm
17 mm
11 mm
classical
5
B197
197"
5003.8 mm
17 mm
11 mm
classical
5
B198
198"
5029.2 mm
17 mm
11 mm
classical
5
B199
199"
5054.6 mm
17 mm
11 mm
classical
5
B20
20"
508 mm
17 mm
11 mm
classical
5
B200
200"
5080 mm
17 mm
11 mm
classical
5
B201
201"
5105.4 mm
17 mm
11 mm
classical
5
B202
202"
5130.8 mm
17 mm
11 mm
classical
5
B203
203"
5156.2 mm
17 mm
11 mm
classical
5
B204
204"
5181.6 mm
17 mm
11 mm
classical
5
B205
205"
5207 mm
17 mm
11 mm
classical
5
B206
206"
5232.4 mm
17 mm
11 mm
classical
5
B207
207"
5257.8 mm
17 mm
11 mm
classical
5
B208
208"
5283.2 mm
17 mm
11 mm
classical
5
B209
209"
5308.6 mm
17 mm
11 mm
classical
5
B21
21"
533.4 mm
17 mm
11 mm
classical
5
B210
210"
5334 mm
17 mm
11 mm
classical
5
B211
211"
5359.4 mm
17 mm
11 mm
classical
5
B212
212"
5384.8 mm
17 mm
11 mm
classical
5
B213
213"
5410.2 mm
17 mm
11 mm
classical
5
B214
214"
5435.6 mm
17 mm
11 mm
classical
5
B215
215"
5461 mm
17 mm
11 mm
classical
5
B216
216"
5486.4 mm
17 mm
11 mm
classical
5
B217
217"
5511.8 mm
17 mm
11 mm
classical
5
B218
218"
5537.2 mm
17 mm
11 mm
classical
5
B219
219"
5562.6 mm
17 mm
11 mm
classical
5
B22
22"
558.8 mm
17 mm
11 mm
classical
5
B220
220"
5588 mm
17 mm
11 mm
classical
5
B221
221"
5613.4 mm
17 mm
11 mm
classical
5
B222
222"
5638.8 mm
17 mm
11 mm
classical
5
B223
223"
5664.2 mm
17 mm
11 mm
classical
5
B224
224"
5689.6 mm
17 mm
11 mm
classical
5
B225
225"
5715 mm
17 mm
11 mm
classical
5
B226
226"
5740.4 mm
17 mm
11 mm
classical
5
B227
227"
5765.8 mm
17 mm
11 mm
classical
5
B228
228"
5791.2 mm
17 mm
11 mm
classical
5
B229
229"
5816.6 mm
17 mm
11 mm
classical
5
B23
23"
584.2 mm
17 mm
11 mm
classical
5
B230
230"
5842 mm
17 mm
11 mm
classical
5
B231
231"
5867.4 mm
17 mm
11 mm
classical
5
B232
232"
5892.8 mm
17 mm
11 mm
classical
5
B233
233"
5918.2 mm
17 mm
11 mm
classical
5
B234
234"
5943.6 mm
17 mm
11 mm
classical
5
B235
235"
5969 mm
17 mm
11 mm
classical
5
B236
236"
5994.4 mm
17 mm
11 mm
classical
5
B237
237"
6019.8 mm
17 mm
11 mm
classical
5
B238
238"
6045.2 mm
17 mm
11 mm
classical
5
B239
239"
6070.6 mm
17 mm
11 mm
classical
5
B24
24"
609.6 mm
17 mm
11 mm
classical
5
B240
240"
6096 mm
17 mm
11 mm
classical
5
B241
241"
6121.4 mm
17 mm
11 mm
classical
5
B242
242"
6146.8 mm
17 mm
11 mm
classical
5
B243
243"
6172.2 mm
17 mm
11 mm
classical
5
B244
244"
6197.6 mm
17 mm
11 mm
classical
5
B245
245"
6223 mm
17 mm
11 mm
classical
5
B246
246"
6248.4 mm
17 mm
11 mm
classical
5
B247
247"
6273.8 mm
17 mm
11 mm
classical
5
B248
248"
6299.2 mm
17 mm
11 mm
classical
5
B249
249"
6324.6 mm
17 mm
11 mm
classical
5
B25
25"
635 mm
17 mm
11 mm
classical
5
B250
250"
6350 mm
17 mm
11 mm
classical
5
B251
251"
6375.4 mm
17 mm
11 mm
classical
5
B252
252"
6400.8 mm
17 mm
11 mm
classical
5
B253
253"
6426.2 mm
17 mm
11 mm
classical
5
B254
254"
6451.6 mm
17 mm
11 mm
classical
5
B255
255"
6477 mm
17 mm
11 mm
classical
5
B256
256"
6502.4 mm
17 mm
11 mm
classical
5
B257
257"
6527.8 mm
17 mm
11 mm
classical
5
B258
258"
6553.2 mm
17 mm
11 mm
classical
5
B259
259"
6578.6 mm
17 mm
11 mm
classical
5
B26
26"
660.4 mm
17 mm
11 mm
classical
5
B260
260"
6604 mm
17 mm
11 mm
classical
5
B261
261"
6629.4 mm
17 mm
11 mm
classical
5
B262
262"
6654.8 mm
17 mm
11 mm
classical
5
B263
263"
6680.2 mm
17 mm
11 mm
classical
5
B264
264"
6705.6 mm
17 mm
11 mm
classical
5
B265
265"
6731 mm
17 mm
11 mm
classical
5
B266
266"
6756.4 mm
17 mm
11 mm
classical
5
B267
267"
6781.8 mm
17 mm
11 mm
classical
5
B268
268"
6807.2 mm
17 mm
11 mm
classical
5
B269
269"
6832.6 mm
17 mm
11 mm
classical
5
B27
27"
685.8 mm
17 mm
11 mm
classical
5
B270
270"
6858 mm
17 mm
11 mm
classical
5
B271
271"
6883.4 mm
17 mm
11 mm
classical
5
B272
272"
6908.8 mm
17 mm
11 mm
classical
5
B273
273"
6934.2 mm
17 mm
11 mm
classical
5
B274
274"
6959.6 mm
17 mm
11 mm
classical
5
B275
275"
6985 mm
17 mm
11 mm
classical
5
B276
276"
7010.4 mm
17 mm
11 mm
classical
5
B277
277"
7035.8 mm
17 mm
11 mm
classical
5
B278
278"
7061.2 mm
17 mm
11 mm
classical
5
B279
279"
7086.6 mm
17 mm
11 mm
classical
5
B28
28"
711.2 mm
17 mm
11 mm
classical
5
B280
280"
7112 mm
17 mm
11 mm
classical
5
B281
281"
7137.4 mm
17 mm
11 mm
classical
5
B282
282"
7162.8 mm
17 mm
11 mm
classical
5
B283
283"
7188.2 mm
17 mm
11 mm
classical
5
B284
284"
7213.6 mm
17 mm
11 mm
classical
5
B285
285"
7239 mm
17 mm
11 mm
classical
5
B286
286"
7264.4 mm
17 mm
11 mm
classical
5
B287
287"
7289.8 mm
17 mm
11 mm
classical
5
B288
288"
7315.2 mm
17 mm
11 mm
classical
5
B289
289"
7340.6 mm
17 mm
11 mm
classical
5
B29
29"
736.6 mm
17 mm
11 mm
classical
5
B290
290"
7366 mm
17 mm
11 mm
classical
5
B291
291"
7391.4 mm
17 mm
11 mm
classical
5
B292
292"
7416.8 mm
17 mm
11 mm
classical
5
B293
293"
7442.2 mm
17 mm
11 mm
classical
5
B294
294"
7467.6 mm
17 mm
11 mm
classical
5
B295
295"
7493 mm
17 mm
11 mm
classical
5
B296
296"
7518.4 mm
17 mm
11 mm
classical
5
B297
297"
7543.8 mm
17 mm
11 mm
classical
5
B298
298"
7569.2 mm
17 mm
11 mm
classical
5
B299
299"
7594.6 mm
17 mm
11 mm
classical
5
B30
30"
762 mm
17 mm
11 mm
classical
5
B300
300"
7620 mm
17 mm
11 mm
classical
5
B31
31"
787.4 mm
17 mm
11 mm
classical
5
B32
32"
812.8 mm
17 mm
11 mm
classical
5
B33
33"
838.2 mm
17 mm
11 mm
classical
5
B34
34"
863.6 mm
17 mm
11 mm
classical
5
B35
35"
889 mm
17 mm
11 mm
classical
5
B36
36"
914.4 mm
17 mm
11 mm
classical
5
B37
37"
939.8 mm
17 mm
11 mm
classical
5
B38
38"
965.2 mm
17 mm
11 mm
classical
5
B39
39"
990.6 mm
17 mm
11 mm
classical
5
B40
40"
1016 mm
17 mm
11 mm
classical
5
B41
41"
1041.4 mm
17 mm
11 mm
classical
5
B42
42"
1066.8 mm
17 mm
11 mm
classical
5
B43
43"
1092.2 mm
17 mm
11 mm
classical
5
B44
44"
1117.6 mm
17 mm
11 mm
classical
5
B45
45"
1143 mm
17 mm
11 mm
classical
5
B46
46"
1168.4 mm
17 mm
11 mm
classical
5
B47
47"
1193.8 mm
17 mm
11 mm
classical
5
B48
48"
1219.2 mm
17 mm
11 mm
classical
5
B49
49"
1244.6 mm
17 mm
11 mm
classical
5
B50
50"
1270 mm
17 mm
11 mm
classical
5
B51
51"
1295.4 mm
17 mm
11 mm
classical
5
B52
52"
1320.8 mm
17 mm
11 mm
classical
5
B53
53"
1346.2 mm
17 mm
11 mm
classical
5
B54
54"
1371.6 mm
17 mm
11 mm
classical
5
B55
55"
1397 mm
17 mm
11 mm
classical
5
B56
56"
1422.4 mm
17 mm
11 mm
classical
5
B57
57"
1447.8 mm
17 mm
11 mm
classical
5
B58
58"
1473.2 mm
17 mm
11 mm
classical
5
B59
59"
1498.6 mm
17 mm
11 mm
classical
5
B60
60"
1524 mm
17 mm
11 mm
classical
5
B61
61"
1549.4 mm
17 mm
11 mm
classical
5
B62
62"
1574.8 mm
17 mm
11 mm
classical
5
B63
63"
1600.2 mm
17 mm
11 mm
classical
5
B64
64"
1625.6 mm
17 mm
11 mm
classical
5
B65
65"
1651 mm
17 mm
11 mm
classical
5
B66
66"
1676.4 mm
17 mm
11 mm
classical
5
B67
67"
1701.8 mm
17 mm
11 mm
classical
5
B68
68"
1727.2 mm
17 mm
11 mm
classical
5
B69
69"
1752.6 mm
17 mm
11 mm
classical
5
B70
70"
1778 mm
17 mm
11 mm
classical
5
B71
71"
1803.4 mm
17 mm
11 mm
classical
5
B72
72"
1828.8 mm
17 mm
11 mm
classical
5
B73
73"
1854.2 mm
17 mm
11 mm
classical
5
B74
74"
1879.6 mm
17 mm
11 mm
classical
5
B75
75"
1905 mm
17 mm
11 mm
classical
5
B76
76"
1930.4 mm
17 mm
11 mm
classical
5
B77
77"
1955.8 mm
17 mm
11 mm
classical
5
B78
78"
1981.2 mm
17 mm
11 mm
classical
5
B79
79"
2006.6 mm
17 mm
11 mm
classical
5
B80
80"
2032 mm
17 mm
11 mm
classical
5
B81
81"
2057.4 mm
17 mm
11 mm
classical
5
B82
82"
2082.8 mm
17 mm
11 mm
classical
5
B83
83"
2108.2 mm
17 mm
11 mm
classical
5
B84
84"
2133.6 mm
17 mm
11 mm
classical
5
B85
85"
2159 mm
17 mm
11 mm
classical
5
B86
86"
2184.4 mm
17 mm
11 mm
classical
5
B87
87"
2209.8 mm
17 mm
11 mm
classical
5
B88
88"
2235.2 mm
17 mm
11 mm
classical
5
B89
89"
2260.6 mm
17 mm
11 mm
classical
5
B90
90"
2286 mm
17 mm
11 mm
classical
5
B91
91"
2311.4 mm
17 mm
11 mm
classical
5
B92
92"
2336.8 mm
17 mm
11 mm
classical
5
B93
93"
2362.2 mm
17 mm
11 mm
classical
5
B94
94"
2387.6 mm
17 mm
11 mm
classical
5
B95
95"
2413 mm
17 mm
11 mm
classical
5
B96
96"
2438.4 mm
17 mm
11 mm
classical
5
B97
97"
2463.8 mm
17 mm
11 mm
classical
5
B98
98"
2489.2 mm
17 mm
11 mm
classical
5
B99
99"
2514.6 mm
17 mm
11 mm
classical
5
Common Applications
Machine Types
- Industrial motors (1-25 HP)
- Conveyors
- Machine tools
- Air compressors
- Agricultural equipment
- Blowers
- Woodworking machines
- Printing presses