Group A

For specific applications requiring large size, shaped mounted points. The standard shank size is 1/4″ x 1-1/2″.

group-a

 

Group B

For high speed, special applications; used for narrow space, inside corners and other hard-to-reach areas. The standard shank size is 1/8″ x 1-1/2″.

group-b

 

Group W

Straight dimensional for general applications. Wheels up to 1/4″ diameter use a 1/8″ x 1-1/2″ shank. Standard for all other applications is a 1/4″ x 1-1/2″ shank unless otherwise specified.

group-w

 

Shape Number
A Diameter
B Thickness
W141
3/32
5/32
W142
3/32
1/4
W143
1/8
1/8
W144
1/8
1/4
W145
1/8
3/8
W146
1/8
1/2
W147
5/32
1/32
W148
5/32
1/16
W149
5/32
1/4
W150
3/16
1/16
W151
3/16
1/8
W152
3/16
1/4
W153
3/16
3/8
W154
3/16
1/2
W155
13/64
1/4
W156
1/4
1/32
W157
1/4
1/16
W158
1/4
1/8
W159
1/4
3/16
W160
1/4
1/4
W161
1/4
5/16
W162
1/4
3/8
W163
1/4
1/2
W164
1/4
3/4
W165
5/16
1/16
W166
5/16
1/8
W167
5/16
1/4
W168
5/16
5/16
W169
5/16
3/8
W170
5/16
1/2
W171
5/16
3/4
W172
3/8
1/16
W173
3/8
1/8
W174
3/8
1/4
W175
3/8
3/8
W176
3/8
1/2
W177
3/8
3/4
W178
3/8
1
W179
3/8
1-1/4

 

Shape Number
A Diameter
B Thickness
W180
1/2
1/32
W181
1/2
1/16
W182
1/2
1/8
W183
1/2
1/4
W184
1/2
3/8
W185
1/2
1/2
W186
1/2
3/4
W187
1/2
1
W188
1/2
1-1/2
W189
1/2
2
W190
5/8
1/16
W191
5/8
1/8
W192
5/8
1/4
W193
5/8
3/8
W194
5/8
1/2
W195
5/8
3/4
W196
5/8
1
W197
5/8
2
W198
5/8
2-1/2
W199
3/4
1/16
W200
3/4
1/8
W201
3/4
1/4
W202
3/4
3/8
W203
3/4
1/2
W204
3/4
3/4
W205
3/4
1
W206
3/4
1-1/4
W207
3/4
1-1/2
W208
3/4
2
W209
3/4
2-1/2
W210
7/8
1/16
W211
7/8
1/8
W212
7/8
1/4
W213
7/8
3/8
W214
15/16
1/4

 

Shape Number
A Diameter
B Thickness
W215
1
1/8
W216
1
1/4
W217
1
3/8
W218
1
1/2
W219
1
3/4
W220
1
1
W221
1
1-1/2
W222
1
2
W223
1
2-1/2
*W224
1
3
W225
1-1/4
1/4
W226
1-1/4
3/8
W227
1-1/4
1/2
W228
1-1/4
3/4
W229
1-1/4
1
W230
1-1/4
1-1/4
W231
1-1/4
1-1/2
W232
1-1/4
2
*W233
1-1/4
2-1/2
*W234
1-1/4
3
W235
1-1/2
1/4
W236
1-1/2
1/2
W237
1-1/2
1
W238
1-1/2
1-1/2
*W239
1-1/2
2
*W240
1-1/2
2-1/2
*W241
1-1/2
3
Order By Dimensions
2
1/4
2
3/8
2
1/2
W242
2
1
W243
2
1-1/2
W244
2
2
W245
2
2-1/2
W246
2
3